HTE Labs - AN106 Physical properties of miscelaneous chemicals and elements

	AN106 Physical properties of miscelaneous chemicals and elements
HTE Labs

Materials and Chemical Elements idx Symbol Name Number Period Group Chem_series CAS_number Mass MassUnit Element_category Group_period_block Std_atomic_weight Electron_configuration Electrons per shell Appearance Phase Rho Rho_Tmelt Tmelt Tboil Tsub Triple_point Critical_point Specific_heat_capacity Heat_of_fusion Heat_of_vaporization Kt RhoEl Eg_300K Oxidation_states Electronegativity Ionization_energies Covalent_radius R_Van_der_Waals Crystal_structure Magnetic_ordering Vsound Thermal_expansion Atomic_radius Eyoung Shear_modulus Bulk_modulus Mohs_hardness Poisson_ratio Vickers_hardness Brinell_hardness Electron_affinity 1 Ac Actinium 89 7 Actinoid 7440-34-8 227.0278 g/m actinide n/a, 7, f (227) g·mol−1 [Rn] 6d1 7s2 2, 8, 18, 32, 18, 9, 2 solid 10 g/cc (circa) 1323 K, 1050 °C, 1922 °F 3471 K, 3198 °C, 5788 °F (25 °C) 27.2 J/molK 14 kJ/mol 400 kJ/mol (300 K) 12 W/mK 3 (neutral oxide) 1.1 1st: 499 kJ/mol 215 pm face-centered cubic no data 2 Ag Silver 47 5 11 Transition metal 7440-22-4 107.8682(2) g/m transition metals 107.8682(2) g·mol−1 [Kr] 4d10 5s1 2, 8, 18, 18, 1 silver, lustrous white metal solid 10.49 g/cc 9.320 g/cc 1234.93 K (961.78 °C, 1763.2 °F) 2435 K (2162 °C, 3924 °F) (25 °C) 25.350 J/molK 11.28 kJ/mol 250.58 kJ/mol (300 K) 429 W/mK (20 °C) 15.87 n Ωm 1, 2, 3 (amphoteric oxide) 1.93 1st: 731.0 kJ/mol 145±5 pm 172 pm face-centered cubic diamagnetic (r.t.) 2680 m·s−1 (25 °C) 18.9 µm/mK 144 pm 83 GPa 30 GPa 100 GPa 2.5 0.37 251 MPa 24.5 MPa 3 Al Aluminium 13 3 13 Poor metal 7429-90-5 26.9815386(8) g/m poor metal 13, 3, p 26.9815386(13) g·mol−1 [Ne] 3s2 3p1 2, 8, 3 solid 2.70 g/cc 2.375 g/cc 933.47 K, 660.32 °C, 1220.58 °F 2792 K, 2519 °C, 4566 °F (25 °C) 24.200 J/molK 10.71 kJ/mol 294.0 kJ/mol (300 K) 237 W/mK (20 °C) 28.2 nΩm 3, 2, 1 (amphoteric oxide) 1.61 1st: 577.5 kJ/mol 121±4 pm face-centered cubic paramagnetic (r.t.) (rolled) 5,000 m·s−1 (25 °C) 23.1 µm/mK 143 pm 70 GPa 26 GPa 76 GPa 2.75 0.35 167 MPa 245 MPa 4 Am Americium 95 7 Actinoid 7440-35-9 243.0614 g/m actinide n/a, 7, f (243) g·mol−1 [Rn] 5f7 7s2 2, 8, 18, 32, 25, 8, 2 solid 12 g/cc 1449 K, 1176 °C, 2149 °F 2880 K, 2607 °C, 4725 °F (25 °C) 62.7 J/molK 14.39 kJ/mol (300 K) 10 W/mK 6, 5, 4, 3, 2 (amphoteric oxide) 1.3 1st: 578 kJ/mol 180±6 pm hexagonal no data 173 pm 5 Ar Argon 18 3 18 Noble gas 7440–37–1 39.948(1) g/m noble gases 18, 3, p 39.948(1) g·mol−1 [Ne] 3s2 3p6 2, 8, 8 gas 1.784 g/L 83.80 K, −189.35 °C, −308.83 °F 87.30 K, −185.85 °C, −302.53 °F 83.8058 K (-189°C), 69 kPa 150.87 K, 4.898 MPa (25 °C) 20.786 J/molK 1.18 kJ/mol 6.43 kJ/mol (300 K) 17.72x10-3 W/mK no data 1st: 1520.6 kJ/mol 106±10 pm 188 pm face-centered cubic diamagnetic (gas, 27 °C) 323 m/s 6 As Arsenic 33 4 15 Metalloid 7440-38-2 74.92160(2) g/m metalloid 15, 4, p 74.92160(2) g·mol−1 [Ar] 4s2 3d10 4p3 2, 8, 18, 5 solid 5.727 g/cc 5.22 g/cc 887 K, 615 °C, 1139 °F 1090 K (817°C), 3628 kPa 1673 K, ? MPa (25 °C) 24.64 J/molK (grey) 24.44 kJ/mol ? 34.76 kJ/mol (300 K) 50.2 W/mK (20 °C) 333 nΩm 5, 3, 2, 1, -3 (mildly acidic oxide) 2.18 1st: 947.0 kJ/mol 119±4 pm 185 pm rhombohedral diamagnetic 119 pm 8 GPa 22 GPa 3.5 1440 MPa 7 At Astatine 85 6 17 Halogen 7440-68-8 209.9871 g/m halogens 17, 6, p (210) g·mol−1 [Xe] 4f14 5d10 6s2 6p5 2, 8, 18, 32, 18, 7 solid 575 K, 302 °C, 576 °F 610 K, 337 °C, 639 °F 40 kJ/mol (300 K) 1.7 W/mK ±1, 3, 5, 7 2.2 1st: 890±40 kJ/mol 150 pm no data 8 Au Gold 79 6 11 Transition metal 7440-57-5 196.966569(4) g/m transition metals 196.966569(4) g·mol−1 [Xe] 4f14 5d10 6s1 2, 8, 18, 32, 18, 1 metallic yellow solid 19.30 g/cc 17.31 g/cc 1337.33 K (1064.18 °C, 1947.52 °F) 3129 K (2856 °C, 5173 °F) (25 °C) 25.418 J/molK 12.55 kJ/mol 324 kJ/mol (300 K) 318 W/mK (20 °C) 22.14 n Ωm -1, 1, 2, 3, 4, 5 (amphoteric oxide) 2.54 1st: 890.1 kJ/mol 136±6 pm 166 pm face centered cubic diamagnetic (r.t.) (hard-drawn) 2030 m·s−1 (25 °C) 14.2 µm/mK 144 pm 78 GPa 27 GPa 180 GPa 2.5 0.44 216 MPa ? 2450 MPa 9 B Boron 5 2 13 Metalloid 7440-42-8 10.811(7) g/m metalloid 13, 2, p 10.811(7) g·mol−1 [He] 2s2 2p1 2, 3 solid 2.08 g/cc 2349 K, 2076 °C, 3769 °F 4200 K, 3927 °C, 7101 °F (25 °C) 11.087 J/molK 50.2 kJ/mol 480 kJ/mol (300 K) 27.4 W/mK (20 °C) ~106Ωm 4, 3, 2, 1 (mildly acidic oxide) 2.04 1st: 800.6 kJ/mol 84±3 pm diamagnetic (20 °C) 16,200 m/s (25 °C) (ß form) 5–7 µm/mK 90 pm ~9.5 10 Ba Barium 56 6 2 Alkaline earth metal 7440-39-3 137.327(7) g/m alkaline earth metals 2, 6, s 137.33 g·mol−1 [Xe] 6s2 2, 8, 18, 18, 8, 2 solid 3.51 g/cc 3.338 g/cc 1000 K, 727 °C, 1341 °F 2170 K, 1897 °C, 3447 °F (25 °C) 28.07 J/molK 7.12 kJ/mol 140.3 kJ/mol (300 K) 18.4 W/mK (20 °C) 332 nΩm 2 (strongly basic oxide) 0.89 1st: 502.9 kJ/mol 215±11 pm body-centered cubic paramagnetic (20 °C) 1620 m/s (25 °C) 20.6 µm/mK 222 pm 13 GPa 4.9 GPa 9.6 GPa 1.25 11 Be Beryllium 4 2 2 Alkaline earth metal 7440-41-7 9.012182(3) g/m alkaline earth metal 2, 2, s 9.012182(3) g·mol−1 1s2 2s2 2, 2 solid 1.85 g/cc 1.690 g/cc 1560 K, 1287 °C, 2349 °F 2742 K, 2469 °C, 4476 °F (25 °C) 16.443 J/molK 7.895 kJ/mol 297 kJ/mol (300 K) 200 W/mK 3, 2, 1 (amphoteric oxide) 1.57 1st: 899.5 kJ/mol 96±3 pm hexagonal diamagnetic (r.t.) 12870 m·s−1 (25 °C) 11.3 µm/mK 112 pm 287 GPa 132 GPa 130 GPa 5.5 0.032 1670 MPa 600 MPa 12 Bh Bohrium 107 7 7 Transition metal 54037-14-8 273 g/m transition metals [270] g·mol−1 [Rn] 5f14 6d5 7s2 2, 8, 18, 32, 32, 13, 2 presumably a solid 7 unknown 13 Bi Bismuth 83 6 15 Poor metal 7440-69-9 208.98040(1) g/m poor metals 15, 6, p 208.98040(1) g·mol−1 [Xe] 4f14 5d10 6s2 6p3 2, 8, 18, 32, 18, 5 solid 9.78 g/cc 10.05 g/cc 544.7 K, 271.5 °C, 520.7 °F 1837 K, 1564 °C, 2847 °F (25 °C) 25.52 J/molK 11.30 kJ/mol 151 kJ/mol (300 K) 7.97 W/mK (20 °C) 1.29x10^-6Ωm 3, 5 (mildly acidic oxide) 2.02 1st: 703 kJ/mol 148±4 pm rhombohedral diamagnetic (20 °C) 1790 m/s (25 °C) 13.4 µm/mK 156 pm 32 GPa 12 GPa 31 GPa 2.25 0.33 94.2 MPa 14 Bk Berkelium 97 7 Actinoid 7440-40-6 247.0703 g/m actinide n/a, 7, f (247) g·mol−1 [Rn] 5f9 7s2 2, 8, 18, 32, 27, 8, 2 solid (beta) 13.25 g/cc (beta) 1259 K, 986 °C, 1807 °F (300 K) 10 W/mK 3, 4 1.3 1st: 601 kJ/mol hexagonal close-packed no data 170 pm 15 Br Bromine 35 4 17 Halogen 7726-95-6 79.904(1) g/m halogens 79.904(1) g·mol−1 [Ar] 4s2 3d10 4p5 2, 8, 18, 7 gas/liquid: red-brown solid: metallic luster liquid (Br2, liquid) 3.1028 g/cc 265.8 K (-7.2 °C, 19 °F) 332.0 K (58.8 °C, 137.8 °F) 588 K, 10.34 MPa (25 °C) (Br2) 75.69 J/molK (Br2) 10.571 kJ/mol (Br2) 29.96 kJ/mol (300 K) 0.122 W/mK (20 °C) 7.8×1010 Ωm 7, 5, 4, 3, 1, -1 (strongly acidic oxide) 2.96 1st: 1139.9 kJ/mol 120±3 pm 185 pm orthorhombic diamagnetic (20 °C) 206 m/s 120 pm 16 C Carbon 6 2 14 Nonmetal 7440-44-0 12.0107(8) g/m nonmetal 14, 2, p 12.0107 g·mol−1 1s2 2s2 2p2 2,4 Solid diamond: 3.515 g/cc 3915 K, 3642 °C, 6588 °F 4600 K (4327°C), 10800 kPa (25 °C) 8.517(graphite), 6.155(diamond) J/molK 117 (graphite) kJ/mol (300 K) 119-165 (graphite) 900-2300 (diamond) W/mK 4, 3 , 2, 1 , 0, -1, -2, -3, -4 2.55 1st: 1086.5 kJ/mol 77(sp³), 73(sp²), 69(sp) pm 170 pm diamagnetic (20 °C) 18350 (diamond) m/s (25 °C) 0.8 (diamond) µm/mK 1050 (diamond) GPa 478 (diamond) GPa 442 (diamond) GPa 1-2 (Graphite) 10 (Diamond) 0.1 (diamond) 17 Ca Calcium 20 4 2 Alkaline earth metal 7440-70-2 40.078(4) g/m alkaline earth metal 2, 4, s 40.078(4) g·mol−1 [Ar] 4s2 2, 8, 8, 2 solid 1.55 g/cc 1.378 g/cc 1115 K, 842 °C, 1548 °F 1757 K, 1484 °C, 2703 °F (25 °C) 25.929 J/molK 8.54 kJ/mol 154.7 kJ/mol (300 K) 201 W/mK (20 °C) 33.6 nΩm 2 (strongly basic oxide) 1 1st: 589.8 kJ/mol 176±10 pm face-centered cubic diamagnetic (20 °C) 3810 m/s (25 °C) 22.3 µm/mK 197 pm 20 GPa 7.4 GPa 17 GPa 1.75 0.31 167 MPa 18 Cd Cadmium 48 5 12 Transition metal 7440-43-9 112.411(8) g/m transition metals 112.411(8) g·mol−1 [Kr] 5s2 4d10 2, 8, 18, 18, 2 silvery gray metallic solid 8.65 g/cc 7.996 g/cc 594.22 K (321.07 °C, 609.93 °F) 1040 K (767 °C, 1413 °F) (25 °C) 26.020 J/molK 6.21 kJ/mol 99.87 kJ/mol (300 K) 96.6 W/mK (22 °C) 72.7 nΩm 2, 1 (mildly basic oxide) 1.69 1st: 867.8 kJ/mol 144±9 pm 158 pm hexagonal diamagnetic (20 °C) 2310 m/s (25 °C) 30.8 µm/mK 151 pm 50 GPa 19 GPa 42 GPa 2 0.3 203 MPa 19 Ce Cerium 58 6 Lanthanoid 7440-45-1 140.116(1) g/m lanthanides 140.116(1) g·mol−1 [Xe] 4f1 5d1 6s2 2, 8, 18, 19, 9, 2 silvery white solid 6.770 g/cc 6.55 g/cc 1068 K (795 °C, 1463 °F) 3716 K (3443 °C, 6229 °F) (25 °C) 26.94 J/molK 5.46 kJ/mol 398 kJ/mol (300 K) 11.3 W/mK (r.t.) (β, poly) 828 nΩm 4, 3, 2 (mildly basic oxide) 1.12 1st: 534.4 kJ/mol 204±9 pm face-centered cubic paramagnetic (20 °C) 2100 m/s (r.t.) (γ, poly) 6.3 µm/(m·K) 181.8 pm (γ form) 33.6 GPa (γ form) 13.5 GPa (γ form) 21.5 GPa 2.5 (γ form) 0.24 270 MPa 412 MPa 20 Cf Californium 98 7 Actinoid 7440-71-3 251.0796 g/m actinides (251) g·mol−1 [Rn] 5f10 7s2 2, 8, 18, 32, 28, 8, 2 silvery solid 15.1 g/cc 1173 K (900 °C, 1652 °F) 1743 K (1470 °C, 2678 °F) 2, 3, 4 1.3 1st: 608 kJ/mol 21 Cl Chlorine 17 3 17 Halogen 7782-50-5 35.453(2) g/m Halogen 17, 3, p 35.453(2) g·mol−1 [Ne] 3s2 3p5 2, 8, 7 gas 3.2 g/L 171.6 K, -101.5 °C, -150.7 °F 239.11 K, -34.4 °C, -29.27 °F 416.9 K, 7.991 MPa (25 °C) (Cl2) 33.949 J/molK (Cl2) 6.406 kJ/mol (Cl2) 20.41 kJ/mol (300 K) 8.9x10-3 W/mK (20 °C) > 10 Ωm 7, 6, 5, 4, 3, 2, 1, -1 (strongly acidic oxide) 3.16 1st: 1251.2 kJ/mol 102±4 pm 175 pm orthorhombic diamagnetic (gas, 0 °C) 206 m/s 22 Cm Curium 96 7 Actinoid 7440-51-9 247.0704 g/m actinides (247) g·mol−1 [Rn] 5f7 6d1 7s2 2, 8, 18, 32, 25, 9, 2 silvery solid 13.51 g/cc 1613 K (1340 °C, 2444 °F) 3383 K (3110 °C, 5630 °F) ? 15 kJ/mol 4, 3 (amphoteric oxide) 1.3 1st: 581 kJ/mol 169±3 pm hexagonal close-packed no data 174 pm 23 Co Cobalt 27 4 9 Transition metal 7440-48-4 58.933195(5) g/m transition metal 9, 4, d 58.933195(5) g·mol−1 [Ar] 4s2 3d7 2, 8, 15, 2 metallic gray 8.90 g/cc 7.75 g/cc 1768 K, 1495 °C, 2723 °F 3200 K, 2927 °C, 5301 °F (25 °C) 24.81 J/molK 16.06 kJ/mol 377 kJ/mol (300 K) 100 W/mK (20 °C) 62.4 nΩm 5, 4 , 3, 2, 1 , -1 (amphoteric oxide) 1.88 1st: 760.4 kJ/mol 126±3 (low spin), 150±7 (high spin) pm hexagonal ferromagnetic (20 °C) 4720 m/s (25 °C) 13.0 µm/mK 125 pm 209 GPa 75 GPa 180 GPa 5 0.31 1043 MPa 700 MPa 24 Cr Chromium 24 4 6 Transition metal 7440-47-3 51.9961(6) g/m transition metal 6, 4, d 51.9961(6) g·mol−1 [Ar] 3d5 4s1 2, 8, 13, 1 solid 7.19 g/cc 6.3 g/cc 2180 K, 1907 °C, 3465 °F 2944 K, 2671 °C, 4840 °F (25 °C) 23.35 J/molK 21.0 kJ/mol 339.5 kJ/mol (300 K) 93.9 W/mK (20 °C) 125 nΩm 6, 5, 4, 3, 2, 1, -1, -2 (strongly acidic oxide) 1.66 1st: 652.9 kJ/mol 139±5 pm body-centered cubic AFM (rather: SDW) (20 °C) 5940 m/s (25 °C) 4.9 µm/mK 128 pm 279 GPa 115 GPa 160 GPa 8.5 0.21 1060 MPa 1120 MPa 25 Cs Caesium 55 6 1 Alkali metal 7440-46-2 132.9054519(2) g/m alkali metals 132.9054519(2) g·mol−1 [Xe] 6s1 2, 8, 18, 18, 8, 1 silvery gold solid 1.93 g/cc 1.843 g/cc 301.59 K (28.44 °C, 83.19 °F) 944 K (671 °C, 1240 °F) 1938 K, 9.4 MPa (25 °C) 32.210 J/molK 2.09 kJ/mol 63.9 kJ/mol (300 K) 35.9 W/mK (20 °C) 205 n Ωm 1 (strongly basic oxide) 0.79 1st: 375.7 kJ/mol 244±11 pm body centered cubic paramagnetic (25 °C) 97 µm/mK 265 pm 1.7 GPa 1.6 GPa 0.2 0.14 MPa 26 Cu Copper 29 4 11 Transition metal 7440-50-8 63.546(3) g/m transition metal 11, 4, d 63.546(3) g·mol−1 [Ar] 3d10 4s1 2, 8, 18, 1 solid 8.94 g/cc 8.02 g/cc 1357.77 K, 1084.62 °C, 1984.32 °F 2835 K, 2562 °C, 4643 °F (25 °C) 24.440 J/molK 13.26 kJ/mol 300.4 kJ/mol (300 K) 401 W/mK (20 °C) 16.78 nΩm +1, +2, +3, +4 (mildly basic oxide) 1.9 1st: 745.5 kJ/mol 132±4 pm 140 pm face-centered cubic diamagnetic (r.t.) (annealed) 3810 m·s−1 (25 °C) 16.5 µm/mK 128 pm 110–128 GPa 48 GPa 140 GPa 3 0.34 369 MPa 874 MPa 27 Db Dubnium 105 7 5 Transition metal 53850-35-4 268 g/m transition metals [268] g·mol−1 [Rn] 5f14 6d3 7s2 2, 8, 18, 32, 32, 11, 2 unknown, probably silvery white or metallic gray presumably a solid unknown g/cc 5 unknown pm unknown unknown pm 28 Ds Darmstadtium 110 7 10 Transition metal 54083-77-1 278 g/m transition metals [281] g·mol−1 [Rn] 5f14 6d9 7s1 2, 8, 18, 32, 32, 17, 1 unknown, probably silvery white or metallic gray presumably a solid 29 Dy Dysprosium 66 6 Lanthanoid 7429-91-6 162.500(1) g/m lanthanides 162.500(1) g·mol−1 [Xe] 4f10 6s2 2, 8, 18, 28, 8, 2 silvery white solid 8.540 g/cc 8.37 g/cc 1680 K (1407 °C, 2565 °F) 2840 K (2562 °C, 4653 °F) (25 °C) 27.7 J/molK 11.06 kJ/mol 280 kJ/mol (300 K) 10.7 W/mK (r.t.) (α, poly) 926 nΩm 3, 2 (weakly basic oxide) 1.22 1st: 573.0 kJ/mol 192±7 pm hexagonal paramagnetic at 300 K (20 °C) 2710 m/s (r.t.) (α, poly) 9.9 µm/(m·K) 178 pm (α form) 61.4 GPa (α form) 24.7 GPa (α form) 40.5 GPa (α form) 0.247 540 MPa 500 MPa 30 Er Erbium 68 6 Lanthanoid 7440-52-0 167.259(3) g/m lanthanides 167.259(3) g·mol−1 [Xe] 4f12 6s2 2, 8, 18, 30, 8, 2 silvery white solid 9.066 g/cc 8.86 g/cc 1802 K (1529 °C, 2784 °F) 3141 K (2868 °C, 5194 °F) (25 °C) 28.12 J/molK 19.90 kJ/mol 280 kJ/mol (300 K) 14.5 W/mK (r.t.) (poly) 0.860 µΩm 3 (basic oxide) 1.24 1st: 589.3 kJ/mol 189±6 pm hexagonal paramagnetic at 300 K (20 °C) 2830 m/s (r.t.) (poly) 12.2 µm/(m·K) 176 pm 69.9 GPa 28.3 GPa 44.4 GPa 0.237 589 MPa 814 MPa 31 Es Einsteinium 99 7 Actinoid 7429-92-7 252.0829 g/m actinides (252) g·mol−1 [Rn] 5f11 7s2 2, 8, 18, 32, 29, 8, 2 silver-coloured solid 8.84 g/cc 1133 K (860 °C, 1580 °F) 2, 3, 4 1.3 1st: 619 kJ/mol no data 32 Eu Europium 63 6 Lanthanoid 7440-53-1 151.964(1) g/m lanthanides 151.964(1) g·mol−1 [Xe] 4f7 6s2 2, 8, 18, 25, 8, 2 silvery white solid 5.264 g/cc 5.13 g/cc 1099 K (826 °C, 1519 °F) 1802 K (1529 °C, 2784 °F) (25 °C) 27.66 J/molK 9.21 kJ/mol 176 kJ/mol (300 K) est. 13.9 W/mK (r.t.) (poly) 0.900 µΩm 3, 2 (mildly basic oxide) ? 1.2 1st: 547.1 kJ/mol 198±6 pm simple cubic (body centered) paramagnetic (r.t.) (poly) 35.0 µm/(m·K) 180 pm 18.2 GPa 7.9 GPa 8.3 GPa 0.152 167 MPa 33 F Fluorine 9 2 17 Halogen 7782-41-4 18.9984032(5) g/m halogen 17, 2, p 18.9984032(5) g·mol−1 1s2 2s2 2p5 2, 7 gas 1.7 g/L 53.53 K, −219.62 °C, −363.32 °F 85.03 K, −188.12 °C, −306.62 °F 144.13 K, 5.172 MPa (25 °C) (F2) 31.304 J/molK (F2) 0.510 kJ/mol (F2) 6.62 kJ/mol (300 K) 27.7 m W/mK −1 (Weaklyacidic oxide) 3.98 1st: 1681.0 kJ/mol 57±3 pm (see covalent radius of fluorine) 147 pm cubic nonmagnetic 34 Fe Iron 26 4 8 Transition metal 7439-89-6 55.845(2) g/m transition metal 8, 4, d 55.845(2) g·mol−1 [Ar] 3d6 4s2 2, 8, 14, 2 solid 7.874 g/cc 6.98 g/cc 1811 K, 1538 °C, 2800 °F 3134 K, 2862 °C, 5182 °F (25 °C) 25.10 J/molK 13.81 kJ/mol 340 kJ/mol (300 K) 80.4 W/mK (20 °C) 96.1 nΩm 1.83 1st: 762.5 kJ/mol 132±3 (low spin), 152±6 (high spin) pm ferromagnetic (r.t.) (electrolytic) 5120 m·s−1 (25 °C) 11.8 µm/mK 126 pm 211 GPa 82 GPa 170 GPa 4 0.29 608 MPa 490 MPa 35 Fm Fermium 100 7 Actinoid 7440-72-4 257.0951 g/m actinides (257) g·mol−1 [Rn] 5f12 7s2 2, 8, 18, 32, 30, 8, 2 unknown, probably silvery white or metallic gray solid 1800 K (1527 °C, 2781 °F) 2, 3 1.3 1st: 627 kJ/mol 36 Fr Francium 87 7 1 Alkali metal 7440-73-5 223.0197 g/m alkali metals (223) g·mol−1 [Rn] 7s1 2, 8, 18, 32, 18, 8, 1 metallic solid 1.87 g/cc ? 300 K (? 27 °C, ? 80 °F) ? 950 K (? 677 °C, ? 1250 °F) ca. 2 kJ/mol ca. 65 kJ/mol (300 K) 15 W/mK 3 µΩm 1 (strongly basic oxide) 0.7 1st: 380 kJ/mol 260 pm body centered cubic Paramagnetic 37 Ga Gallium 31 4 13 Poor metal 7440-55-3 69.723(1) g/m poor metal 13, 4, d 69.723(1) g·mol−1 [Ar] 3d10 4s2 4p1 2, 8, 18, 3 solid 5.91 g/cc 6.095 g/cc 302.9146 K, 29.7646 °C, 85.5763 °F 2477 K, 2204 °C, 3999 °F (25 °C) 25.86 J/molK 5.59 kJ/mol 254 kJ/mol (300 K) 40.6 W/mK (20 °C) 270Ωm 3, 2, 1 (amphoteric oxide) 1.81 1st: 578.8 kJ/mol 122±3 pm 187 pm orthorhombic diamagnetic (20 °C) 2740 m/s (25 °C) 1.2 µm/mK 135 pm 9.8 GPa 1.5 0.47 60 MPa 38 Gd Gadolinium 64 6 Lanthanoid 7440-54-2 157.25(3) g/m lanthanides 157.25(3) g·mol−1 [Xe] 4f7 5d1 6s2 2, 8, 18, 25, 9, 2 silvery white solid 7.90 g/cc 7.4 g/cc 1585 K (1312 °C, 2394 °F) 3546 K (3273 °C, 5923 °F) (25 °C) 37.03 J/molK 10.05 kJ/mol 301.3 kJ/mol (300 K) 10.6 W/mK (r.t.) (α, poly) 1.310 µΩm 1, 2, 3 (mildly basic oxide) 1.2 1st: 593.4 kJ/mol 196±6 pm hexagonal ferromagnetic/paramagnetic transition at 292 K (20 °C) 2680 m/s (100 °C) (α, poly) 9.4 µm/(m·K) 180 pm (α form) 54.8 GPa (α form) 21.8 GPa (α form) 37.9 GPa (α form) 0.259 570 MPa 39 Ge Germanium 32 4 14 Metalloid 7440-56-4 72.64(1) g/m metalloids 72.64(1) g·mol−1 [Ar] 3d10 4s2 4p2 2, 8, 18, 4 grayish white solid 5.323 g/cc 5.60 g/cc 1211.40 K (938.25 °C, 1720.85 °F) 3106 K (2833 °C, 5131 °F) (25 °C) 23.222 J/molK 36.94 kJ/mol 334 kJ/mol (300 K) 60.2 W/mK (20 °C) 1 Ωm 4, 3, 2, 1, 0, -1, -2, -3, -4 (amphoteric oxide) 2.01 1st: 762 kJ/mol 122 pm Diamond cubic Diamagnetic (20 °C) 5400 m/s (25 °C) 6.0 µm/mK 122 pm 103 GPa 41 GPa 75 GPa 6 0.26 MPa MPa 40 H Hydrogen 1 1 1 Nonmetal 1333-74-0 1.00794(7) g/m nonmetal 1, 1, s 1.00794(7) g·mol−1 1s1 1 colorless gas 0.08988 g/L 14.01 K, -259.14 °C, -434.45 °F 20.28 K, -252.87 °C, -423.17 °F 13.8033 K (-259°C), 7.042 kPa 32.97 K, 1.293 MPa (25 °C) (H2) 28.836 J/molK (H2) 0.117 kJ/mol (H2) 0.904 kJ/mol (300 K) 0.1805 W/mK 1, -1 (amphoteric oxide) 2.2 1st: 1312.0 kJ/mol 31±5 pm 120 pm hexagonal diamagnetic (gas, 27 °C) 1310 m/s 41 He Helium 2 1 18 Noble gas 7440-59-7 4.002602(2) g/m noble gases 18, 1, s 4.002602(2) g·mol−1 1s2 2 gas 0.1786 g/L (at 2.5 MPa) 0.95 K, −272.20 °C, −457.96 °F 4.22 K, −268.93 °C, −452.07 °F 5.19 K, 0.227 MPa (25 °C) 20.786 J/molK 0.0138 kJ/mol 0.0829 kJ/mol (300 K) 0.1513 W/mK no data 1st: 2372.3 kJ/mol 28 pm 140 pm hexagonal close-packed diamagnetic (25 °C) µm/mK 42 Hf Hafnium 72 6 4 Transition metal 7440-58-6 178.49(2) g/m transition metals 178.49(2) g·mol−1 [Xe] 4f14 5d2 6s2 2, 8, 18, 32, 10, 2 steel grey solid 13.31 g/cc 12 g/cc 2506 K (2233 °C, 4051 °F) 4876 K (4603 °C, 8317 °F) (25 °C) 25.73 J/molK 27.2 kJ/mol 571 kJ/mol (300 K) 23.0 W/mK (20 °C) 331 n Ωm 4, 3, 2 (amphoteric oxide) 1.3 1st: 658.5 kJ/mol 175±10 pm hexagonal paramagnetic (20 °C) 3010 m/s (25 °C) 5.9 µm/mK 159 pm 78 GPa 30 GPa 110 GPa 5.5 0.37 1760 MPa 1700 MPa 43 Hg Mercury 80 6 12 Transition metal 7439-97-6 200.59(2) g/m transition metal 12, 6, d 200.59(2) g·mol−1 [Xe] 4f14 5d10 6s2 2, 8, 18, 32, 18, 2 liquid (liquid) 13.534 g/cc 234.32 K, -38.83 °C, -37.89 °F 629.88 K, 356.73 °C, 674.11 °F 1750 K, 172.00 MPa (25 °C) 27.983 J/molK 2.29 kJ/mol 59.11 kJ/mol (300 K) 8.30 W/mK (25 °C) 961nΩm 4, 2 (mercuric), 1 (mercurous) (mildly basic oxide) 2 1st: 1007.1 kJ/mol 132±5 pm 155 pm rhombohedral diamagnetic (liquid, 20 °C) 1451.4 m/s (25 °C) 60.4 µm/mK 151 pm 44 Ho Holmium 67 6 Lanthanoid 7440-60-0 164.93032(2) g/m lanthanides 164.93032(2) g·mol−1 [Xe] 4f11 6s2 2, 8, 18, 29, 8, 2 silvery white solid 8.79 g/cc 8.34 g/cc 1734 K (1461 °C, 2662 °F) 2993 K (2720 °C, 4928 °F) (25 °C) 27.15 J/molK 17.0 kJ/mol 265 kJ/mol (300 K) 16.2 W/mK (r.t.) (poly) 814 nΩm 3 (basic oxide) 1.23 1st: 581.0 kJ/mol 192±7 pm hexagonal paramagnetic (20 °C) 2760 m/s (r.t.) (poly) 11.2 µm/(m·K) 176 pm 64.8 GPa 26.3 GPa 40.2 GPa 0.231 481 MPa 746 MPa 45 Hs Hassium 108 7 8 Transition metal 54037-57-9 276 g/m transition metals [277] g·mol−1 [Rn] 5f14 6d6 7s2 2, 8, 18, 32, 32, 14, 2 unknown, probably silvery white or metallic gray presumably a solid 8 unknown 46 I Iodine 53 5 17 Halogen 7553-56-2 126.90447(3) g/m halogens 126.90447(3) g·mol−1 [Kr] 4d10 5s2 5p5 2, 8, 18, 18, 7 solid violet-dark gray, lustrous violet gas solid 4.933 g/cc 386.85 K (113.7 °C, 236.66 °F) 457.4 K (184.3 °C, 363.7 °F) 386.65 K, 12.1×103 Pa 819 K, 11.7 MPa (25 °C) (I2) 54.44 J/molK (I2) 15.52 kJ/mol (I2) 41.57 kJ/mol (300 K) 0.449 W/mK (0 °C) 1.3×107 Ωm 7, 5, 3, 1, -1 (strongly acidic oxide) 2.66 1st: 1008.4 kJ/mol 139±3 pm 198 pm orthorhombic diamagnetic 140 pm 7.7 GPa 47 In Indium 49 5 13 Poor metal 7440-74-6 114.818(3) g/m poor metals 114.818(3) g·mol−1 [Kr] 4d10 5s2 5p1 2, 8, 18, 18, 3 silvery lustrous gray solid 7.31 g/cc 7.02 g/cc 429.7485 K (156.5985 °C, 313.8773 °F) 2345 K (2072 °C, 3762 °F) (25 °C) 26.74 J/molK 3.281 kJ/mol 231.8 kJ/mol (300 K) 81.8 W/mK (20 °C) 83.7 n Ωm 3, 2, 1 (amphoteric oxide) 1.78 1st: 558.3 kJ/mol 142±5 pm 193 pm tetragonal diamagnetic (20 °C) 1215 m/s (25 °C) 32.1 µm/mK 167 pm 11 GPa 1.2 8.83 MPa 48 Ir Iridium 77 6 9 Transition metal 7439-88-5 192.217(3) g/m transition metals 192.217(3) g·mol−1 [Xe] 4f14 5d7 6s2 2, 8, 18, 32, 15, 2 silvery white solid 22.56 g/cc 19 g/cc 2739 K (2466 °C, 4471 °F) 4701 K (4428 °C, 8002 °F) (25 °C) 25.10 J/molK 41.12 kJ/mol 563 kJ/mol (300 K) 147 W/mK (20 °C) 47.1 n Ωm −3,−1, 0, 1, 2, 3, 4, 5, 6 2.2 1st: 880 kJ/mol 141±6 pm face centered cubic paramagnetic (20 °C) 4825 m/s (25 °C) 6.4 µm/mK 136 pm 528 GPa 210 GPa 320 GPa 6.5 0.26 1760 MPa 1670 MPa 49 K Potassium 19 4 1 Alkali metal 7440-09-7 39.0983(1) g/m alkali metal 1, 4, s 39.0983(1) g·mol−1 [Ar] 4s1 2, 8, 8, 1 solid 0.89 g/cc 0.828 g/cc 336.53 K, 63.38 °C, 146.08 °F 1032 K, 759 °C, 1398 °F 336.35 K (63°C), kPa (25 °C) 29.6 J/molK 2.33 kJ/mol 76.9 kJ/mol (300 K) 102.5 W/mK 1 (strongly basic oxide) 0.82 1st: 418.8 kJ/mol 203±12 pm 275 pm body-centered cubic paramagnetic (20 °C) 2000 m/s (25 °C) 83.3 µm/mK 227 pm 3.53 GPa 1.3 GPa 3.1 GPa 0.4 0.363 MPa 50 Kr Krypton 36 4 18 Noble gas 7439-90-9 83.798(2) g/m noble gases 83.798(2) g·mol−1 [Ar] 3d10 4s2 4p6 2, 8, 18, 8 colorless gas gas 3.749 g/L 115.79 K (-157.36 °C, -251.25 °F) 119.93 K (-153.22 °C, -244.12 °F) 115.775 K, 73.2 kPa 209.41 K, 5.50 MPa (25 °C) 20.786 J/molK 1.64 kJ/mol 9.08 kJ/mol (300 K) 9.43x10-3 W/mK 4, 2 3 1st: 1350.8 kJ/mol 116±4 pm 202 pm cubic face centered diamagnetic (liquid) 1120 m/s 51 La Lanthanum 57 6 Lanthanoid 7439-91-0 138.90547(7) g/m lanthanides 138.90547(7) g·mol−1 [Xe] 5d1 6s2 2, 8, 18, 18, 9, 2 silvery white solid 6.162 g/cc 5.94 g/cc 1193 K (920 °C, 1688 °F) 3737 K (3464 °C, 6267 °F) (25 °C) 27.11 J/molK 6.20 kJ/mol 402.1 kJ/mol (300 K) 13.4 W/mK (r.t.) (α, poly) 615 nΩm 3, 2 (strongly basic oxide) 1.1 1st: 538.1 kJ/mol 207±8 pm hexagonal paramagnetic (20 °C) 2475 m/s (r.t.) (α, poly) 12.1 µm/(m·K) 187 pm (α form) 36.6 GPa (α form) 14.3 GPa (α form) 27.9 GPa 2.5 (α form) 0.280 491 MPa 363 MPa 52 Li Lithium 3 2 1 Alkali metal 7439-93-2 6.941(2) g/m alkali metal 1, 2, s 6.941(2) g·mol−1 1s2 2s1 2, 1 solid 0.534 g/cc 0.512 g/cc 453.69 K, 180.54 °C, 356.97 °F 1615 K, 1342 °C, 2448 °F (extrapolated) 3223 K, 67 MPa (25 °C) 24.860 J/molK 3.00 kJ/mol 147.1 kJ/mol (300 K) 84.8 W/mK (20 °C) 92.8 nΩm +1, -1 (strongly basic oxide) 0.98 1st: 520.2 kJ/mol 128±7 pm 182 pm body-centered cubic paramagnetic (20 °C) 6000 m/s (25 °C) 46 µm/mK 152 pm 4.9 GPa 4.2 GPa 11 GPa 0.6 53 Lr Lawrencium 103 7 3 Actinoid 22537-19-5 264 g/m transition metals [262] g·mol−1 [Rn] 5f14 7s2 7p1 2, 8, 18, 32, 32, 8, 3 unknown, probably silvery white or metallic gray presumably a solid 3 1st: 443.8 kJ/mol 54 Lu Lutetium 71 6 3 Lanthanoid 7439-94-3 174.9668(1) g/m transition metals 174.967(1) g·mol−1 [Xe] 6s2 4f14 5d1 2, 8, 18, 32, 9, 2 silvery white solid 9.841 g/cc 9.3 g/cc 1925 K (1652 °C, 3006 °F) 3675 K (3402 °C, 6156 °F) (25 °C) 26.86 J/molK ca. 22 kJ/mol 414 kJ/mol (300 K) 16.4 W/mK (r.t.) (poly) 582 nΩm 3 (weakly basic oxide) 1.27 1st: 523.5 kJ/mol 187±8 pm hexagonal paramagnetic (r.t.) (poly) 9.9 µm/(m·K) 174 pm 68.6 GPa 27.2 GPa 47.6 GPa 0.261 1160 MPa 893 MPa 55 Md Mendelevium 101 7 Actinoid 7440-11-1 258.0986 g/m actinides (258) g·mol−1 [Rn] 5f13 7s2 2, 8, 18, 32, 31, 8, 2 unknown, probably silvery white or metallic gray solid 1100 K (827 °C, 1521 °F) 2, 3 1.3 1st: 635 kJ/mol no data 56 Mg Magnesium 12 3 2 Alkaline earth metal 7439-95-4 24.3050(6) g/m alkaline earth metal 2, 3, s 24.3050(6) g·mol−1 [Ne] 3s2 2, 8, 2 solid 1.738 g/cc 1.584 g/cc 923 K, 650 °C, 1202 °F 1363 K, 1091 °C, 1994 °F (25 °C) 24.869 J/molK 8.48 kJ/mol 128 kJ/mol (300 K) 156 W/mK (20 °C) 43.9 nΩm 2, 1 (strongly basic oxide) 1.31 1st: 737.7 kJ/mol 141±7 pm 173 pm hexagonal paramagnetic (r.t.) (annealed) 4940 m·s−1 (25 °C) 24.8 µm/mK 160 pm 45 GPa 17 GPa 45 GPa 2.5 0.29 260 MPa 57 Mn Manganese 25 4 7 Transition metal 7439-96-5 54.938045(5) g/m transition metal 7, 4, d 54.938045(5) g·mol−1 [Ar] 4s2 3d5 2, 8, 13, 2 solid 7.21 g/cc 5.95 g/cc 1519 K, 1246 °C, 2275 °F 2334 K, 2061 °C, 3742 °F (25 °C) 26.32 J/molK 12.91 kJ/mol 221 kJ/mol (300 K) 7.81 W/mK (20 °C) 1.44 µΩm 7, 6, 5, 4, 3, 2, 1, -1, -2, -3 (oxides: acidic, basic or amphoteric depending on the oxidation state) 1.55 1st: 717.3 kJ/mol 139±5 (low spin), 161±8 (high spin) pm cubic paramagnetic (20 °C) 5150 m/s (25 °C) 21.7 µm/mK 127 pm 198 GPa 120 GPa 6 196 MPa 58 Mo Molybdenum 42 5 6 Transition metal 7439-98-7 95.96(2) g/m transition metals 95.94(2) g·mol−1 [Kr] 4d5 5s1 2, 8, 18, 13, 1 gray metallic solid 10.28 g/cc 9.33 g/cc 2896 K (2623 °C, 4753 °F) 4912 K (4639 °C, 8382 °F) (25 °C) 24.06 J/molK 37.48 kJ/mol 617 kJ/mol (300 K) 138 W/mK (20 °C) 53.4 n Ωm 6, 5, 4, 3, 2, 1, -1, -2 (strongly acidic oxide) 2.16 1st: 684.3 kJ/mol 154±5 pm body centered cubic paramagnetic (r.t.) 5400 m·s−1 (25 °C) 4.8 µm/mK 139 pm 329 GPa 126 GPa 230 GPa 5.5 0.31 1530 MPa 1500 MPa 59 Mt Meitnerium 109 7 9 Transition metal 54038-01-6 279 g/m transition metals [276] g·mol−1 [Rn] 5f14 6d7 7s2 2, 8, 18, 32, 32, 15, 2 probably light silver green metallic presumably a solid 60 N Nitrogen 7 2 15 Nonmetal 7727-37-9 14.0067(2) g/m nonmetal 15, 2, p 14.0067(2) g·mol−1 1s2 2s2 2p3 2, 5 gas 1.251 g/L 63.153 K, -210.00 °C, -346.00 °F 77.36 K, -195.79 °C, -320.3342 °F 63.1526 K (-210°C), 12.53 kPa 126.19 K, 3.3978 MPa (25 °C) (N2) 29.124 J/molK (N2) 0.72 kJ/mol (N2) 5.56 kJ/mol (300 K) 25.83 × 10−3 W/mK 5, 4, 3, 2, 1, -1, -2, -3 (strongly acidic oxide) 3.04 1st: 1402.3 kJ/mol 71±1 pm 155 pm hexagonal diamagnetic (gas, 27 °C) 353 m/s 61 Na Sodium 11 3 1 Alkali metal 7440-23-5 22.98976928(2) g/m alkali metal 1, 3, s 22.98976928(2) g·mol−1 [Ne] 3s1 2,8,1 solid 0.968 g/cc 0.927 g/cc 370.87 K, 97.72 °C, 207.9 °F 1156 K, 883 °C, 1621 °F (extrapolated) 2573 K, 35 MPa (25 °C) 28.230 J/molK 2.60 kJ/mol 97.42 kJ/mol (300 K) 142 W/mK (20 °C) 47.7 nΩm +1, -1 (strongly basic oxide) 0.93 1st: 495.8 kJ/mol 166±9 pm 227 pm body-centered cubic paramagnetic (20 °C) 3200 m/s (25 °C) 71 µm/mK 186 pm 10 GPa 3.3 GPa 6.3 GPa 0.5 0.69 MPa 62 Nb Niobium 41 5 5 Transition metal 7440-03-1 92.90638(2) g/m transition metals 92.90638(2) g·mol−1 [Kr] 4d4 5s1 2, 8, 18, 12, 1 gray metallic solid 8.57 g/cc 2750 K (2477 °C, 4491 °F) 5017 K (4744 °C, 8571 °F) (25 °C) 24.60 J/molK 30 kJ/mol 689.9 kJ/mol (300 K) 53.7 W/mK (0 °C) 152 nΩm 5, 4, 3, 2, -1 (mildly acidic oxide) 1.6 1st: 652.1 kJ/mol 164±6 pm body centered cubic paramagnetic (20 °C) 3480 m/s (25 °C) 7.3 µm/mK 146 pm 105 GPa 38 GPa 170 GPa 6 0.4 1320 MPa 736 MPa 63 Nd Neodymium 60 6 Lanthanoid 7440-00-8 144.242(3) g/m lanthanides 144.242(3) g·mol−1 [Xe] 4f4 6s2 2, 8, 18, 22, 8, 2 silvery white, yellowish tinge solid 7.01 g/cc 6.89 g/cc 1297 K (1024 °C, 1875 °F) 3347 K (3074 °C, 5565 °F) (25 °C) 27.45 J/molK 7.14 kJ/mol 289 kJ/mol (300 K) 16.5 W/mK (r.t.) (α, poly) 643 nΩm 3, 2 (mildly basic oxide) 1.14 1st: 533.1 kJ/mol 201±6 pm hexagonal paramagnetic, antiferromagnetic below 20K (20 °C) 2330 m/s (r.t.) (α, poly) 9.6 µm/(m·K) 181 pm (α form) 41.4 GPa (α form) 16.3 GPa (α form) 31.8 GPa (α form) 0.281 343 MPa 265 MPa 64 Ne Neon 10 2 18 Noble gas 7440-01-9 20.1797(6) g/m noble gases 18, 2, p 20.1797(6) g·mol−1 1s2 2s2 2p6 2, 8 gas 0.9002 g/L 24.56 K, -248.59 °C, -415.46 °F 27.07 K, -246.08 °C, -410.94 °F 24.5561 K (-249°C), 43 kPa 44.4 K, 2.76 MPa (25 °C) 20.786 J/molK 0.335 kJ/mol 1.71 kJ/mol (300 K) 49.1x10-3 W/mK no data 1st: 2080.7 kJ/mol 58 pm 154 pm face-centered cubic diamagnetic (gas, 0 °C) 435 m/s 654 GPa 65 Ni Nickel 28 4 10 Transition metal 7440-02-0 58.6934(4) g/m transition metal 10, 4, d 58.6934(2) g·mol−1 [Ar] 4s1 3d9 2, 8, 17, 1 solid 8.908 g/cc 7.81 g/cc 1728 K, 1453 °C, 2651 °F 3186 K, 2732 °C, 5275 °F (25 °C) 26.07 J/molK 17.48 kJ/mol 377.5 kJ/mol (300 K) 90.9 W/mK (20 °C) 69.3 nΩm 4, 3, 2, 1 , -1 (mildly basic oxide) 1.91 1st: 737.1 kJ/mol 124±4 pm 163 pm face-centered cubic ferromagnetic (r.t.) 4900 m·s−1 (25 °C) 13.4 µm/mK 124 pm 200 GPa 76 GPa 180 GPa 4 0.31 638 MPa 700 MPa 66 No Nobelium 102 7 Actinoid 10028-14-5 259.1009 g/m actinides [259] g·mol−1 [Rn] 5f14 7s2 2, 8, 18, 32, 32, 8, 2 unknown, probably metallic solid 2, 3 (Pauling scale) 1st: 641.6 kJ/mol 67 Np Neptunium 93 7 Actinoid 7439-99-8 237.0482 g/m actinides (237) g·mol−1 [Rn] 5f4 6d1 7s2 2, 8, 18, 32, 22, 9, 2 silvery metallic solid 20.45 g/cc 910 K (637 °C, 1179 °F) 4273 K (4000 °C, 7232 °F) (25 °C) 29.46 J/molK 3.20 kJ/mol 336 kJ/mol (300 K) 6.3 W/mK (22 °C) 1.220 µΩm 7, 6, 5, 4, 3 (amphoteric oxide) 1.36 1st: 604.5 kJ/mol 190±1 pm 3 forms: orthorhombic, tetragonal and cubic paramagnetic 155 pm 68 O Oxygen 8 2 16 Nonmetal 7782-44-7 15.9994(3) g/m nonmetal, chalcogens 16, 2, p 15.9994(3) g·mol−1 1s2 2s2 2p4 2, 6 gas 1.429 g/L 54.36 K, -218.79 °C, -361.82 °F 90.20 K, -182.95 °C, -297.31 °F 154.59 K, 5.043 MPa (25 °C) (O2) 29.378 J/molK (O2) 0.444 kJ/mol (O2) 6.82 kJ/mol (300 K) 26.58x10-3 W/mK 2, 1, −1, −2 (neutral oxide) 3.44 1st: 1313.9 kJ/mol 66±2 pm 152 pm cubic paramagnetic (gas, 27 °C) 330 m/s 69 Os Osmium 76 6 8 Transition metal 7440-04-2 190.23(3) g/m transition metals 190.23(3) g·mol−1 [Xe] 4f14 5d6 6s2 2, 8, 18, 32, 14, 2 silvery, blue cast solid 22.61 g/cc 20 g/cc 3306 K (3033 °C, 5491 °F) 5285 K (5012 °C, 9054 °F) (25 °C) 24.7 J/molK 57.85 kJ/mol 738 kJ/mol (300 K) 87.6 W/mK (0 °C) 81.2 nΩm 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2 (mildly acidic oxide) 2.2 1st: 840 kJ/mol 144±4 pm hexagonal paramagnetic (20 °C) 4940 m/s (25 °C) 5.1 µm/mK 135 pm 222 GPa 462 GPa 7 0.25 3920 MPa 70 P Phosphorus 15 3 15 Nonmetal 7723-14-0 30.973762(2) g/m nonmetal 15, 3, p 30.973762(2) g·mol−1 [Ne] 3s2 3p3 2, 8, 5 (white) 1.823, (red) ≈ 2.2 – 2.34, (violet) 2.36, (black) 2.69 g/cc (white) 44.2 °C, (black) 610 °C (white) 280.5 °C (red) ≈ 416 – 590 °C, (violet) 620 °C (25 °C) (white) 23.824 J/molK (white) 0.66 kJ/mol (white) 12.4 kJ/mol (300 K) (white) 0.236, (black) 12.1 W/mK 5, 4, 3, 2, 1 , -1, -2, -3 (mildly acidic oxide) 2.19 1st: 1011.8 kJ/mol 107±3 pm 180 pm (white,red,violet,black) diamagnetic (white) 5, (red) 11 GPa 71 Pa Protactinium 91 7 Actinoid 7440-13-3 231.03588(2) g/m actinides 231.03588(2) g·mol−1 [Rn] 7s2 6d1 5f2 2, 8, 18, 32, 20, 9, 2 bright, silvery metallic luster solid 15.37 g/cc 1841 K (1568 °C, 2854 °F) ? 4300 K (? 4027 °C, ? 7280 °F) 12.34 kJ/mol 481 kJ/mol (300 K) 47 W/mK (0 °C) 177 nΩm 2, 3, 4, 5 (weakly basic oxide) 1.5 1st: 568 kJ/mol 200 pm orthorhombic paramagnetic 163 pm 72 Pb Lead 82 6 14 Poor metal 7439-92-1 207.2(1) g/m Post-transition metals 207.2(1) g·mol−1 [Xe] 4f14 5d10 6s2 6p2 2, 8, 18, 32, 18, 4 bluish gray solid 11.34 g/cc 10.66 g/cc 600.61 K (327.46 °C, 621.43 °F) 2022 K (1749 °C, 3180 °F) (25 °C) 26.650 J/molK 4.77 kJ/mol 179.5 kJ/mol (300 K) 35.3 W/mK (20 °C) 208 n Ωm 4, 2, -4 (Amphoteric oxide) 2.33 1st: 715.6 kJ/mol 146±5 pm 202 pm face centered cubic diamagnetic (r.t.) (annealed) 1190 m·s−1 (25 °C) 28.9 µm/mK 175 pm 16 GPa 5.6 GPa 46 GPa 1.5 0.44 38.3 MPa 73 Pd Palladium 46 5 10 Transition metal 7440-05-3 106.42(1) g/m transition metals 106.42(1) g·mol−1 [Kr] 4d10 2, 8, 18, 18, 0 silvery white metallic solid 12.023 g/cc 10.38 g/cc 1828.05 K (1554.9 °C, 2830.82 °F) 3236 K (2963 °C, 5365 °F) (25 °C) 25.98 J/molK 16.74 kJ/mol 362 kJ/mol (300 K) 71.8 W/mK (20 °C) 105.4 n Ωm 0, +1, +2, +4, +6 (mildly basic oxide) 2.2 1st: 804.4 kJ/mol 139±6 pm 163 pm cubic face centered paramagnetic (20 °C) 3070 m/s (25 °C) 11.8 µm/mK 137 pm 121 GPa 44 GPa 180 GPa 4.75 0.39 461 MPa 37.3 MPa 74 Pm Promethium 61 6 Lanthanoid 7440-12-2 146.9151 g/m lanthanoids [145](0) g·mol−1 [Xe] 4f5 6s2 2, 8, 18, 23, 8, 2 metallic solid 7.26 g/cc 1315 K (1042 °C, 1908 °F) 3273 K (3000 °C, 5432 °F) 7.13 kJ/mol 289 kJ/mol (300 K) 17.9 W/mK (r.t.) est. 0.75 µΩm 3 (mildly basic oxide) ? 1.13 1st: 540 kJ/mol 199 pm hexagonal paramagnetic (r.t.) (α, poly) est. 11 µm/(m·K) 183 pm (α form) est. 46 GPa (α form) est. 18 GPa (α form) est. 33 GPa (α form) est. 0.28 75 Po Polonium 84 6 16 Metalloid 7440-08-6 208.9824 g/m metalloids (209) g·mol−1 [Xe] 6s2 4f14 5d10 6p4 2, 8, 18, 32, 18, 6 silvery solid (beta) 9.398 g/cc 527 K (254 °C, 489 °F) 1235 K (962 °C, 1764 °F) (25 °C) 26.4 J/molK ca. 13 kJ/mol 102.91 kJ/mol (300 K) ? 20 W/mK (0 °C) (α) 0.40 µΩm 6, 4, 2, -2 (amphoteric oxide) 2 1st: 812.1 kJ/mol 140±4 pm cubic nonmagnetic (25 °C) 23.5 µm/mK 168 pm 76 Pr Praseodymium 59 6 Lanthanoid 7440-10-0 140.90765(2) g/m lanthanides 140.90765(2) g·mol−1 [Xe] 4f3 6s2 2, 8, 18, 21, 8, 2 grayish white solid 6.77 g/cc 6.50 g/cc 1208 K (935 °C, 1715 °F) 3793 K (3520 °C, 6368 °F) (25 °C) 27.20 J/molK 6.89 kJ/mol 331 kJ/mol (300 K) 12.5 W/mK (r.t.) (α, poly) 0.700 µΩm 4, 3, 2 (mildly basic oxide) 1.13 1st: 527 kJ/mol 203±7 pm hexagonal paramagnetic (20 °C) 2280 m/s (r.t.) (α, poly) 6.7 µm/(m·K) 182 pm (α form) 37.3 GPa (α form) 14.8 GPa (α form) 28.8 GPa (α form) 0.281 400 MPa 481 MPa 77 Pt Platinum 78 6 10 Transition metal 7440-06-4 195.084(9) g/m transition metals 195.084(9) g·mol−1 [Xe] 4f14 5d9 6s1 2, 8, 18, 32, 17, 1 grayish white solid 21.45 g/cc 19.77 g/cc 2041.4 K (1768.3 °C, 3214.9 °F) 4098 K (3825 °C, 6917 °F) (25 °C) 25.86 J/molK 22.17 kJ/mol 469 kJ/mol (300 K) 71.6 W/mK (20 °C) 105 n Ωm 6, 5, 4, 3 , 2, 1, -1, -2 (mildly basic oxide) 2.28 1st: 870 kJ/mol 136±5 pm 175 pm face centered cubic paramagnetic (r.t.) 2800 m·s−1 (25 °C) 8.8 µm/mK 139 pm 168 GPa 61 GPa 230 GPa 4–4.5 0.38 549 MPa 392 MPa 78 Pu Plutonium 94 7 Actinoid 7440-07-5 244.0642 g/m actinides (244) g·mol−1 [Rn] 5f6 7s2 2, 8, 18, 32, 24, 8, 2 silvery white solid 19.816 g/cc 16.63 g/cc 912.5 K (639.4 °C, 1182.9 °F) 3505 K (3228 °C, 5842 °F) (25 °C) 35.5 J/molK 2.82 kJ/mol 333.5 kJ/mol (300 K) 6.74 W/mK (0 °C) 1.460 µΩm 7, 6, 5, 4, 3 (amphoteric oxide) 1.28 1st: 584.7 kJ/mol 187±1 pm monoclinic paramagnetic (20 °C) 2260 m/s (25 °C) 46.7 µm/mK 159 pm 96 GPa 43 GPa 0.21 79 Ra Radium 88 7 2 Alkaline earth metal 7440-14-4 226.0254 g/m alkaline earth metals (226) g·mol−1 [Rn] 7s2 2, 8, 18, 32, 18, 8, 2 silvery white metallic solid 5.5 g/cc 973 K (700 °C, 1292 °F) 2010 K (1737 °C, 3159 °F) 8.5 kJ/mol 113 kJ/mol (300 K) 18.6 W/mK (20 °C) 1 µ Ωm 2 (strongly basic oxide) 0.9 1st: 509.3 kJ/mol 221±2 pm body centered cubic nonmagnetic 80 Rb Rubidium 37 5 1 Alkali metal 7440-17-7 85.4678(3) g/m alkali metals 85.4678(3) g·mol−1 [Kr] 5s1 2, 8, 18, 8, 1 grey white solid 1.532 g/cc 1.46 g/cc 312.46 K (39.31 °C, 102.76 °F) 961 K (688 °C, 1270 °F) (extrapolated) 2093 K, 16 MPa (25 °C) 31.060 J/molK 2.19 kJ/mol 75.77 kJ/mol (300 K) 58.2 W/mK (20 °C) 128 n Ωm 1 (strongly basic oxide) 0.82 1st: 403.0 kJ/mol 220±9 pm 244 pm body centered cubic paramagnetic (20 °C) 1300 m/s 248 pm 2.4 GPa 2.5 GPa 0.3 0.216 MPa 81 Re Rhenium 75 6 7 Transition metal 7440-15-5 186.207(1) g/m transition metals 186.207(1) g·mol−1 [Xe] 4f14 5d5 6s2 2, 8, 18, 32, 13, 2 grayish white solid 21.02 g/cc 18.9 g/cc 3459 K (3186 °C, 5767 °F) 5869 K (5596 °C, 10105 °F) (25 °C) 25.48 J/molK 60.43 kJ/mol 704 kJ/mol (300 K) 48.0 W/mK (20 °C) 193 n Ωm 7, 6, 5, 4, 3, 2, 1, 0, -1 (mildly acidic oxide) 1.9 1st: 760 kJ/mol 151±7 pm hexagonal paramagnetic (20 °C) 4700 m/s (25 °C) 6.2 µm/mK 137 pm 463 GPa 178 GPa 370 GPa 7 0.3 2450 MPa 1320 MPa 82 Rf Rutherfordium 104 7 4 Transition metal 53850-36-5 265 g/m transition metals [267] g·mol−1 [Rn] 5f14 6d2 7s2 2, 8, 18, 32, 32, 10, 2 Unknown 4 83 Rg Roentgenium 111 7 11 Transition metal 54386-24-2 283 g/m transition metals [280] g·mol−1 [Rn] 5f14 6d9 7s2 2, 8, 18, 32, 32, 17, 2 unknown presumably a solid 84 Rh Rhodium 45 5 9 Transition metal 7440-16-6 102.90550(2) g/m transition metals 102.90550(2) g·mol−1 [Kr] 4d8 5s1 2, 8, 18, 16, 1 silvery white metallic solid 12.41 g/cc 10.7 g/cc 2237 K (1964 °C, 3567 °F) 3968 K (3695 °C, 6683 °F) (25 °C) 24.98 J/molK 26.59 kJ/mol 494 kJ/mol (300 K) 150 W/mK (0 °C) 43.3 nΩm 6, 5, 4, 3, 2, 1, -1 (amphoteric oxide) 2.28 1st: 719.7 kJ/mol 142±7 pm cubic face centered paramagnetic (20 °C) 4700 m/s (25 °C) 8.2 µm/mK 134 pm 380 GPa 150 GPa 275 GPa 6 0.26 1246 MPa 1100 MPa 85 Rn Radon 86 6 18 Noble gas 10043-92-2 222.0176 g/m noble gases 18, 6, p (222) g·mol−1 [Xe] 4f14 5d10 6s2 6p6 2, 8, 18, 32, 18, 8 gas 202 K, −71.15 °C, −96 °F 211.3 K, −61.85 °C, −79.1 °F 377 K, 6.28 MPa (25 °C) 20.786 J/molK 3.247 kJ/mol 18.10 kJ/mol (300 K) 3.61 m W/mK 2 2.2 1st: 1037 kJ/mol 150 pm face-centered cubic non-magnetic 86 Ru Ruthenium 44 5 8 Transition metal 7440-18-8 101.07(2) g/m transition metals 101.07(2) g·mol−1 [Kr] 4d7 5s1 2, 8, 18, 15, 1 silvery white metallic 12.45 g/cc 10.65 g/cc 2607 K (2334 °C, 4233 °F) 4423 K (4150 °C, 7502 °F) (25 °C) 24.06 J/molK 38.59 kJ/mol 591.6 kJ/mol (300 K) 117 W/mK (0 °C) 71 nΩm 8, 7, 6, 4, 3, 2, 1,, -2 (mildly acidic oxide) 2.3 1st: 710.2 kJ/mol 146±7 pm hexagonal paramagnetic (20 °C) 5970 m/s (25 °C) 6.4 µm/mK 134 pm 447 GPa 173 GPa 220 GPa 6.5 0.3 2160 MPa 87 S Sulfur 16 3 16 Nonmetal 7704-34-9 32.065(5) g/m nonmetal 16, 3, p 32.065(5) g·mol−1 [Ne] 3s2 3p4 2, 8, 6 solid (gamma) 1.92 g/cc 1.819 g/cc 388.36 K, 115.21 °C, 239.38 °F 717.8 K, 444.6 °C, 832.3 °F 1314 K, 20.7 MPa (25 °C) 22.75 J/molK (mono) 1.727 kJ/mol (mono) 45 kJ/mol (300 K) (amorphous) 0.205 W/mK (20 °C) (amorphous) 2×1015Ωm 6, 5, 4, 3, 2, 1, -1, -2 (strongly acidic oxide) 2.58 1st: 999.6 kJ/mol 105±3 pm 180 pm orthorhombic diamagnetic 7.7 GPa 2 88 Sb Antimony 51 5 15 Metalloid 7440-36-0 121.760(1) g/m metalloid 15, 5, p 121.760(1) g·mol−1 [Kr] 4d10 5s2 5p3 2, 8, 18, 18, 5 solid 6.697 g/cc 6.53 g/cc 903.78 K, 630.63 °C, 1167.13 °F 1860 K, 1587 °C, 2889 °F (25 °C) 25.23 J/molK 19.79 kJ/mol 193.43 kJ/mol (300 K) 24.4 W/mK (20 °C) 417 nΩm 5, 3, -3 2.05 1st: 834 kJ/mol 139±5 pm rhombohedral diamagnetic (20 °C) 3420 m/s (25 °C) 11 µm/mK 140 pm 55 GPa 20 GPa 42 GPa 3 294 MPa 89 Sc Scandium 21 4 3 Transition metal 7440-20-2 44.955912(6) g/m transition metal 3, 4, d 44.955912(6) g·mol−1 [Ar] 3d1 4s2 2, 8, 9, 2 solid 2.985 g/cc 2.80 g/cc 1814 K, 1541 °C, 2806 °F 3109 K, 2836 °C, 5136 °F (25 °C) 25.52 J/molK 14.1 kJ/mol 332.7 kJ/mol (300 K) 15.8 W/mK (r.t.) (α, poly) calc. 562 nΩm 3, 2, 1 (weakly basic oxide) 1.36 1st: 633.1 kJ/mol 170±7 pm hexagonal paramagnetic (r.t.) (α, poly) 10.2 µm/(m·K) 162 pm 74.4 GPa 29.1 GPa 56.6 GPa 0.279 750 MPa 90 Se Selenium 34 4 16 Nonmetal 7782-49-2 78.96(3) g/m nonmetals 78.96(3) g·mol−1 [Ar] 4s2 3d10 4p4 2, 8, 18, 6 gray-black, metallic luster solid (vitreous) 4.28 g/cc 3.99 g/cc 494 K (221 °C, 430 °F) 958 K (685 °C, 1265 °F) 1766 K, 27.2 MPa (25 °C) 25.363 J/molK (gray) 6.69 kJ/mol 95.48 kJ/mol (300 K) (amorphous) 0.519 W/mK 6, 4, 2, 1, -2 (strongly acidic oxide) 2.55 1st: 941.0 kJ/mol 120±4 pm 190 pm hexagonal diamagnetic (20 °C) 3350 m/s (25 °C) (amorphous) 37 µm/mK 120 pm 10 GPa 3.7 GPa 8.3 GPa 2 0.33 736 MPa 91 Sg Seaborgium 106 7 6 Transition metal 54038-81-2 272 g/m transition metals [271] g·mol−1 [Rn] 7s2 5f14 6d4 2, 8, 18, 32, 32, 12, 2 unknown, probably silvery white or metallic gray presumably a solid unknown g/cc 6 unknown pm unknown unknown pm 92 Si Silicon 14 3 14 Metalloid 7440-21-3 28.0855(3) g/m metalloid 14, 3, p 28.0855(3) g·mol−1 [Ne] 3s2 3p2 2, 8, 4 solid 2.3290 g/cc 2.57 g/cc 1687 K, 1414 °C, 2577 °F 3538 K, 3265 °C, 5909 °F (25 °C) 19.789 J/molK 50.21 kJ/mol 359 kJ/mol (300 K) 149 W/mK (20 °C) 103 Ωm 1.12 eV 4, 3 , 2 , 1 -1, -2, -3, -4 (amphoteric oxide) 1.9 1st: 786.5 kJ/mol 111 pm 210 pm diamond cubic diamagnetic (20 °C) 8433 m/s (25 °C) 2.6 µm/mK 111 pm 185 GPa 52 GPa 100 GPa 7 0.28 93 Sm Samarium 62 6 Lanthanoid 7440-19-9 150.36(2) g/m lanthanides 150.36(2) g·mol−1 [Xe] 6s2 4f6 2, 8, 18, 24, 8, 2 silvery white solid 7.52 g/cc 7.16 g/cc 1345 K (1072 °C, 1962 °F) 2067 K (1794 °C, 3261 °F) (25 °C) 29.54 J/molK 8.62 kJ/mol 165 kJ/mol (300 K) 13.3 W/mK (r.t.) (α, poly) 0.940 µΩm 3, 2 (mildly basic oxide) 1.17 1st: 544.5 kJ/mol 198±8 pm rhombohedral paramagnetic (20 °C) 2130 m/s (r.t.) (α, poly) 12.7 µm/(m·K) 180 pm (α form) 49.7 GPa (α form) 19.5 GPa (α form) 37.8 GPa (α form) 0.274 412 MPa 441 MPa 94 Sn Tin 50 5 14 Poor metal 7440-31-5 118.710(7) g/m poor metals 118.710(7) g·mol−1 [Kr] 4d10 5s2 5p2 2, 8, 18, 18, 4 silvery lustrous gray solid (gray) 5.769 g/cc 6.99 g/cc 505.08 K (231.93 °C, 449.47 °F) 2875 K (2602 °C, 4716 °F) (25 °C) (white) 27.112 J/molK (white) 7.03 kJ/mol (white) 296.1 kJ/mol (300 K) 66.8 W/mK (0 °C) 115 nΩm 4, 2, -4 (amphoteric oxide) 1.96 1st: 708.6 kJ/mol 139±4 pm 217 pm Tetragonal (white), diamond cubic (gray) (gray)diamagnetic, (white) paramagnetic (r.t.) (rolled) 2730 m·s−1 (25 °C) 22.0 µm/mK 140 pm 50 GPa 18 GPa 58 GPa 1.5 0.36 51 MPa 95 Sr Strontium 38 5 2 Alkaline earth metal 7440-24-6 87.62(1) g/m alkaline earth metals 87.62(1) g·mol−1 [Kr] 5s2 2, 8, 18, 8, 2 silvery white metallic solid 2.64 g/cc 2.375 g/cc 1050 K (777 °C, 1431 °F) 1655 K (1382 °C, 2520 °F) (25 °C) 26.4 J/molK 7.43 kJ/mol 136.9 kJ/mol (300 K) 35.4 W/mK (20 °C) 132 n Ωm 2, 1 (strongly basic oxide) 0.95 1st: 549.5 kJ/mol 195±10 pm cubic face centered paramagnetic (25 °C) 22.5 µm/mK 215 pm 6.1 GPa 1.5 0.28 96 Ta Tantalum 73 6 5 Transition metal 7440-25-7 180.9479(1) g/m transition metals 180.94788(2) g·mol−1 [Xe] 4f14 5d3 6s2 2, 8, 18, 32, 11, 2 gray blue solid 16.69 g/cc 15 g/cc 3290 K (3017 °C, 5463 °F) 5731 K (5458 °C, 9856 °F) (25 °C) 25.36 J/molK 36.57 kJ/mol 732.8 kJ/mol (300 K) 57.5 W/mK (20 °C) 131 n Ωm 5, 4, 3, 2, -1 (mildly acidic oxide) 1.5 1st: 761 kJ/mol 170±8 pm body centered cubic paramagnetic (20 °C) 3400 m/s (25 °C) 6.3 µm/mK 146 pm 186 GPa 69 GPa 200 GPa 6.5 0.34 873 MPa 800 MPa 97 Tb Terbium 65 6 Lanthanoid 7440-27-9 158.92535(2) g/m lanthanides 158.92535(2) g·mol−1 [Xe] 4f9 6s2 2, 8, 18, 27, 8, 2 silvery white solid 8.23 g/cc 7.65 g/cc 1629 K (1356 °C, 2473 °F) 3503 K (3230 °C, 5846 °F) (25 °C) 28.91 J/molK 10.15 kJ/mol 293 kJ/mol (300 K) 11.1 W/mK (r.t.) (α, poly) 1.150 µΩm 4, 3, 2, 1 (weakly basic oxide) ? 1.2 1st: 565.8 kJ/mol 194±5 pm hexagonal paramagnetic at 300 K (20 °C) 2620 m/s (r.t.) (α, poly) 10.3 µm/(m·K) 177 pm (α form) 55.7 GPa (α form) 22.1 GPa (α form) 38.7 GPa (α form) 0.261 863 MPa 677 MPa 98 Tc Technetium 43 5 7 Transition metal 7440-26-8 98.9063 g/m transition metals [98](0) g·mol−1 [Kr] 4d5 5s2 2, 8, 18, 13, 2 silvery gray metal solid 11 g/cc 2430 K (2157 °C, 3915 °F) 4538 K (4265 °C, 7709 °F) (25 °C) 24.27 J/molK 33.29 kJ/mol 585.2 kJ/mol (300 K) 50.6 W/mK 7, 6, 5, 4, 3, 2, 1, -1, -3 (strongly acidic oxide) 1.9 1st: 702 kJ/mol 147±7 pm hexagonal Paramagnetic 136 pm -53 kJ/mol 99 Te Tellurium 52 5 16 Metalloid 13494-80-9 127.60(3) g/m metalloids 127.60(3) g·mol−1 [Kr] 5s2 4d10 5p4 2, 8, 18, 18, 6 silvery lustrous gray solid 6.24 g/cc 5.70 g/cc 722.66 K (449.51 °C, 841.12 °F) 1261 K (988 °C, 1810 °F) (25 °C) 25.73 J/molK 17.49 kJ/mol 114.1 kJ/mol (300 K) (1.97–3.38) W/mK 6, 5, 4, 2, -2 (mildly acidic oxide) 2.1 1st: 869.3 kJ/mol 138±4 pm 206 pm hexagonal diamagnetic (20 °C) 2610 m/s 140 pm 43 GPa 16 GPa 65 GPa 2.25 180 MPa 100 Th Thorium 90 7 Actinoid 7440-29-1 232.03806(2) g/m Actinides 232.0381(2) g·mol−1 [Rn] 6d2 7s2 2, 8, 18, 32, 18, 10, 2 silvery white solid 11.7 g/cc 2115 K (1842 °C, 3348 °F) 5061 K (4788 °C, 8650 °F) (25 °C) 26.230 J/molK 13.81 kJ/mol 514 kJ/mol (300 K) 54.0 W/mK (0 °C) 147 nΩm 4, 3, 2 (weakly basic oxide) 1.3 1st: 587 kJ/mol 206±6 pm face centered cubic paramagnetic (20 °C) 2490 m/s (25 °C) 11.0 µm/mK 179 pm 79 GPa 31 GPa 54 GPa 3 0.27 350 MPa 400 MPa 101 Ti Titanium 22 4 4 Transition metal 7440-32-6 47.867(1) g/m transition metal 4, 4, d 47.867(1) g·mol−1 [Ar] 3d2 4s2 2, 8, 10, 2 solid 4.506 g/cc 4.11 g/cc 1941 K, 1668 °C, 3034 °F 3560 K, 3287 °C, 5949 °F (25 °C) 25.060 J/molK 14.15 kJ/mol 425 kJ/mol (300 K) 21.9 W/mK (20 °C) 0.420 µΩm 4, 3, 2, 1 (amphoteric oxide) 1.54 1st: 658.8 kJ/mol 160±8 pm hexagonal paramagnetic (r.t.) 5,090 m·s−1 (25 °C) 8.6 µm/mK 147 pm 116 GPa 44 GPa 110 GPa 6 0.32 970 MPa 716 MPa 102 Tl Thallium 81 6 13 Poor metal 7440-28-0 204.3833(2) g/m poor metals 204.3833(2) g·mol−1 [Xe] 4f14 5d10 6s2 6p1 2, 8, 18, 32, 18, 3 silvery white solid 11.85 g/cc 11.22 g/cc 577 K (304 °C, 579 °F) 1746 K (1473 °C, 2683 °F) (25 °C) 26.32 J/molK 4.14 kJ/mol 165 kJ/mol (300 K) 46.1 W/mK (20 °C) 0.18 µ Ωm 3, 1 (mildly basic oxide) 1.62 1st: 589.4 kJ/mol 170±8 pm 196 pm hexagonal diamagnetic (20 °C) 818 m/s (25 °C) 29.9 µm/mK 170 pm 8 GPa 2.8 GPa 43 GPa 1.2 0.45 26.4 MPa 103 Tm Thulium 69 6 Lanthanoid 7440-30-4 168.93421(2) g/m lanthanides 168.93421(2) g·mol−1 [Xe] 4f13 6s2 2, 8, 18, 31, 8, 2 silvery gray solid 9.32 g/cc 8.56 g/cc 1818 K (1545 °C, 2813 °F) 2223 K (1950 °C, 3542 °F) (25 °C) 27.03 J/molK 16.84 kJ/mol 247 kJ/mol (300 K) 16.9 W/mK (r.t.) (poly) 676 nΩm 2, 3, 4 (basic oxide) 1.25 1st: 596.7 kJ/mol 190±10 pm hexagonal paramagnetic at 300 K (r.t.) (poly) 13.3 µm/(m·K) 176 pm 74.0 GPa 30.5 GPa 44.5 GPa 0.213 520 MPa 471 MPa 104 U Uranium 92 7 Actinoid 7440-61-1 238.02891(3) g/m actinide n/a, 7, f 238.02891(3) g·mol−1 [Rn] 5f3 6d1 7s2 2, 8, 18, 32, 21, 9, 2 solid 19.1 g/cc 17.3 g/cc 1405.3 K, 1132.2 °C, 2070 °F 4404 K, 4131 °C, 7468 °F (25 °C) 27.665 J/molK 9.14 kJ/mol 417.1 kJ/mol (300 K) 27.5 W/mK (0 °C) 0.280 µΩm 6, 5, 4, 3 (weakly basic oxide) 1.38 1st: 597.6 kJ/mol 196±7 pm 186 pm orthorhombic paramagnetic (20 °C) 3155 m/s (25 °C) 13.9 µm/mK 156 pm 208 GPa 111 GPa 100 GPa 0.23 105 Uub Ununbium 112 7 12 Transition metal 54084-26-3 285 g/m transition metals [285] g·mol−1 [Rn] 5f14 6d10 7s2 2, 8, 18, 32, 32, 18, 2 unknown unknown 106 Uuh Ununhexium 116 7 16 Poor metal 54100-71-9 293 g/m presumably poor metal [293] g·mol−1 [Rn] 5f14 6d10 7s2 7p4 2, 8, 18, 32, 32, 18, 6 107 Uuo Ununoctium 118 7 18 Noble gas 54144-19-3 294 g/m Unknown 18, 7, p (294) g·mol−1 [Rn] 5f14 6d10 7s2 7p6 2, 8, 18, 32, 32, 18, 8 Unknown (predicted) 13.65 g/cc (extrapolated) 320–380 K, 50–110 °C, 120–220 °F (extrapolated) 439 K, 6.8 MPa (extrapolated) 23.5 kJ/mol (extrapolated) 19.4 kJ/mol 0, +2, +4 1st: (calc.) 820–1130 kJ/mol (extrapolated) 230 pm Unknown (predicted) 152 pm 108 Uup Ununpentium 115 7 15 Poor metal 54085-64-2 291 g/m presumably poor metals [288] g·mol−1 [Rn] 5f14 6d10 7s2 7p3 2, 8, 18, 32, 32, 18, 5 109 Uuq Ununquadium 114 7 14 Poor metal 54085-16-4 289 g/m Unknown, suspected to be a noble gas [289] g·mol−1 [Rn] 5f14 6d10 7s2 7p2 2, 8, 18, 32, 32, 18, 4 unknown unknown 110 Uus Ununseptium 117 7 17 Halogen 87658-56-8 295 g/m Unknown Unknown g·mol−1 2,8,18,32,32,18,7 Unknown Unknown 111 Uut Ununtrium 113 7 13 Poor metal 54084-70-7 287 g/m presumably poor metals [284] g·mol−1 [Rn] 5f14 6d10 7s2 7p1 2, 8, 18, 32, 32, 18, 3 possibly light or dark element presumably a solid 112 V Vanadium 23 4 5 Transition metal 7440-62-2 50.9415(1) g/m transition metal 5, 4, d 50.9415(1) g·mol−1 [Ar] 3d3 4s2 2, 8, 11, 2 solid 6.0 g/cc 5.5 g/cc 2183 K, 1910 °C, 3470 °F 3680 K, 3407 °C, 6165 °F (25 °C) 24.89 J/molK 21.5 kJ/mol 459 kJ/mol (300 K) 30.7 W/mK (20 °C) 197 nΩm 5, 4, 3, 2, 1, -1 (amphoteric oxide) 1.63 1st: 650.9 kJ/mol 153±8 pm body-centered cubic paramagnetic (20 °C) 4560 m/s (25 °C) 8.4 µm/mK 134 pm 128 GPa 47 GPa 160 GPa 6.7 0.37 113 W Tungsten 74 6 6 Transition metal 7440-33-7 183.84(1) g/m transition metals 183.84 (1) g·mol−1 [Xe] 4f14 5d4 6s2 2, 8, 18, 32, 12, 2 grayish white, lustrous solid 19.25 g/cc 17.6 g/cc 3695 K (3422 °C, 6192 °F) 5828 K (5555 °C, 10031 °F) 13892 K, {{{mpa}}} MPa (25 °C) 24.27 J/molK 52.31 kJ/mol 806.7 kJ/mol (300 K) 173 W/mK (20 °C) 52.8 n Ωm 6, 5, 4, 3, 2, 1, 0, −1, -2 (mildly acidic oxide) 2.36 1st: 770 kJ/mol 162±7 pm body centered cubic paramagnetic (r.t.) (annealed) 4290 m·s−1 (25 °C) 4.5 µm/mK 139 pm 411 GPa 161 GPa 310 GPa 7.5 0.28 3430 MPa 2570 MPa 114 Xe Xenon 54 5 18 Noble gas 7440-63-3 131.293(6) g/m noble gases 18, 5, p 131.293(6) g·mol−1 [Kr] 5s2 4d10 5p6 2, 8, 18, 18, 8 gas 5.894 g/L (101.325 kPa) 161.4 K, −111.7 °C, −169.1 °F (101.325 kPa) 165.03 K, −108.12 °C, −162.62 °F 161.405 K (-112°C), 81.6 kPa 289.77 K, 5.841 MPa (100 kPa, 25 °C) 20.786 J/molK (101.325 kPa) 2.27 kJ/mol (101.325 kPa) 12.64 kJ/mol (300 K) 5.65x10-3 W/mK 0, +1, +2, +4, +6, +8 (rarely more than 0) (weakly acidic oxide) 2.6 1st: 1170.4 kJ/mol 140±9 pm 216 pm face-centered cubic diamagnetic (liquid) 1090 m/s; (gas) 169 m/s 115 Y Yttrium 39 5 3 Transition metal 7440-65-5 88.90585(2) g/m transition metals 88.90585(2) g·mol−1 [Kr] 4d1 5s2 2, 8, 18, 9, 2 silvery white solid 4.472 g/cc 4.24 g/cc 1799 K (1526 °C, 2779 °F) 3609 K (3336 °C, 6037 °F) (25 °C) 26.53 J/molK 11.42 kJ/mol 365 kJ/mol (300 K) 17.2 W/mK (r.t.) (α, poly) 596 nΩm 3, 2, 1 1.22 1st: 600 kJ/mol 190±7 pm hexagonal paramagnetic (20 °C) 3300 m/s (r.t.) (α, poly) 10.6 µm/(m·K) 180 pm 63.5 GPa 25.6 GPa 41.2 GPa 0.243 589 MPa 116 Yb Ytterbium 70 6 Lanthanoid 7440-64-4 173.054(5) g/m lanthanides 173.04(3) g·mol−1 [Xe] 4f14 6s2 2, 8, 18, 32, 8, 2 silvery white solid 6.90 g/cc 6.21 g/cc 1097 K (824 °C, 1515 °F) 1469 K (1196 °C, 2185 °F) (25 °C) 26.74 J/molK 7.66 kJ/mol 159 kJ/mol (300 K) 38.5 W/mK (r.t.) (β, poly) 0.250 µΩm 3, 2 (basic oxide) ? 1.1 1st: 603.4 kJ/mol 187±8 pm cubic face centered paramagnetic (20 °C) 1590 m/s (r.t.) (β, poly) 26.3 µm/(m·K) 176 pm (β form) 23.9 GPa (β form) 9.9 GPa (β form) 30.5 GPa (β form) 0.207 206 MPa 343 MPa 117 Zn Zinc 30 4 12 Transition metal 7440-66-6 65.38(2) g/m post-transition metal 12, 4, d 65.38(4) g·mol−1 [Ar] 3d10 4s2 2, 8, 18, 2 solid 7.14 g/cc 6.57 g/cc 692.68 K, 419.53 °C, 787.15 °F 1180 K, 907 °C, 1665 °F (25 °C) 25.470 J/molK 7.32 kJ/mol 123.6 kJ/mol (300 K) 116 W/mK (20 °C) 59.0 nΩm +2, +1, 0 (amphoteric oxide) 1.65 1st: 906.4 kJ/mol 122±4 pm 139 pm hexagonal diamagnetic (r.t.) (rolled) 3850 m·s−1 (25 °C) 30.2 µm/mK 134 pm 108 GPa 43 GPa 70 GPa 2.5 0.25 412 MPa 118 Zr Zirconium 40 5 4 Transition metal 7440-67-7 91.224(2) g/m transition metals 91.224(2) g·mol−1 [Kr] 4d2 5s2 2, 8, 18, 10, 2 silvery white solid 6.52 g/cc 5.8 g/cc 2128 K (1855 °C, 3371 °F) 4682 K (4409 °C, 7968 °F) (25 °C) 25.36 J/molK 14 kJ/mol 573 kJ/mol (300 K) 22.6 W/mK (20 °C) 421 n Ωm 4, 3, 2, 1, (amphoteric oxide) 1.33 1st: 640.1 kJ/mol 175±7 pm hexagonal close-packed paramagnetic (20 °C) 3800 m/s (25 °C) 5.7 µm/mK 160 pm 68 GPa 33 GPa 5 0.34 903 MPa 650 MPa   Materials and Chemical Elements idx Symbol Name CAS_Number Other_names Molecular_formula Coordination_geometry Crystal_structure Appearance Phase Molar_mass Rho Tmelt Tboil Kt Specific_heat_capacity Pvapor Eg_300K Mu_electron RefractiveIndex Spectral_data Dipole_moment Solubility_water Solubility Std _enthalpy_of_formation Standard_molar_entropy Anions Cations Autoignition temperature Flash_point Acidity Basicity Viscosity 1 (BiO)2CO3 bismuth(III) subcarbonate 5892-10-4 2 (NaPO3)6 sodium hexametaphosphate 10124-56-8 Calgon S; Glassy sodium; Graham's Salt; Hexasodium metaphosphate; Metaphosphoric acid, hexasodium salt (NaPO3)6 White, odorless, crystalline powder 611.77 g/mol 2.484 g/cc 550 °C 1500 °C soluble Trisodium phosphate Tetrasodium pyrophosphate Pentasodium triphosphate Non-flammable 3 (NbF5)4 niobium(V) fluoride 7783-68-8 4 (NH4)2SO4 ammonium sulfate 7783-20-2 ammonium sulfate (2:1) diammonium sulfate sulfuric acid diammonium salt mascagnite Actamaster Dolamin (NH4)2SO4 Fine white hygroscopic granules or crystals. 132.14 g/mol 1.769 g/cc (20 °C) 235-280 °C, 508-553 K, 455-536 °F (decomposes) 70.6 g/100 mL (0 °C) 74.4 g/100 mL (20 °C) 103.8 g/100 mL (100 °C)[1] insoluble in acetone, alcohol and ether Ammonium thiosulfate Ammonium sulfite Ammonium bisulfate Ammonium persulfate Sodium sulfate Potassium sulfate Non-flammable 5 (OsF5)4 osmium(V) fluoride 31576-40-6 6 Ag2C2 silver acetylide 7659-31-6 C2Ag2 white solid 239.76 g mol−1 120 °C soluble flammable 7 Ag2C2O4 silver oxalate 533-51-7 Silver Ethanedioate C2Ag2O4 white powder 303.75 5 g/cc 140 °C decomp. 3.270*10–3 g/100mL 8 Ag2Cl2 silver(II) dichloride 75763-82-5 9 Ag2CO3 silver carbonate 534-16-7 Silver(I)Carbonate Ag2CO3 yellow-yellow green 275.75 g/mol 6.077 g/cc, solid 210°C decomposes to Ag2O .0032 g/100 mL soluble in acids 10 Ag2Cr2O7 silver dichromate 7784-02-3 11 Ag2CrO4 silver chromate 7784-01-2 Ag2CrO4 brown-red powder 331.73 g/mol 5.625 g/cc 7.8x10-5 mol cm-3 soluble in nitric acid, ammonia, alkali cyanides and chromates [1] 12 Ag2F silver subfluoride 1302-01-8 Ag2F Bronze-colored crystals with green luster 234.734 g/mol 8.6 g/cc, solid 90 °C. decomposition 13 Ag2MoO4 silver molybdate 13765-74-7 Ag2MoO4 yellow crystals 375.67.77 g/mol 6.18 g/cc, solid 483 °C slightly soluble 14 Ag2O silver oxide 20667-12-3 Silver rust, Argentous oxide Ag2O cubic black/brown cubic crystals 231.735 g/mol 7.14 g/cc 280°C (decomposition) 65.9 J/molK[3] 0.0025 g/100 ml[1] soluble in acid, alkali insoluble in alcohol, ethanol [2] -31.1 kJ·mol-1 121.3 J/molK 15 Ag2S silver sulfide 21548-73-2 Ag2S orthogonal Black cubic crystal 247.8 g/mol 7.23 g/cc 1098 K (825 °C) (825 °C) 8.5−15g in 1L water soluble in nitric acid, sulfuric acids -32.6 kJ/mol 144.0 J/mol·K 16 Ag2Se silver selenide 1302-09-6 Naumannite Ag2Se 294.7 g/mol 8.216 g/cm³, solid 880 °C 17 Ag2SeO3 silver selenite 7784-05-6 Silver(I) selenite Ag2SeO3 crystalline needles 342.69 g/mol 5.930 g/cc 530°C decomposes above 550 °C slightly soluble soluble in acids 18 Ag2SeO4 silver selenate 7784-07-8 19 Ag2SO4 silver sulfate 10294-26-5 Sulfuric acid, disilver(1+) salt Ag2SO4 colourless crystals 311.799 g/mol 5.45 g/cc [1] 652 °C, 925 K, 1206 °F 1085 °C, 1358 K, 1985 °F 1.2 g/100 mL dissolves in nitric acid 20 Ag2Te silver telluride 12002-99-2 Hessite Ag2Te Monoclinic, mP12 grey-black crystals 341.3364 g/mol 8.318 g/cm³ 955 °C 21 Ag3Br2 silver dibromide 11078-32-3 22 Ag3Br3 silver tribromide 11078-33-4 23 Ag3Cl3 silver(III) trichloride 12444-96-1 24 Ag3I3 silver(III) triiodide 37375-12-5 25 Ag3PO4 silver phosphate 7784-09-0 26 Ag3SbS3 silver thioantimonate 15983-65-0 27 AgAlCl4 silver tetrachloroaluminate 27039-77-6 28 AgBr silver bromide 7785-23-1 bromargyrite bromyrite silver(I) bromide AgBr Pale yellow solid photosensitive 187.77 g/mol 6.473 g/cc, solid 432 °C 1502°C (decomposes) 270 J/kgK 2.5 eV 4000 cm2/V-s 2.253 14 μg/100 ml (20 °C) insoluble in alcohol, most acids sparingly soluble in ammonia soluble in alkali cyanide solutions −99.5 kJ/mol 107.1 J.K−1.mol−1 Silver(I) fluoride Silver chloride Silver iodide Copper(I) bromide Mercury(I) bromide 29 AgBrO3 silver bromate 7783-89-3 AgBrO3 white powder photosensitive 235.770 g/mol 5.206 g/cc 309 °C, 582 K, 588 °F 0.167 g/100 mL 30 AgC2H3O2 silver acetate 563-63-3 Acetic acid, silver (1+) salt AgC2H3O2 white to slightly grayish powder slightly acidic odor 166.91 g/mol 3.26 g/cc, solid decomposes at 220°C 1.02 g/100 g (20 °C) 31 AgCl silver chloride 7783-90-6 cerargyrite, chlorargyrite, horn silver AgCl halite White Solid 143.32 g mol−1 5.56 g.cm3 457 °C 1547 °C 2.071 520 μg/100 g at 50 °C insoluble in alcohol, dilute acid soluble in ammonia, concentrated sulfuric acid, alkali cyanide, NH4CO3, KBr, sodium thiosulfate −127.01 kJ mol−1 96.25 J mol−1 K−1 silver(I) fluoride, silver bromide, silver iodide 32 AgClO3 silver chlorate 7783-92-8 chloric acid silver salt AgClO3 white crystals 191.319 g/mol 4.443 g/cc, solid 230 °C 250 °C decomp. 33 AgClO4 silver perchlorate 7783-93-9 Perchloric acid, silver(1+) salt AgClO4 Colorless hygroscopic crystals 207.319 g/mol 2.806 g/cc 486 °C (decomp.) 5570 g/L 34 AgCN silver cyanide 506-64-9 Argentous cyanide CNAg linear hexagonal colorless, gray (impure) crystals 133.89 g/mol 3.95 g/cc 320 °C insoluble insoluble in alcohol, dilute acid soluble in concentrated ammonia, boiling nitric acid 35 AgF silver fluoride 7775-41-9 36 AgF2 silver difluoride 7775-41-9 silver difluoride AgF2 tetragonally elongated octahedral coordination orthorhombic white or grey crystalline powder, hygroscopic 145.865 g/mol 4.58 g/cc 690 °C (963 K) decomposes at 700 °C (973 K) Decomposes, violently silver(I,III) oxide copper(II) fluoride, palladium(II) fluoride, cadmium(II) fluoride 37 AgI silver iodide 7783-96-2 Silver(I) iodide AgI yellow, crystalline solid 234.77 g/mol 5.675 g/cc, solid 558 °C 1506 °C 3 × 10−7g/100mL (20 °C) -62.4 kJ/mol 38 AgIO3 silver iodate 7783-97-3 AgIO3 white crystals 282.77 g/mol 5.53 g/cm³, solid >200 °C insoluble silver iodide silver chlorate sodium iodate potassium iodate 39 AgMnO4 silver permanganate 7783-98-4 40 AgN3 silver azide 13863-88-2 AgN3 colourless solid 149.888 g/mol 4.42 g/cc, solid 250 °C, explosive decomp. 41 AgNO3 silver nitrate 7761-88-8 Nitric acid silver(1+) salt AgNO3 white solid 169.87 g mol−1 212 °C, 485 K, 414 °F 444 °C, 717 K, 831 °F (decomp.) very soluble soluble in ethanol and acetone 42 AgO silver(I,III) oxide 1301-96-8 silver peroxide, argentic oxide, silver suboxide, divasil AgO Ag2O.Ag2O3 grey-black powder diamagnetic 123.87 g/mol 7.48 g/cc <100 °C, decomposition .0027 g/100 mL soluble in alkalies 43 AgONC silver fulminate 5610-59-3 AgCNO 149.885 g mol−1 170 °C 44 AgReO4 silver perrhenate 7784-00-1 45 AgSNC silver thiocyanate 14104-20-2 46 Al(CHO2)3 aluminium formate 7360-53-4 47 Al(OH)3 aluminium hydroxide 21645-51-2 Aluminium(III) hydroxide, Hydrated alumina Al(OH)3 White amorphous powder. 78.00 g/mol 2.42 g/cm³, solid. 300 °C 0.0001 g/100 mL (20 °C) soluble in acids, alkalies, HCl, HSO4 None. Non-flammable. >7 48 Al2(SO4)3 aluminium sulfate 10043-01-3 Cake alum Filter alum Papermaker's alum Alunogenite Sulfuric acid, aluminum salt (3:2) Al2(SO4)3 monoclinic (hydrate) white crystalline solid hygroscopic Phase behaviour Solid, liquid, gas 342.15 g/mol (anhydrous) 648.41 g/mol (octadecahydrate) 2.672 g/cc (anhydrous) 1.62 g/cc (octadecahydrate) 770 °C (decomp, anhydrous) 86.5 °C (octadecahydrate) 1.47 [1] UV, IR, NMR, MS 31.2 g/100 mL (0 °C) 36.4 g/100 mL (20 °C) 89.0 g/100 mL (100 °C) slightly soluble in alcohol, dilute mineral acids Gallium sulfate Magnesium sulfate 3.3-3.6 49 Al2O3 aluminium oxide 1344-28-1 Al2O3 octahedral Trigonal, hR30, SpaceGroup = R-3c, No. 167 white solid Phase behaviour Solid, liquid, gas 101.9613 g/mol 3.95-4.1 g/cc 2072 °C [1] 2980 °C[2] nω=1.768 - 1.772 nε=1.760 - 1.763 Birefringence 0.008 UV, IR, NMR, MS insoluble −1675.7 kJ·mol−1 50.92 J·mol−1·K−1 aluminium hydroxide boron trioxide gallium oxide indium oxide thallium oxide non-flammable 50 Al2S3 aluminium sulfide 1302-81-4 Aluminum sulfide Al2S3 Trigonal, hP30, SpaceGroup = P61, No. 169 gray solid 150.158 g/mol 2.02 g/cc, solid 1100°C 1500°C (sublimes) decomposes 51 Al2Se3 aluminium selenide 1302-82-5 Aluminium(III) selenide Al2Se3 Monoclinic, mS20, SpaceGroup = Cc, No. 9 yellow to brown powder 290.84 g/mol 3.437 g/cc 960°C decomposes 52 AlAs aluminium arsenide 22831-42-1 AlAs Tetrahedral Zinc Blende orange crystals 101.9031 g/mol 3.81 g/cc 1740 °C 0.9 W/(cm*K) (300 K) 2.12 eV (indirect)[1] 200 cm2/(V*s) (300 K) 3 (infrared) 53 AlB2 aluminium boride 12041-50-8 54 AlBr3 aluminium bromide 7727-15-3 aluminium(III) bromide aluminium tribromide AlBr3 Al2Br6 white to pale yellow crystalline solid 266.72 g/mol 3.205 g/cc 97.8 °C 265 °C reacts slightly soluble in methanol, diethyl ether, acetone aluminium trichloride aluminium triiodide boron tribromide 55 AlBr3-6H2O aluminium bromide hexahydrate 7784-11-4 56 AlCl3 aluminium chloride 7446-70-0 aluminum trichloride AlCl3 Octahedral (solid) Tetrahedral (liquid) Monoclinic, mS16 white or pale yellow solid, hygroscopic Phase behaviour Solid, liquid, gas 133.34 g/mol (anhydrous) 241.43 g/mol (hexahydrate) 2.48 g/cc (anhydrous) 1.3 g/cc (hexahydrate) 192.4 °C *anhydrous) 0 °C (hexahydrate) 120 °C (hexahydrate) UV, IR, NMR, MS 43.9 g/100 ml (0 °C) 44.9 g/100 ml (10 °C) 45.8 g/100 ml (20 °C) 46.6 g/100 ml (30 °C) 47.3 g/100 ml (40 °C) 48.1 g/100 ml (60 °C) 48.6 g/100 ml (80 °C) 49 g/100 ml (100 °C) soluble in hydrogen chloride, ethanol, chloroform, carbon tetrachloride slightly soluble in benzene Aluminium fluoride Aluminium bromide Aluminium iodide Boron trichloride Gallium trichloride Indium(III) chloride Thallium(III) chloride Magnesium chloride 57 AlCl3-6H2O aluminium chloride hexahydrate 7784-13-6 58 AlF3 aluminium fluoride 7784-18-1 Aluminium(III) fluoride Aluminum trifluoride AlF3 Rhombohedral, hR24 white, crystalline solid odorless 83.9767 g/mol (anhydrous) 101.022 g/mol (monohydrate) 138.023 (trihydrate) 2.88 g/cm (anhydrous) 2.1 g/cc (monohydrate) 1.914 g/cc (trihydrate) 1291 °C (anhydrous) 0.56 g/100 mL (0 °C) 0.67 g/100 mL (20 °C) 1.72 g/100 mL (100 °C) 59 AlI3 aluminium iodide 7784-23-8 Aluminium(III) iodide Aluminium triiodide Aluminum iodide Aluminum triiodide AlI3 colorless powder but impure samples are often brown 407.69495 g/mol (anhydrous) 515.786 g/mol (hexahydrate) 3.98 g/cc (anhydrous) 2.63 g/cc (hexahydrate) 189.4 °C (anhydrous) 185 °C, decomp. (hexahydrate) 360 °C, sublimes reacts violently (anhydrous) soluble (hexahydrate) 60 AlN aluminium nitride 24304-00-5 Aluminum nitride AlN Tetrahedral Wurtzite white to pale-yellow solid 40.9882 g/mol 3.260 g/cc 2200 °C 2517 °C (decomp) 285 W/m·K 740 J Kg-1 K-1 6.2 eV (direct) 300 cm2/(V*s) 1.9-2.2 decomposes 61 AlP aluminium phosphide 20859-73-8 Aluminium(III) phosphide Aluminium monophosphide Phostoxin Fumitoxin AlP yellow or gray crystals 57.9552 g/mol 2.85 g/cm³, solid 2530 °C 2.5 eV (indirect)[1] 2.75 (IR), ~3 (Vis) [1] reacts >800 °C 62 AlPO4 aluminium phosphate 7784-30-7 Aluminium monophosphate Phosphoric acid, aluminum salt (1:1) AlPO4 white, crystalline powder 121.9529 g/mol 2.566 g/cc, solid 1800 °C decomposes 1.546 [1] insoluble very slightly soluble in HCl and HNO3 63 AlSb aluminium antimonide 25152-52-7 AlSb black crystals 148.742 g/mol 4.26 g/cc 1060 °C 2467 °C 1.58 eV 3.3 insoluble 590 °C 64 As2H4 diarsenic tetrahydride 15942-63-9 65 As2I4 arsenic diiodide 13770-56-4 66 As2O3 arsenic trioxide 1327-53-3 Arsenic(III) oxide, Arsenic sesquioxide, Arsenicum album, Arseneous oxide, Arseneous anhydride, White arsenic[1] As2O3 cubic (α)<180°C monoclinic (β) >180°C White solid Phase behaviour Solid, liquid, gas 197.841 g/mol 3.74 g/cc 312.3°C 465°C UV, IR, NMR, MS Zero 2 g/100 ml (25°C) see text soluble in dilute acids and alkalies, practically insoluble in organic solvents [2] −657.4 kJ/mol ? J.K–1.mol–1 Arsenic trisulfide Phosphorus trioxide Antimony trioxide 9.2 67 As2O5 arsenic pentoxide 1303-28-2 Arsenic(V) oxide Arsenic oxide Arsenic anhydride As2O5 white hygroscopic powder 229.8402 g/mol 4.32 g/cc 315 °C (decomposes) 59.5 g/100 mL (0 °C) 65.8 g/100 mL (20 °C) 8.20 g/100 mL (100 °C) soluble in alcohol Phosphorus pentoxide Antimony pentoxide 7 68 As2P2 arsenic diphosphide 12512-03-7 69 As2S3 arsenic trisulfide 1303-33-9 Arsenic(III) sulfide Orpiment As2S3 yellow-orange powder or crystals 246.041 g/mol 3.43 g/cc, solid 310 °C 707 °C insoluble As2O3 P4S6 70 As2S4 arsenic tetrasulfide 1303-32-8 71 As2S5 arsenic pentasulfide 1303-34-0 Arsenic(V) sulfide diarsenic pentasulfide As2S5 yellow-brown glassy solid 310.14 g/mol 300 °C 500 °C (decomp) 0.0014 g/100 mL (0 °C) dissolves in nitric acid arsenic pentoxide phosphorus pentasulfide 72 As2Se arsenic hemiselenide 1303-35-1 73 As2Se3 arsenic triselenide 1303-36-2 Arsenic(III) selenide As2Se3 Monoclinic, mP20, SpaceGroup = P21/c, No. 14 mP20 P21/c 14 brown-black powder 386.72 g/mol 4.75 g/cc 260 °C insoluble diarsenic trioxide, diarsenic trisulfide, arsenic tribromide, arsenic(III) telluride antimony(III) selenide 74 As2Se5 arsenic pentaselenide 1303-37-3 75 As2Te3 arsenic tritelluride 12044-54-1 76 As3O4 arsenic tetraoxide 83527-53-1 77 As3P arsenic triphosphide 12512-11-7 78 As4S4 tetraarsenic tetrasulfide 12279-90-2 79 AsBr3 arsenic tribromide 7784-33-0 Arsenic(III) bromide AsBr3 white to pale yellow crystalline solid 314.634 g/mol 3.40 g/cc 31.1 °C 221 °C 2.3 decompose 80 AsBrO arsenic oxybromide 82868-10-8 81 AsCl3 arsenic trichloride 7784-34-1 Arsenic(III) chloride, Arsenous trichloride, Butter of arsenic, de Valagin's solution[1] AsCl3 colourless liquid 181.28 g/mol 2.163 g/cc, liquid -16.2 °C, 257 K, 3 °F 130.2 °C, 403 K, 266 °F 1.6006 decomposes soluble in alcohol, ether, HCl, HBr 9.77 x 10-6 Pa s 82 AsCl3O arsenic oxychloride 60646-36-8 83 AsCl5 arsenic pentachloride 22441-45-8 AsCl5 252.1866 g/mol 84 AsF3 arsenic trifluoride 7784-35-2 Arsenic trifluoride AsF3 colorless liquid 131.9168 g/mol 2.666 g/cc[1] -8.5 ËÅ¡C 60.4 ËÅ¡C decomposes soluble in alcohol, ether, benzene and ammonia solution -305.0 kJ/mol 85 AsF5 arsenic pentafluoride 7784-36-3 Arsenic(V) fluoride, Arsorane, pentafluoro- AsF5 colorless gas 169.9136 g mol-1 2.138 g cm-3[1] -79.8 ËÅ¡C[1] -52.8 ËÅ¡C[1] arsenic pentoxide, arsenic pentachloride 86 AsH3 arsenic trihydride 7784-42-1 Arseniuretted hydrogen, Arsenous hydride, hydrogen arsenide AsH3 colourless gas Phase behaviour Solid, liquid, gas 77.95 g/mol 4.93 g/l, gas; 1.640 g/mL (−64 °C) −117 °C (157 K) −62.5 °C (210 K) UV, IR, NMR, MS 0.20 D 0.07 g/100 ml (25 °C) +66.4 kJ/mol 223 kJ.K−1.mol−1 flammable gas 87 AsI2 arsenic diiodide 13770-56-4 88 AsI3 arsenic triiodide 7784-45-4 Arsenic(III) iodide Arsenic iodide, Donovan's solution[1] AsI3 Rhombohedral, hR24, SpaceGroup = R-3, No. 148 orange-red crystalline solid 455.635 g/mol 4.69 g/cc 146 °C 403 °C 2.23 6 g/100 mL soluble in alcohol, ether, CS2 89 AsO arsenic monoxide 12005-99-1 90 AsO2 arsenic dioxide 12255-12-8 91 AsP arsenic monophosphide 12255-33-3 92 AsP3 arsenic phosphide 12511-95-4 93 AsSe4 arsenic tetraselenide 12006-06-3 94 Au(OH)3 gold(III) hydroxide 1303-52-2 95 Au2(SeO4)3 gold(III) selenate 10294-32-3 96 Au2O3 gold(III) oxide 1303-58-8 Au2O3 Orthorombic, oF40, SpaceGroup = Fdd2, No. 43[1] red-brown solid 441.93 11.34 g/cc at 20 °C[1] decomposes at 160 °C insoluble in water, soluble in hydrochloric and nitric acid 97 Au2S gold(I) sulfide 1303-60-2 98 Au2S3 gold(III) sulfide 1303-61-3 99 Au2Se3 gold(III) selenide 1303-62-4 100 Au4Cl8 gold(I,III) chloride 62792-24-9 Gold chloride; mixed gold chloride; tetragold octachloride Au4Cl8 black solid 1071.488 g/mol 101 Au4F8 gold(I,III) fluoride 14270-21-9 102 AuBr gold(I) bromide 10294-27-6 103 AuBr3 gold(III) bromide 10294-28-7 Auric bromide Gold bromide Gold(III) bromide Gold tribromide Digold hexabromide AuBr3 dark red to black crystalline 436.69 g/mol 97.5 °C 104 AuCl gold(I) chloride 10294-29-8 gold(I) chloride AuCl Tetragonal, tI16 yellow solid 232.423 g/mol 7.6 g/cc [1] 170 °C 298 °C (decomposes) very slightly soluble soluble in HCl, HBr 105 AuCl3 gold(III) chloride 13453-07-1 Auric chloride Gold trichloride AuCl3 (exists as Au2Cl6) Square planar monoclinic Golden, yellow crystals Phase behaviour Solid, liquid, gas 303.325 g/mol 4.7 g/cc 254 °C (527 K) (decomposes) UV, IR, NMR, MS 68 g/100 ml (cold) soluble in ether, slightly soluble in liquid ammonia Gold(III) fluoride Gold(III) bromide Gold(I) chloride Silver(I) chloride Platinum(II) chloride Mercury(II) chloride 106 AuCN gold(I) cyanide 506-65-0 107 AuF3 gold(III) fluoride 14720-21-9 gold trifluoride AuF3 Hexagonal, hP24 orange-yellow hexagonal crystals 253.962 g/mol 6.75 g/cc sublimes above 300°C -363.3 kJ/mol 108 AuF5 gold(V) fluoride 57542-85-5 gold pentafluoride AuF5 red unstable solid 291.959 g/mol 60 °C (Decomposes) Decomposes SbF5, BrF5, IF5 109 AuI gold(I) iodide 10294-31-2 110 AuI3 gold(III) iodide 31032-13-0 111 AuSe gold(II) selenide 23331-11-5 112 AuTe gold(II) telluride 37043-71-3 113 B2Cl4 diboron tetrachloride 13701-67-2 114 B2F4 diboron tetrafluoride 13965-73-6 B2F4 Colorless gas 97.616 g/mol 4.3 kg/m3 (gas) -56 °C, 217 K, -69 °F -34 °C, 239 K, -29 °F 115 B2H6 diboron hexahydride 19287-45-7 B2H6 Tetrahedral (for boron) colorless gas Phase behaviour Solid, liquid, gas 27.67 g/mol 1.18 g/100 mL (15 °C) 1.216 g/100 mL (25 °C) −165.5 °C, 108 K, -266 °F -92.4 °C, 181 K, -134 °F UV, IR, NMR, MS 0 D Reacts soluble in CS2, diglyme and ethyl acetate [1] 38 °C flammable gas 116 B2O3 diboron trioxide 1303-86-2 boron oxide, diboron trioxide, boron sesquioxide, boric oxide, boria, anhydric boric acid B2O3 white, glassy solid Phase behaviour Solid, liquid, gas 69.6182 g/mol 2.460 g/cc, liquid; 2.55 g/cc, trigonal; 3.11–3.146 g/cc, monoclinic 450 °C (trigonal) 510 °C (tetrahedral) 1680 °C UV, IR, NMR, MS 2.2 g/100 mL partially soluble in methanol ~ 4 117 B2S3 diboron trisulfide 12007-33-9 Boron trisulfide B2S3 B: planar, sp2 monoclinic, mP40, SpaceGroup = P21/c, No. 14 colorless crystals 117.80 g/mol 1.55 g/cc, solid 563 °C decomposes at high T decomposes 118 B4C boron carbide 12069-32-8 Tetrabor B4-C B4C Black Diamond B4C Rhombohedral dark gray or black powder, odorless 55.255 g/mol 2.52 g/cc, solid. 2350 °C, 2623 K, 4262 °F 3500 °C, 3773 K, 6332 °F insoluble 6-7 (20 °C) 119 B4H10 boron decahydride 18283-93-7 decaborane decaboron tetradecahydride White crystals 122.221 g/mol 99.6 °C 213°C 149 °C 120 Ba(AsO3)2 barium arsenite 125687-68-5 121 Ba(AsO4)2 barium arsenate 56997-31-0 122 Ba(C18H35O2)2 barium stearate 6865-35-6 123 Ba(C2H3O2)2 barium acetate 543-80-6 Barium diacetate Ba(CH3COO)2 White solid 255.4 2.47g/cc Decomposes N/A 55.8g/100g of water at 0°C 124 Ba(CHO2)2 barium formate 541-43-5 125 Ba(ClO3)2 barium chlorate 13477-00-4 Chloric acid barium salt Ba(ClO3)2 white solid 304.23 g/mol 3.18 g/cc, solid 414 °C 27.5 g/ml (20 °C) 126 Ba(ClO4)2 barium perchlorate 13465-95-7 127 Ba(CN)2 barium cyanide 542-62-1 128 Ba(HS)2 barium hyrdosulfide 25417-81-6 129 Ba(MnO4)2 barium permanganate 7787-36-2 130 Ba(NbO3)2 barium niobate 12009-14-2 131 Ba(NO2)2 barium nitrite 13465-94-6 132 Ba(NO3)2 barium nitrate 10022-31-8 Barium dinitrate, , barium salt Ba(NO3)2 white crystals Phase behaviour Solid, liquid, gas 261.37 g/mol 3.24 g/cc 590 °C (decomp.) UV, IR, NMR, MS 4.95 g/100 mL (0 °C) 10.5 g/100 mL (25 °C) 34.4 g/100 mL (100 °C) insoluble in alcohol 133 Ba(OH)2 barium hydroxide 17194-00-2 Ba(OH)2 octahedral white solid Phase behaviour Solid, liquid, gas 171.34 g/mol (anhydrous) 189.39 g/mol (monohydrate) 315.46 g/mol (octahydrate) 3.743 g/cc (monohydrate) 2.18 g/cc (octahydrate, 16 °C) 78 °C (octahydrate) 407 °C (anhydrous) 780 °C 1.50 (octahydrate) UV, IR, NMR, MS octahydrate: 1.67 g/100 mL (0 °C) 3.89 g/100 mL (20 °C) 11.7 g/100 mL (50 °C) −944.7 kJ/mol Barium oxide Barium peroxide Calcium hydroxide Strontium hydroxide non-flammable -2.02 134 Ba(PO3)2 barium metaphosphate 13466-20-1 135 Ba(ReO4)2 barium perrhenate 13768-52-0 136 Ba(SCN)2 barium thiocyanate 2092-17-3 137 Ba(VO3)2 barium vanadate 22652-39-7 138 Ba2P2O7 barium pyrophosphate 13466-21-2 139 Ba3(CrO4)2 barium dichromate 12345-14-1 140 Ba3(VO4)2 barium orthovanadate 39416-30-3 141 Ba3N2 barium nitride 12047-79-9 142 BaAl2O4 barium aluminate 12004-04-5 143 BaB6 barium boride 12046-08-1 144 BaBr2 barium bromide 10553-31-8 BaBr2 (anhydrous) BaBr2·2H2O (dihydrate) orthorhombic, oP12, SpaceGroup = Pnma, No. 62 White solid 297.14 g/mol 4.78 g/cc (anhydrous) 3.58 g/cc (dihydrate) 857 °C 1835 °C 92.2 g/100 mL (0°C) −181.1 kcal/mol Barium fluoride Barium chloride Barium iodide Calcium bromide Strontium bromide Lead bromide 145 BaBr2-2H2O barium bromide dihydrate 7791-28-8 146 BaC2 barium carbide 50813-65-5 147 BaC2O4 barium oxalate 516-02-9 BaC2O4 225.34 g/mol 2.658 g/cc 400 °C (decomp) 9.290e-3 g/100mL 148 BaC4H4O6 barium tartrate 5908-81-6 149 BaCl2 barium chloride 10361-37-2 150 BaCl2-2H2O barium chloride dihydrate 10326-27-9 151 BaCO3 barium carbonate 513-77-9 Witherite BaCO3 white crystals 197.34 g/mol 4.286 g/cc 811 °C 1360 °C (decomp) 1.6 0.0024 g/100 mL (20 °C) soluble in HCl, HNO3, ammonia, ethanol insoluble in H2SO4 Magnesium carbonate Calcium carbonate Strontium carbonate Non-flammable 152 BaCrO4 barium chromate 10294-40-3 Barium chromate oxide, Chromic acid, (H2CrO4), barium salt (1:1) BaCrO4 yellow powder 253.37 g/mol 4.498 g/cc decomposes 0.0002775 g/100 mL (20 °C) 153 BaF2 barium fluoride 7787-32-8 BaF2 Fluorite (cubic), cF12 white cubic crystals 175.34 g/mol 4.893 g/cc 1368 °C 2260 °C 0.16 g/100 mL (20 °C) soluble in methanol, ethanol Barium chloride Barium bromide Barium iodide Calcium fluoride Strontium fluoride Non-flammable 154 BaH2 barium hydride 13477-09-3 155 BaHgI4 barium tetraiodomercurate 10048-99-4 156 BaI2 barium iodide 13718-50-8 Barium iodide, anhydrous BaI2 (anhydrous) BaI2·2H2O (dihydrate) Orthorhombic, oP12, SpaceGroup = Pnma, No. 62 White orthorhombic crystals (anhydrous) colorless crystals (dihydrate) 391.136 g/mol (anhydrous) 427.167 g/mol (dihydrate) 5.15 g/cc (anhydrous) 5.0 g/cc (dihydrate) 711°C (anhydrous) decomposes at 740°C (dihydrate) 221 g/100 mL soluble in ethanol, acetone -602.1 kJ·mol-1 barium fluoride barium chloride barium bromide calcium iodide magnesium chloride strontium bromide 157 BaI2-2H2O barium iodide dihydrate 7787-33-9 158 BaMnO4 barium manganate 7787-35-1 159 BaMoO4 barium molybdate 7787-37-3 160 BaN6 barium azide 18810-58-7 161 BaO barium oxide 1304-28-5 Barium monoxide Barium protoxide Calcined baryta BaO Octahedral cubic, cF8 white solid Phase behaviour Solid, liquid, gas 153.33 g/mol 5.72 g/cc, solid 1923 °C ~2000 °C UV, IR, NMR, MS 3.48 g/100 mL (20 °C) 90.8 g/100 mL (100 °C) soluble in ethanol, dilute mineral acids and alkalies; insoluble in acetone and liquid ammonia Barium hydroxide Barium peroxide Calcium oxide Strontium oxide non-flammable 162 BaO2 barium peroxide 1304-29-6 Barium binoxide, Barium dioxide, Barium superoxide BaO2 6 Tetragonal [2] Grey-white crystalline solid 169.33 g/mol 5.68 g/cc 450 °C (723 K) 800 °C (1073 K) (decomp. to BaO & O2) insoluble [1] 163 BAs boron arsenide 12005-69-5 Bologna stone BaS Octahedral (Ba2+); octahedral (S2–) Halite (cubic), cF8 169.39 g/mol 4.25 g/cc [1] 1200 °C decomposes 2.155 2.88 g/cc (0 °C) 7.68 g/cc (20 °C) 60.3 g/100 mL (100 °C) insoluble in alcohol Barium oxide Magnesium sulfide Calcium sulfide Strontium sulfide 164 BaS barium sulfide 21109-95-5 Bologna stone BaS Octahedral (Ba2+); octahedral (S2–) Halite (cubic), cF8 169.39 g/mol 4.25 g/cc [1] 1200 °C decomposes 2.155 2.88 g/cc (0 °C) 7.68 g/cc (20 °C) 60.3 g/100 mL (100 °C) insoluble in alcohol Barium oxide Magnesium sulfide Calcium sulfide Strontium sulfide 165 BaS2O3 barium thiosulfate 35112-53-9 166 BaSe barium selenide 1304-39-8 167 BaSeO3 barium selenite 13718-59-7 168 BaSeO4 barium selenate 7787-41-9 169 BaSi2 barium silicide 1304-40-1 170 BaSi2O5 barium disilicate 12650-28-1 171 BaSiF6 barium hexafluorosilicate 17125-80-3 172 BaSiO3 barium metasilicate 13255-26-0 173 BaSnO3 barium stannate 12009-18-6 174 BaSO3 barium sulfite 7787-39-5 BaSO3 white monoclinic crystals 217.391 g/mol 4.44 g/cc decomposes 0.0011 g/100 mL insoluble in ethanol[1] Barium sulfate Barium fluoride Barium chloride Barium bromide Barium iodide Calcium sulfite Magnesium sulfite 175 BAsO4 boron arsenate 13510-31-1 BaSO4 white crystalline 233.43 g/mol 4.50 g/cc 1580 °C 1600 °C (decomp) 1.64 0.0002448 g/100 mL (20°C) 0.000285 g/100 mL (30 °C) soluble in alcohol, concentrated sulfuric acid 176 BaSO4 barium sulfate 7727-43-7 BaSO4 white crystalline 233.43 g/mol 4.50 g/cc 1580 °C 1600 °C (decomp) 1.64 0.0002448 g/100 mL (20°C) 0.000285 g/100 mL (30 °C) soluble in alcohol, concentrated sulfuric acid 177 BaTiO3 barium titanate 12047-27-7 BaTiO3 Cubic, cP5, SpaceGroup = Pm-3m, No. 221 white crystals 233.192 g/mol 6.02 g/cc, solid 1625 °C insoluble slightly soluble in dilute mineral acids; dissolves in concentrated sulfuric acid and hydrofluoric acid 178 BaWO4 barium tungstate 7787-42-0 179 BaZrO3 barium zirconate 12009-21-1 180 BBr3 boron tribromide 10294-33-4 Tribromoborane BBr3 colorless to amber liquid 250.52 g/mol 2.643 g/cc −46.3 °C, 227 K, -51 °F 91.3 °C, 364 K, 196 °F 0.2706 J/K 7.2 kPa (20 °C) 1.00207 reacts violently -0.8207 kJ/g -18 °C 181 BCl3 boron trichloride 10294-34-5 Boron(III) chloride BCl3 Colorless gas, fumes in air 117.17 g/mol 1.326 g/cc -107.3 °C 12.6 °C [1] 1.00139 zero decomp. decomposes in ethanol soluble in CCl4 Boron trifluoride Boron tribromide Boron triiodide Aluminium chloride Gallium chloride -17 °C 182 Be(BH4)2 beryllium borohydride 17440-85-6 183 Be(C2H3O2)2 beryllium acetate 543-81-7 184 Be(C5H7O2)2 beryllium acetylacetonate 10210-64-7 185 Be(CHO2)2 beryllium formate 1111-71-3 186 Be(NO3)2 beryllium nitrate 13597-99-4 187 Be(NO3)2-3H2O beryllium nitrate trihydrate 7787-55-5 188 Be(NO3)2-4H2O beryllium nitrate tetrahydrate 13510-48-0 189 Be(OH)2 beryllium hydroxide 13327-32-7 Hydrated beryllia Be(OH)2 White solid. 43.02678 g/mol 1.92 g/cc [1] Decomposes at 1000°C. NA 1.443 J/K negligible soluble in acids -20.98 kJ/g 190 Be2C beryllium carbide 506-66-1 191 Be2SiO4 beryllium silicate 13598-00-0 192 Be3(PO4)2 beryllium phosphate 13598-15-7 193 Be3N2 beryllium nitride 1304-54-7 Be3N2 Cubic, cI80, SpaceGroup = Ia-3, No. 106 (α form) yellow or white powder 55.06 g/mol 2.71 g/cc 2200 °C 2240 °C (decomp) soluble 194 BeAl2O4 beryllium aluminate 120041-06-7 195 BeB2 beryllium boride 12228-40-9 196 BeBr2 beryllium bromide 7787-46-4 BeBr2 Orthorhombic colorless white crystals 168.820 g/mol 3.465 g/cc (20 °C) 508°C (473°C sublimes) 520°C[1] 0.4111 J/g K Highly[1] -2.094 kJ/g 9.5395 J/K Beryllium fluoride Beryllium chloride Beryllium iodide Magnesium bromide Calcium bromide 197 BeCl2 beryllium chloride 7787-47-5 BeCl2 White or yellow crystals 79.9182 g/mol 1.899 g/cc, solid 399 °C, 672 K, 750 °F 482 °C, 755 K, 900 °F 7.808 J/K 15.1 g/100 mL (20°C) soluble in alcohol, ether and pyridine insoluble in benzene, chloroform, acetone and ammonia -6.136 kJ/g 198 BeF2 beryllium fluoride 7787-49-7 BeF2 colorless lumps 47.01 g/mol hygroscopic 1.986 g/cc 554 °C, 827 K, 1029 °F 1169 °C, 1442 K, 2136 °F ([1]) 1.102 J/K very soluble sparingly soluble in alcohol -21.84 kJ/g non-flammable 199 BeH2 beryllium hydride 7787-52-2 BeH2 amorphous white solid[1] 11.03 g mol−1 0.65 g/cc 250 °C with decomp.[1] decomposes lithium hydride, calcium hydride, boron hydrides 200 BeI2 beryllium iodide 7787-53-3 BeI2 colorless needle-like crystals 262.821 g/mol 4.325 g/cm³ 480°C 590°C[1] 0.2705 J/K Reacts violently with water[1] Slightly soluble in CS2 Soluble in ethanol[2] -0.7324 kJ/g Beryllium fluoride Beryllium chloride Beryllium bromide Magnesium iodide Calcium iodide 201 BeO beryllium oxide 1304-56-9 Beryllia, Thermalox, Berlox, Super beryllia, Beryllia ceramic, Bromellite BeO white solid Phase behaviour Solid, liquid, gas 25.0116 g/mol 3.02 g/cc [1] 2507 °C 3900 °C UV, IR, NMR, MS soluble (powder) Beryllium sulfide Beryllium selenide Beryllium telluride Magnesium oxide Calcium oxide Non-flammable 202 BeS beryllium sulfide 13598-22-6 203 BeSe beryllium selenide 12232-25-6 204 BeSO4 beryllium sulfate 13510-49-1 BeSO4 white solid 105.075 g/mol (anhydrous) 177.136 g/mol (tetrahydrate) 2.50 g/cc (anhydrous) 1.71 g/cc (tetrahydrate) 1287 °C (anhydrous) 110 °C (tetrahydrate) 2500 °C (anhydrous) 580 °C (tetrahydrate) 1.4374 (tetrahydrate) 30.5 g/100 mL (30 °C) insoluble in alcohol 205 BeSO4-4H2O beryllium sulfate trihydrate 7787-56-6 206 BeTe beryllium telluride 12232-27-8 BeTe sphalerite, cF8, Space group = F-43m, No. 216 136.612 g/mol 5.1 g/cc 207 BF3 boron trifluoride 7637-07-2 BF3 colorless gas (anhydrous) colorless liquid (dihydrate) 67.82 g/mol (anhydrous) 103.837 g/mol (dihydrate) 2.178 g/cc (anhydrous) 1.64 g/cc (dihydrate) −126.8 °C −100.3 °C very soluble soluble in benzene, toluene, hexane, chloroform and methylene chloride non-flammable 208 Bi(CHO2)3 bismuth(III) formate 25573-24-4 209 Bi(OH)3 bismuth(III) hydroxide 10361-43-0 210 Bi2(C2O4)3 bismuth(III) oxalate 6591-55-5 211 Bi2(MoO4)3 bismuth(III) molybdate 51898-99-8 212 Bi2(SnO4)3 bismuth(III) stannate 7787-68-0 213 Bi2O3 bismuth(III) oxide 1304-76-3 Bismite Bi2O3 pseudo-octahedral monoclinic, mP20, Space group P21/c (No 14) yellow crystals or powder Phase behaviour Solid, liquid, gas 465.96 g/mol Bi=89.70%, O=10.30% 8.90 g/cc, solid 817°C [1] 1890°C UV, IR, NMR, MS insoluble soluble in acids Bismuth trisulfide Arsenic trioxide Antimony trioxide non-flammable 214 Bi2O4 bismuth(IV) peroxide 12048-50-9 215 Bi2S3 bismuth(III) sulfide 1345-07-9 Bismuth sulfide Dibismuth trisulfide Bi2S3 brown powder 514.16 g/mol 6.78 g/cc[1] 775 ËÅ¡C[2] insoluble soluble in acids 216 Bi2Se3 bismuth(III) selenide 12068-69-8 217 Bi2Te3 bismuth(III) telluride 1304-82-1 Bi2Te3 Trigonal, hR15, SpaceGroup = R-3m, No. 166 grey powder 800.761 g/mol 7.7 g/cc 585 C[1] 218 BI3 boron triiodide 13517-10-7 BI3 crystalline solid 391.52 g/mol 3.35 g/cc (50 °C) 49.9 °C, 323 K, 122 °F 210 °C, 483 K, 410 °F insoluble -18 °C 219 Bi4(TiO4)3 bismuth(III) titanate 12048-51-0 220 Bi5O(OH)9(NO3)4 bismuth(IV) subnitrate 1304-85-4 221 BiBr3 bismuth(III) bromide 7787-58-8 222 BiC6H5O7 bismuth(III) citrate 813-93-4 223 BiCl3 bismuth(III) chloride 7787-60-2 Bismuth trichloride, Trichlorobismuth, Trichlorobismuthine, Bismuth(III) chloride BiCl3 hygroscopic white to yellow crystals 315.34 g/mol 4.75 g/cc 227 °C, 500 K, 441 °F 447 °C, 720 K, 837 °F Decomposes to bismuth oxychloride soluble in methanol, diethyl ether, acetone bismuth fluoride, bismuth subsalicylate, bismuth trioxide iron(III) chloride, manganese(II) chloride, cobalt(II) chloride 224 BiF3 bismuth(III) fluoride 7787-61-3 Bismuth trifluoride BiF3 Orthorhombic, oP16, SpaceGroup = Pnma, No. 62 (β phase) grey-white powder 265g mol-1 5.32 g cm-3[1] 649ËÅ¡C[2] Insoluble in water[1] 225 BiF5 bismuth(V) fluoride 7787-62-4 bismuth(V) fluoride BiF5 octahedral Bi long white needles,[1] colourless crystalline solid[2] 303.97 g mol−1 5.40 g cm−3[1] 151.4 °C[2], 154.4 °C[1] 230 °C[1][2] bismuth trichloride, bismuth tribromide, bismuth triiodide, pentamethylbismuth phosphorus pentafluoride, arsenic pentafluoride, antimony pentafluoride 226 BiH3 bismuth(III) hydride 18288-22-7 227 BiI3 bismuth(III) iodide 7787-64-6 Bismuth iodide, bismuth triiodide BiI3 Trigonal, hR24 greenish-black crystals 589.69 g/mol 5.778 g/cc 408.6 °C 542 °C Norman, Nicholas C. (1998), Chemistry of Arsenic, Antimony and Bismuth, Springer, pp. 95, ISBN 075140389X, http://books.google.com/books?id=vVhpurkfeN4C&pg=PA187, retrieved 2008-06-03 0.0007761 g/100 mL (20 °C) 50 g/100 mL ethanol 50 g/100 mL 2M hydrochloric acid Bismuth(III) fluoride Bismuth(III) chloride Bismuth(III) bromide Nitrogen triiodide Phosphorus triiodide Antimony triiodide 228 BiNbO4 bismuth(III) orthoniobate 12272-28-5 229 BiOBr bismuth(III) oxybromide 7787-57-7 230 BiOCl bismuth(III) oxychloride 7787-59-9 231 BiOI bismuth(III) oxyiodide 7787-63-5 232 BiONO3 bismuth(III) oxynitrate 10361-46-3 233 BiPO4 bismuth(III) phosphate 10049-01-1 234 BiTaO4 bismuth(III) orthotantalate 12272-29-6 235 BiVO4 bismuth(III) vanadate 14059-33-7 236 Bk2O3 berkelium(III) oxide 12310-58-6 237 BkBr3 berkelium(III) bromide 22787-71-9 238 BkCl3 berkelium(III) chloride 13536-46-4 239 BkF3 berkelium(III) fluoride 20716-88-5 240 BkF4 berkelium(IV) fluoride 22422-27-1 241 BkI3 berkelium(III) iodide 23171-53-1 242 BkO berkelium(II) oxide 70424-36-1 243 BkO2 berkelium(IV) oxide 12010-84-3 244 BN boron nitride 10043-11-5 BN hexagonal, sphalerite, wurtzite white powder or translucent crystals (both c-BN and h-BN) 24.818 g/mol 3.4870 g/cc (cBN) 2973 °C (cBN) (sublimes) 200 cm2/(V·s) (cBN) 2.17 (cBN) insoluble insoluble in acids 476.98 kJ mol−1 14.77 J mol−1 K−1 BP, BAs B4C, B2O3 245 BP boron phosphide 20205-91-8 BP Tetrahedral Zinc Blende maroon powder 41.7855 g/mol 2.90 g/cc 1100 °C (decomposes) 4 W/(cm*K) (300 K) 2 eV (indirect) 5400 cm2/(V*s) (300 K) 3.05 (0.63 µm)[1] 246 BPO4 boron orthophosphate 13308-51-5 247 Br2O bromine dioxide 21308-80-5 BrO2 unstable yellow crystals 111.903 g/mol[1] decomposes around 0°C [2] Bromine monoxide Bromine trifluoride Bromine pentafluoride Oxygen difluoride Chlorine dioxide Iodine dioxide 248 BrCl bromine monochloride 13863-41-7 bromine(I) chloride bromochloride bromine chloride BrCl 115.357 g/mol 2.172 g/cm³ -66 °C 5 °C 249 BrF bromine monofluoride 13863-59-7 250 BrF3 bromine trifluoride 7787-71-5 BrF3 straw-coloured liquid hygroscopic Phase behaviour Solid, liquid, gas 136.90 g/mol 2.803 g/cc [1] 8.77 °C 125.72 °C UV, IR, NMR, MS 1.19 D decomposes Bromine monochloride Chlorine trifluoride Iodine trifluoride 251 BrF5 bromine pentafluoride 7789-30-2 BrF5 Pale yellow liquid Phase behaviour Solid, liquid, gas 174.894 g.mol−1 2.466 g/cc −61.30 °C 40.25 °C UV, IR, NMR, MS reacts Bromine monochloride Chlorine pentafluoride Iodine pentafluoride Non-flammable 252 BrN3 bromine azide 13973-87-0 253 BrO2 bromine monoxide 21255-83-4 254 Ca(AlH4)2 calcium tetrahydroaluminate 16941-10-9 255 Ca(C2H3O2)2 calcium acetate 62-54-4 Acetate of lime Calcium ethanoate C4H6CaO4 White solid 158.17 g mol−1 1.6 g/cc 160 °C (decomposition to acetone) 37.4 g/100 mL (0 °C) 34.7 g/100 mL (20 °C) 29.7 g/100 mL (100 °C) 680 - 730 °C 256 Ca(C2HO2)2 calcium fumarate 19855-56-2 257 Ca(C3H5O2)2 calcium propionate 4075-81-4 Calcium propionate Mycoban C6H10CaO4 White crystalline solid 186.22 Freely soluble 258 Ca(CHO2)2 calcium formate 544-17-2 formic acid calcium salt, calcoform Ca(HCOO)2 white powder 130.113 g/mol 2.02 g/cc decomposes at 300°C 16.1 g/100 mL (0 °C) 16.6 g/100 mL (20°C) 18.4 g/100 mL (100 °C) insoluble in ethanol Calcium acetate Sodium formate 259 Ca(ClO3)2 calcium chlorate 10137-74-3 Ca(ClO3)2 white solid 206.98 g/mol 2.71 g/cc 325 °C 209 g/100mL (20 °C) magnesium chlorate strontium chlorate barium chlorate 260 Ca(ClO4)2 calcium perchlorate 13477-36-6 261 Ca(CN)2 calcium cyanide 592-01-8 262 Ca(H2PO2)2 calcium hypophosphite 7789-79-9 263 Ca(IO3)2 calcium iodate 7789-80-2 Lautarite Ca(IO3)2 white solid 215.89 g/mol (anhydrous) 389.88 g/mol (monohydrate) 4.519 g/cc (monohydrate) 540 °C (monohydrate) decomposes 0.09 g/100 mL (0 °C) 0.24 g/100 mL (20 °C) non-flammable 264 Ca(MnO4)2 calcium permanganate 10118-76-0 Ca(MnO4)2 purple crystals 277.949 g/mol 2.49 g/cc 140 °C (decomp) soluble Sodium permanganate Ammonium permanganate 265 Ca(NO2)2 calcium nitrite 13780-06-8 266 Ca(NO3)2 calcium nitrate 10124-37-5 Kalksalpeter, nitrocalcite, Norwegian saltpeter, lime nitrate Ca(NO3)2 cubic (anhydrous) monoclinic (tetrahydrate) colourless 164.088 g/mol (anhydrous) 236.15 (tetrahydrate) 2.504 g/cc (anhydrous) 1.896 g/cc (tetrahydrate) 561 °C (anhydrous) 42.7 °C (tetrahydrate) decomposes (anhydrous) 132 °C (tetrahydrate) anhydrous: 121.2 g/100 mL (20 °C) 271.0 g/100 mL (40° C) tetrahydrate: 102 g/100 mL (0 °C) 129 g/100 mL (20 °C) 363 g/100 mL (100 °C) dissolves in alcohol and acetone Calcium sulfate Calcium chloride Magnesium nitrate Strontium nitrate Barium nitrate Non-flammable 267 Ca(OH)2 calcium hydroxide 1305-62-0 Slaked lime Milk of lime Calcium(II) hydroxide Pickling lime Ca(OH)2 soft white powder/colourless liquid Phase behaviour Solid, liquid, gas 74.093 g/mol 2.211 g/cc, solid 512 °C (decomp.) UV, IR, NMR, MS 0.189 g/100 mL (0 °C) 0.173 g/100 mL (20 °C) Magnesium hydroxide Strontium hydroxide Barium hydroxide Non-flammable 2.37 268 Ca2P2O7 calcium pyrophosphate 7790-76-3 Diphosphoric acid, calcium salt (1:2) Ca2O7P2 254.053 g/mol 3.09 g/cc 1230 °C insoluble Calcium phosphate Magnesium pyrophosphate Sodium pyrophosphate Non-flammable 269 Ca2SiO4 calcium silicate 1344-95-2 Calcium orthosilicate, silicic acid calcium salt, grammite, silene, micro-cell, belite Ca2SiO4 White or cream powder 116.16 g/mol 1540 °C, 1813 K, 2804 °F Not applicable 270 Ca3(AsO4)2 calcium arsenate 7778-44-1 Calcium orthoarsenate Cucumber dust Ca3As2O8 white powder 398.072 g/mol 3.620 g/cc, solid 1455°C (decomposes) 0.013 g/100 mL (25°C) 271 Ca3(C6H15O7)2 calcium citrate 5785-44-4 E333 Ca3(C6H5O7)2 White powder 498.46 g/mol (anhydrous) 570.5 g/mol (tetrahydrate) 1.63 g/cc, solid 120 °C (loses water) Decomposes 0.085 g/100 mL (18°C) 0.095 g/100 mL (25 °C) Sodium citrate 272 Ca3(PO4)2 calcium phosphate 7758-87-4 273 Ca3N2 calcium nitride 12013-82-0 tricalcium dinitride Ca3N2 Cubic, cI80 red-brown crystalline solid 148.25 g mol−1 2.670 g/cc 2.63 g/cc (17 °C) 1195 °C, 1468 K, 2183 °F decomposes 274 Ca3P2 calcium phosphide 1305-99-3 275 CaAl2O4 calcium aluminate 12042-68-1 276 CaB6 calcium boride 12007-99-7 Calcium boride CaB6 Cubic black powder 104.94 g/mol 2.45 g/cc 2235°C /2770 K insoluble 277 CaBr2 calcium bromide 7789-41-5 Calcium dibromide CaBr2 rhomboid Odorless, very hygroscopic colorless crystals sharp saline taste 199.89 g/mol (anhydrous) 235.98 g/mol (dihydrate) 3.353 g/cc 730 °C 1935 °C (anhydrous) 810 °C (dihydrate) 125 g/100 mL (0 °C) 143 g/100 ml (20°C) 312 g/100 mL (100 °C) 9 278 CaC2 calcium carbide 75-20-7 CaC2 6 Tetragonal [1] White powder to grey/black crystals 64.099 g/mol 2.22 g/cc 2160 °C, 2433 K, 3920 °F 2300 °C, 2573 K, 4172 °F decomposes 279 CaC2O4 calcium oxalate 563-72-4 CaC2O4 white solid 128.097 g/mol, anhydrous 146.112 g/mol, monohydrate 2.2 g/cm³, anhydrous 2.2 g/cm³, monohydrate 200°C, decomposes (monohydrate) 0.00067 g/100 ml (20 °C) 280 CaCl2 calcium chloride 10043-52-4 Calcium(II) chloride, Calcium dichloride, E509 CaCl2 octahedral, 6-coordinate Orthorhombic (deformed rutile), oP6 white solid Phase behaviour Solid, liquid, gas 110.98 g/mol (anhydrous) 128.999 g/mol (monohydrate) 147.014 g/mol (dihydrate) 183.045 g/mol (tetrahydrate) 219.08 g/mol (hexahydrate) 2.15 g/cc (anhydrous) 1.835 g/cc (dihydrate) 1.83 g/cc (tetrahydrate) 1.71 g/cc (hexahydrate) 772 °C (anhydrous) 260 °C (monohydrate) 176 °C (dihydrate) 45.5 °C (tetrahydrate) 30 °C (hexahydrate) [1] 1935 °C (anhydrous) UV, IR, NMR, MS 74.5 g/100mL (20 °C) 59.5 g/100 mL (0 °C) calcium fluoride calcium bromide calcium iodide magnesium chloride strontium chloride barium chloride 8-9 (anhydrous) 6.5-8.0 (hexahydrate) 281 CaCl2-6H2O calcium chloride hexahydrate 7774-34-7 282 CaCl2O2 calcium hypochlorite 7778-54-3 Hypochlorous acid, calcium salt Bleaching powder Ca(ClO)2 white/gray powder 142.985 g/mol 2.35 g/cc (20 °C) 100°C 175°C, decomposes 21 g/100 ml, reacts reacts in alcohol Calcium chloride Sodium hypochlorite Non-flammable 283 CaCN2 calcium cyanamide 156-62-7 Cyanamide calcium salt, Lime Nitrogen, UN 1403, Nitrolime CaCN2 White solid (Often gray or black from impurities) 80.102 g/mol 2.29 g/cc 1340 °C [1] 1150-1200 °C (sublim.) Reacts Non-flammable 284 CaCO3 calcium carbonate 471-34-1 Limestone; calcite; aragonite; chalk; marble CaCO3 Trigonal Fine white powder. 100.087 g/mol 2.71 g/cc (calcite) 2.83 g/cc (aragonite) 825 °C (calcite) 1339 °C (aragonite) decomposes 0.00015 mol/L (25°C) Calcium bicarbonate Magnesium carbonate Strontium carbonate Barium carbonate Non-flammable 285 CaCr2O7 calcium chromate 14307-33-6 Calcium chromate (VI) Calcium monochromate Calcium Chrome Yellow C. I. Pigment Yellow 33 Gelbin Yellow Ultramarine CaCrO4 monoclinic bright yellow powder 156.072 g/mol 3.12 g/cc 2710 °C 4.5 g/100 mL (0 °C) 2.25 g/100 mL (20 °C) 286 CaF2 calcium fluoride 7789-75-5 CaF2 Ca, 8, cubic F, 4, tetrahedral cubic crystal system, cF12[2] White crystalline solid (single crystals are transparent) 78.07 g mol−1 3.18 g/cc 1418 °C, 1691 K, 2584 °F 2533 °C, 2806 K, 4591 °F 1.4328 0.0015 g/100 mL (18 °C) 0.0016 g/100 mL (20 °C) Calcium chloride Calcium bromide Calcium iodide Magnesium fluoride Strontium fluoride Barium fluoride Non-flammable 287 CaH2 calcium hydride 7789-78-8 Calcium(II) hydride Calcium dihydride CaH2 Orthorhombic, oP12 gray powder (colourless when pure) 42.094 g/mol 1.70 g/cc, solid 816 °C reacts violently reacts in alcohol Sodium hydride, Potassium hydride 288 CaHPO4 calcium hydrogenorthophosphate 7757-93-9 289 CaI2 calcium iodide 10102-68-8 CaI2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 white solid 293.887 g/mol (anhydrous) 365.95 g/mol (tetrahydrate) 3.956 g/cm³[1] 779 °C (tetrahydrate) with decomposition 1100 °C 64.6 g/100 mL (0 °C) 66 g/100 mL (20 °C) 81 g/100 mL (100 °C) soluble in acetone and alcohols calcium fluoride calcium chloride calcium bromide magnesium iodide strontium iodide barium iodide 290 CaMoO4 calcium molybdate 7789-82-4 291 CaO calcium oxide 1305-78-8 Quicklime CaO White to pale yellow powder 56.077 g/mol 3.35 g/cc 2572 °C (2845 K) 2850 °C (3123 K) reacts Calcium sulfide Calcium hydroxide Beryllium oxide Magnesium oxide Strontium oxide Barium oxide Non-flammable 12.5 292 CaO2 calcium peroxide 1305-79-9 E930 CaO2 6 Tetragonal white to yellow powder 72.077 g/mol 2.91 g/cc ~200 °C insoluble Calcium oxide Strontium peroxide Barium peroxide Sodium peroxide 12.5 293 CaRe2O8 calcium perrhenate 13768-54-2 294 CaS calcium sulfide 20548-54-3 Calcium monosulfide, Hepar calcies, Sulfurated lime Oldhamite CaS Octahedral (Ca2+); octahedral (S2–) Halite (cubic), cF8 white crystals hygroscopic 72.143 g/mol 2.59 g/cc 2525 °C 2.137 slightly soluble insoluble in alcohol reacts with acid Calcium oxide Magnesium sulfide Strontium sulfide Barium sulfide 295 CaSe calcium selenide 1305-84-6 296 CaSi2 calcium silicide 12013-56-8 CaSi2 whitish grey - black solid 96.251 g/mol 2.5 g/cc 1020 °C insoluble 297 CaSiO3 calcium metasilicate 1344-95-2 298 CaSO4 calcium sulfate 7778-18-9 Plaster of Paris Drierite Gypsum CaSO4 orthorhombic white solid Phase behaviour Solid, liquid, gas 136.14 g/mol (anhydrous) 145.15 g/mol (hemihydrate) 172.172 g/mol (dihydrate) 2.96 g/cc (anhydrous) 2.32 g/cc (dihydrate) 1460 °C (anhydrous) UV, IR, NMR, MS 0.0021 g/100 mL (20 °C, anhydrous)[citation needed] 0.24 g/100mL (20 °C, dihydrate) -1434.5 kJ/mol Magnesium sulfate Strontium sulfate Barium sulfate Non-flammable 299 CaTe calcium telluride 12013-57-9 300 CaTiO3 calcium titanate 12049-50-2 CaTiO3 white powder 135.943 g/mol 3.98 g/cc 1975 °C 3000 °C insoluble 301 CaWO4 calcium tungstate 7790-75-2 302 Cd(C2H3O2)2 cadmium acetate 543-90-8 Cadmium diacetate Cd(CH3COO)2 (anhydrous) Cd(CH3COO)2·2H2O (dihydrate) colorless crystals (anhydrous) white crystals (dihydrate) 230.500 g/mol (anhydrous) 266.529 g/mol (dihydrate) 2.341 g/cc (anhydrous) 2.01 g/cc (dihydrate) 255 °C (anhydrous) decomposes at 130°C (dihydrate)[1] soluble in water, methanol, ethanol (anhydrous) very soluble in water, soluble in ethanol (dihydrate) Cadmium fluoride Cadmium chloride Cadmium bromide Cadmium iodide Zinc acetate Mercury(II) acetate Silver acetate 303 Cd(CN)2 cadmium cyanide 542-83-6 Cd(CN)2 white cubic crystals 164.45 g/mol 2.226 g/cc 1.71 g/100 mL (15 °C) 2.2 g/100 mL (20 °C) slightly soluble in alcohol dissolves in alkali, metal cyanides and hydroxides Cadmium chloride, Cadmium iodide Zinc cyanide, Calcium cyanide, Magnesium cyanide 304 Cd(IO3)2 cadmium iodate 7790-81-0 305 Cd(N3)2 cadmium azide 14215-29-3 306 Cd(NO3)2 cadmium nitrate 10325-94-7 Nitric acid, cadmium salt Cd(NO3)2 white crystals 236.42 g/mol 3.60 g/cc, solid 350 °C, 623 K, 662 °F 122 g/100 mL (0 °C) 136 g/100 mL (20 °C) soluble in acids Cadmium acetate, Cadmium chloride, Cadmium sulfate Zinc nitrate, Calcium nitrate, Magnesium nitrate 307 Cd(OH)2 cadmium hydroxide 21041-95-2 Cd(OH)2 hexagonal white crystals 146.43 g/mol 4.79 g/cc 130 °C 300 °C (decomp) 0.026 g/100 mL soluble in dilute acids Cadmium chloride, Cadmium iodide Zinc hydroxide, Calcium hydroxide, Magnesium hydroxide 308 Cd2Nb2O7 cadmium niobate 12187-14-3 309 Cd3As2 cadmium arsenide 12006-15-4 Cadmium diarsenide Cd3As2 solid, dark grey 487.08 g/mol 3.031 decomposes in water 310 Cd3N2 cadmium nitride 12380-95-9 311 Cd3P2 cadmium phosphide 1204-28-7 312 CdBr2 cadmium bromide 7789-42-6 Cadmium dibromide CdBr2 Rhombohedral, hr9, SpaceGroup = R-3m, No. 166 white to pale yellow crystalline solid 272.22 g/mol 5.192 g/cc, solid 568 °C 844 °C 56.3 g/100 mL (0 °C) 98.8 g/100 mL (20 °C) 160 g/100 mL (100 °C) soluble in alcohol, ether, acetone and liquid ammonia. Cadmium chloride, Cadmium iodide Zinc bromide, Calcium bromide, Magnesium bromide 313 CdC2O4 cadmium oxalate 814-88-0 314 CdCl2 cadmium chloride 10108-64-2 CdCl2 Rhombohedral, hr9, SpaceGroup = R-3m, No. 166 white solid, hygroscopic 183.32 g/mol 4.047 g/cc (solid) 564 °C 960 °C 100 g/100 mL (0 °C) 135 g/100 mL (20 °C) 147 g/100 mL (100 °C) soluble in acetone, alcohol insoluble in ether Cadmium fluoride Cadmium bromide Cadmium iodide Zinc chloride Mercury(II) chloride Calcium chloride 315 CdCO3 cadmium carbonate 513-78-0 316 CdCrO4 cadmium chromate 14312-00-6 317 CdF2 cadmium fluoride 7790-79-6 Cadmium(II) fluoride, Cadmium difluoride CdF2 Fluorite (cubic), cF12 grey or white-grey crystals 150.41 g/mol 6.33 g/cc, solid 1110 °C 1748 °C 4.35 g/100 mL soluble in acid insoluble in ethanol alcohol and liquid ammonia Cadmium chloride, Cadmium bromide Cadmium iodide Zinc fluoride, Calcium fluoride, Magnesium fluoride 318 CdI2 cadmium iodide 7790-80-9 Cadmium diiodide CdI2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 white to pale yellow crystals 366.22 g/mol 5.640 g/cc, solid 387 °C, 660 K, 729 °F 742 °C, 1015 K, 1368 °F 78.7 g/100 mL (0 °C) 84.7 g/100 mL (20 °C) 125 g/100 mL (100 °C) soluble in ethanol, acetone, ether and ammonia cadmium fluoride cadmium chloride cadmium bromide zinc iodide mercury(II) iodide 319 CdMoO4 cadmium molybdate 13972-68-4 320 CdO cadmium oxide 1306-19-0 Cadmium(II) oxide, Cadmium monoxide CdO face centered Cubic crystal system colorless powder (alpha form) red-brown crystal (beta form) [1] 128.41 g mol−1 8.150 g/cc(crystalline), 6.95 g/cc (amorphous)[2] solid. 900-1000 °C (decomposition of amorphous form[3]) 1559 °C (sublimation[3]) 0.7 W/m-K 531 cm2/V s insoluble Cadmium sulfide Cadmium selenide Cadmium telluride Zinc oxide Mercury oxide Non-flammable 321 CdS cadmium sulfide 1306-23-6 Cadmium(II) sulfide, Greenockite Hawleyite CdS Hexagonal, Cubic Yellow-orange solid. 144.46 g/mol 4.82 g/cc, solid. 1750 °C at 100 bar (10 MPa) 980 °C subl. 2.51 0.013 g/100 mL (20 °C) [1] Cadmium oxide Cadmium selenide Zinc sulfide Mercury sulfide Non-flammable 322 CdSb cadmium antimonide 12014-29-8 323 CdSe cadmium selenide 1306-24-7 Cadmium(II) selenide, Cadmoselite CdSe Wurtzite structure (hexagonal) Greenish-brown or dark red solid powder 191.37 g/mol 5.816 g/cc, solid 1268 °C (1541 K) 1.74 eV 2.5 Insoluble Cadmium oxide, Cadmium sulfide, Cadmium telluride Zinc selenide, Mercury(II) selenide 324 CdSiO3 cadmium silicate 13477-19-5 325 CdSO4 cadmium sulfate 10124-36-4 Sulfuric acid, cadmium salt (1:1), Niedermayrite CdSO4 CdSO4·H2O (monohydrate) 3CdSO4·8H2O (octahydrate) orthorhombic (anhydrous) monoclinic (octahydrate) White hygroscopic solid 208.47 g/mol (anhydrous) 226.490 g/mol (monohydrate) 769.546 g/mol (octahydrate) 4.691 g/cc (anhydrous) 3.79 g/cc (monohydrate) 3.08 g/cc (octahydrate) [1] 1000 °C (anhydrous) 105 °C (monohydrate) 40 °C (octahydrate) (decomposes to basic sulfate and then oxide) anhydrous: 75 g/100 mL (0 °C) 76.4 g/100 mL (25 °C) 58.4 g/100 mL (99 °C) octahydrate: very soluble insoluble in ethanol Cadmium acetate, Cadmium chloride, Cadmium nitrate Zinc sulfate, Calcium sulfate, Magnesium sulfate 326 CdTe cadmium telluride 1306-25-8 Irtran-6 CdTe zincblende (cubic) (space group F-43m 240.01 g mol−1 5.85 g/cc 1092 °C 1130 °C 1.56 eV (direct) 2.67 (@10 µm) Cadmium oxide Cadmium sulfide Cadmium selenide Zinc telluride Mercury telluride 327 CdTiO4 cadmium titanate 12014-14-1 328 CdWO4 cadmium tungstate 7790-85-4 CdO4W colorless crystals with a yellow tint 360.25 g mol−1 7.9 g/cc, solid 1325 °C 0.04642 g/100 mL (20 °C) 329 Ce(CHO2)3 cerium(III) formate 3252-51-5 330 Ce2(C2O4)3 cerium(III) oxalate 15750-47-7 331 Ce2O3 cerium(III) oxide 1306-38-3 Ce2O3 Hexagonal, hP5 yellow/green pulver, 328.24 g/mol 6.2 g/cc 2177 °C insoluble 332 Ce2S3 cerium(III) sulfide 12014-93-6 333 CeBr3 cerium(III) bromide 7790-86-5 Cerous bromide CeBr3 Tricapped trigonal prismatic (nine-coordinate) hexagonal (UCl3 type), hP8 grey to white solid, hygroscopic 379.83 g/mol (anhydrous) 5.1 g/cc, solid 722 °C 1457 °C Not Published Yet Cerium(III) fluoride Cerium(III) chloride Cerium(III) iodide Lanthanum(III) bromide Praseodymium(III) bromide not flammable 334 CeCl3 cerium(III) chloride 7790-86-5 Cerous chloride CeCl3 Tricapped trigonal prismatic (nine-coordinate) hexagonal (UCl3 type), hP8 fine white powder 246.48 g/mol (anhydrous) 372.58 g/mol (heptahydrate) 3.97 g/cc 817 °C (anhydrous) 90 °C (heptahydrate, decomp) 1727 °C 100 g/100 ml soluble in alcohol Cerium(III) fluoride Cerium(III) bromide Cerium(III) iodide Lanthanum(III) chloride Praseodymium(III) chloride Non-flammable 335 CeF2 cerium(II) fluoride 22655-57-8 336 CeF3 cerium(III) fluoride 7758-88-5 337 CeF4 cerium(IV) fluoride 10060-10-3 338 CeH2 cerium(II) hydride 13569-50-1 339 CeI2 cerium(II) iodide 19139-47-0 340 CeI3 cerium(III) iodide 7790-87-6 341 CeN cerium(III) nitride 25764-08-3 342 CeO2 cerium(IV) oxide 1306-38-3 Ceric oxide, Ceria, Cerium dioxide CeO2 cubic [1] white or pale yellow solid, slightly hygroscopic 172.115 g/mol 7.65 g/cc, solid 7.215 g/cc, fluorite phase 2400 °C 3500 °C insoluble 343 CeS cerium(II) sulfide 12014-82-3 344 CeVO2 cerium(III) vanadate 13597-19-8 345 Cf2O3 californium(III) oxide 12050-91-8 346 CfBr2 californium(II) bromide 36700-18-2 347 CfBr3 californium(III) bromide 20758-68-3 348 CfCl2 californium(II) chloride 99643-99-9 349 CfCl3 californium(III) chloride 13536-90-8 350 CfF3 californium(III) fluoride 42775-52-0 351 CfF4 californium(IV) fluoride 42845-08-9 352 CfI2 californium(II) iodide 49774-08-5 353 CfI3 californium(III) iodide 20758-81-0 354 CfO2 californium(IV) oxide 12015-10-0 355 Cl2O chlorine monoxide 7791-21-1 356 Cl2O3 chlorine trioxide 17496-59-2 Chlorine(VI) oxide; Chlorine trioxide; Chloryl perchlorate Cl2O6 red liquid 166.901 g/mol 1.65 g/cc 3.5 °C 200 °C reacts with water 357 Cl2O6 chlorine hexoxide 12442-63-6 358 Cl2O7 chlorine heptoxide 10294-48-1 359 ClF chlorine monofluoride 7790-89-8 Chlorine fluoride ClF 54.45 g mol−1 1.62 g mL (liquid, −100 °C) −155.6 °C −100.1 °C 33.01 J K−1 mol−1 0.881 D (2.94 × 10−30 C m) −56.5 kJ mol−1 217.91 J K−1 mol−1 360 ClF3 chlorine trifluoride 7790-91-2 ClF3 yellowish gas or liquid 92.448 g/mol 1.77 g/cc (13 °C, liquid) .004 g/cc (gas) -76.34 °C 11.75 °C hydrolysis -158.87 kJ/mol [1] 281.59 J K−1 mol−1 [1] 9.182 x 10-5 Pa s 361 ClF5 chlorine pentafluoride 13637-63-3 ClF5 colorless gas 130.445 g mol−1 4.5 g/cc −103 °C −13.1 °C hydrolyzes −238.49 kJ mol−1 310.73 J K−1 mol−1 362 ClO2 chlorine dioxide 10049-04-4 ClO2 yellowish gas or liquid 67.45 g/mol 3.04 g/cc -59.5 °C 11 °C 0.8 g/100 mL (20 °C) soluble in alkalies, sulfuric acid +104.60 kJ/mol 257.22 J K−1 mol−1 2.5-3.5 363 ClOClO3 chlorine perchlorate 27218-16-2 Dichlorine tetroxide Cl2O4 pale green liquid 134.904 g/mol 1.81 g/cc -117 °C decomposes at 25 °C 364 Cm2O3 curium(III) oxide 12371-27-6 Curium sesquioxide Cm2O3 Hexagonal, hP5 542.139 g/mol none 365 CmBr3 curium(III) bromide 14890-42-7 366 CmCl3 curium(III) chloride 13537-20-7 367 CmF3 curium(III) fluoride 13708-79-7 368 CmF4 curium(IV) fluoride 24311-95-3 369 CmI3 curium(III) iodide 14696-85-6 370 CmO curium(II) oxide 24762-86-5 371 CmO2 curium(IV) oxide 12016-67-0 372 Co(C11H10O2)2 cobalt(II) naphthenate 61789-51-3 Naphtolite N/A brown amorphous or bluish-red solid 0.96 g/cm³, solid 140 °C >150 °C none 49 °C 373 Co(C2H3O2)2 cobalt(II) acetate 71-48-7 C4H6CoO4 Red solid 177.02 g mol−1 1.71 g/cc (tetrahydrate) Soluble 374 Co(C2H3O2)2 cobalt(II) acetate tetrahydrate 6147-53-1 C4H6CoO4 Red solid 177.02 g mol−1 1.71 g/cc (tetrahydrate) Soluble 375 Co(ClO4)2 cobalt(II) perchlorate 13455-31-7 376 Co(CN)2 cobalt(II) cyanide 542-84-7 cobaltous cyanide Co(CN)2 deep-blue powder hygroscopic (anhydrous) reddish-brown powder (dihydrate) 110.968 g/mol (anhydrous) 147.00 g/mol (dihydrate) 165.02 g/mol (trihydrate) 1.872 g/cc (anhydrous) 280 °C (anhydrous) insoluble dihydrate soluble in NaCN, KCN, NH4OH, HCl Cadmium chloride, Cadmium iodide Zinc cyanide, Calcium cyanide, Magnesium cyanide 377 Co(IO3)2 cobalt(II) iodate 13455-28-2 378 Co(NO3)2 cobalt(II) nitrate 10141-05-6 Cobaltous nitrate Nitric acid, cobalt(2+) salt Co(NO3)2 monoclinic (hexahydrate) pale red powder (anhydrous) red crystalline (hexahydrate) 182.943 g/mol (anhydrous) 291.03 g/mol (hexahydrate) 2.49 g/cc (anhydrous) 1.87 g/cc (hexahydrate) 100 °C, decomp (anhydrous) 55 °C (hexahydrate) 100–105 °C, decomp (hexahydrate) 134 g/100 ml, 0 °C (hexahydrate) soluble (anhydrous) soluble in alcohol, acetone (hexahydrate) Cobalt(II) sulfate Cobalt(II) chloride Iron(II) nitrate Nickel(II) nitrate 379 Co(NO3)2-6H2O cobalt(II) nitrate hexahydrate 10026-22-9 380 Co(NO3)3 cobalt(III) nitrate 15520-84-0 381 Co(OH)2 cobalt(II) hydroxide 21041-93-0 Cobaltous hydroxide, cobalt hydroxide, cobaltous hydrate Co(OH)2 rhombohedral rose-red powder or bluish-green powder 92.948 g/mol 3.597 g/cc 168 °C (decomp)[1] 3.2 g/100mL soluble in acids, ammonia; insoluble in dilute alkalis -539.7 kJ•mol-1 79.0 J•mol-1•K-1[2] Cobalt(II) chloride Cobalt(II) bromide Cobalt(II) iodide Iron(II) hydroxide Nickel(II) hydroxide Copper(II) hydroxide 382 Co(OH)3 cobalt(III) hydroxide 1307-86-4 383 Co2O3 cobalt(III) oxide 1308-04-9 cobaltic oxide, cobalt sesquioxide Co2O3 Trigonal, hR30 black powder 165.86 g/mol 5.18 g/cc [2] 1900 °C 384 Co2O3-H2O cobalt(III) oxide monohydrate 12016-80-7 385 Co2S3 cobalt(III) sulfide 1332-71-4 386 Co2SiO4 cobalt(II) orthosilicate 12017-08-2 387 Co2SnO4 cobalt(II) stannate 12139-93-4 388 Co2TiO4 cobalt(III) titanate 12017-38-8 389 Co3(Fe(CN)6)2 cobalt(II) ferricyanide 14049-81-1 390 CoAl2O4 cobalt(II) aluminate 13820-62-7 391 CoBr2 cobalt(II) bromide 7789-43-7 CoBr2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 Green powder 218.74 g/mol 4.909 g/cc 678 °C 112 g/100 mL cobalt(II) fluoride cobalt(II) chloride cobalt(II) iodide iron(II) bromide nickel(II) bromide Non-flammable 392 CoC15H21O6 cobalt(III) acetylacetonate 21679-46-9 393 CoC2O4 cobalt(II) oxalate 814-89-1 394 CoCl2 cobalt(II) chloride 7646-79-9 Cobaltous chloride CoCl2 Octahedral CdCl2 structure see text 129.839 g/mol (anhydrous) 165.87 g/mol (dihydrate) 237.93 g/mol (hexahydrate) 3.356 g/cc (anhydrous) 2.48 g/cc (dihydrate) 1.92 g/cc (hexahydrate) 735 °C 1049 °C 43.6 g/100 mL (0 °C) 45 g/100 mL (7 °C) 52.9 g/100 mL (20 °C) soluble in acetone, ethanol, ether Cobalt(II) fluoride Cobalt(II) bromide Cobalt(II) iodide Rhodium(III) chloride Iridium(III) chloride Non-flammable 395 CoCl2-6H2O cobalt(II) chloride hexahydrate 7791-13-1 396 CoCl3 cobalt(III) chloride 10241-04-0 397 CoCr2O4 cobalt(II) chromite 13455-25-9 398 CoCrO4 cobalt(II) chromate 24613-38-5 399 CoF2 cobalt(II) fluoride 10026-17-2 cobalt difluoride CoF2 Red crystalline solid 96.93 g/mol 4.46 g/cc (anhydrous) 2.22 g/cc (trihydrate) 1217 °C, 1490 K, 2223 °F 1400 °C, 1673 K, 2552 °F Insoluble cobalt(II) oxide, cobalt(II) chloride iron(II) fluoride, nickel(II) fluoride 400 CoF3 cobalt(III) fluoride 10026-18-3 Cobalt trifluoride Cobaltic fluoride Cobalt fluoride Cobaltic trifluoride CoF3 115.9284 g/mol 3.88 g/cc 927 °C [1] reacts cobalt(III) oxide, cobalt(III) chloride iron(III) fluoride, rhodium(III) fluoride 401 CoF4 cobalt(IV) fluoride 13596-45-7 402 CoI2 cobalt(II) iodide 15238-00-3 cobaltous iodide, cobalt diiodide CoI2 α-form: black hexagonal crystal β-form: yellow powder 312.7421 g/mol (anhydrous) 420.83 g/mol (hexahydrate) α-form: 5.584 g/cm³ β-form: 5.45 g/cm³ hexahydrate: 2.09 g/cc α-form: 515-520°C under vacuum β-form: converts to α-form at 400°C 570 °C 67.0 g/100 mL[1] Cobalt(II) fluoride Cobalt(II) chloride Cobalt(II) bromide Nickel(II) iodide Copper(I) iodide 403 CoMoO4 cobalt(II) molybdate 13762-14-6 404 CoO cobalt(II) oxide 1307-96-6 Cobaltous oxide Cobalt monoxide CoO cubic, cF8 black powder 74.9326 g/mol 6.44 g/cc [1] 1933 °C, 2206 K, 3511 °F 3.3 g/100mL Cobalt(II) sulfide Cobalt(II) hydroxide Iron(II) oxide Nickel(II) oxide Non-flammable 405 CoS cobalt(II) sulfide 1317-42-6 CoS black solid 90.998 g/mol 5.45 g/cc 1195 °C insoluble 406 CoS2 cobalt(IV) sulfide 12013-10-4 407 CoSe cobalt(II) selenide 1307-99-9 408 CoSO4 cobalt(II) sulfate 10124-43-3 CoSO4 reddish crystalline (anhydrous, monohydrate) pink salt (heptahydrate) 154.996 g/mol (anhydrous) 173.01 g/mol (monohydrate) 281.103 g/mol (heptahydrate) 3.71 g/cc (anhydrous) 3.08 g/cc (monohydrate) 2.03 g/cc (heptahydrate) [1] 735 °C (anhydrous) 74 °C (heptahydrate) 36.2 g/100 ml (20°C) Non-flammable 409 CoTe cobalt(II) telluride 12017-13-9 410 CoTiO3 cobalt(II) titanate 12017-01-5 411 CoWO4 cobalt(II) tungstate 12640-47-0 412 Cr(C6H4NO2)3 chromium(III) picolinate 14639-25-9 Cr(C6H4NO2)3 418.33 g/mol 413 Cr(CO)6 chromium(VI) carbonyl 13007-92-6 Chromium carbonyl C6CrO6 octahedral orthrhombic colorless crystals 220.057 g/mol 1.77 g/cc, solid 150 °C 210 °C (decomp) 0 D insoluble soluble in ether, chloroform, THP, methylene chloride Molybdenum hexacarbonyl Tungsten hexacarbonyl 210 °C 414 Cr(NO3)3 chromium(III) nitrate 13548-38-4 Nitric acid, chromium(3+) salt Cr(NO3)3 blue-violet crystals (anhydrous) purple crystals (nonahydrate) 238.011 g/mol (anhydrous) 400.21 g/mol (nonahydrate) 1.85 g/cc (nonahydrate) 60.06 °C (nonahydrate) > 100 °C (decomp.) 81 g/100 mL (20 °C) Non flammable 415 Cr2(SO4)3 chromium(III) sulfate 10101-53-8 Basic chromium sulfate, chromic sulfate H24Cr2S3O24 reddish-brown crystals 392.16 g/mol 716.45 g/mol (dodecahydrate) 3.10 g/cc (anhydrous) 1.86 g/cc (pentadecahydrate) 1.709 g/cc (octadecahydrate) insoluble (anhydrous) soluble (hydrates) Non-flammable 416 Cr2O3 chromium(III) oxide 1308-38-9 Chromium sesquioxide Chromia Chrome green Eskolaite Cr2O3 151.99 g/mol 5.22 g/cc 2435 °C, 2708 K, 4415 °F 4000 °C, 4273 K, 7232 °F 2.5 insoluble 417 Cr2S3 chromium(III) sulfide 12018-22-3 Cr2S3 Brown to black odorless powder 200.19 g/mol 3.77 g/cc 1350 °C insoluble Chromium(III) oxide 418 Cr2Te3 chromium(III) telluride 12053-39-3 419 Cr3C2 chromium(II) carbide 12012-35-0 Cr3C2 Orthorhombic, oP20 gray orthorhombic crystals 180.009 g/mol 6.68 g/cc 1895°C 420 Cr3O4 chromium(II,III) oxide 12018-34-7 421 CrBr2 chromium(II) bromide 10049-25-9 422 CrBr3 chromium (III) bromide 10031-25-1 423 CrBr4 chromium(IV) bromide 23098-84-2 424 CrCl2 chromium(II) chloride 10049-05-5 Chromous chloride CrCl2 octahedral, 6-coordinate Orthorhombic (deformed rutile), oP6 122.902 g/mol 2.9 g/cc 824°C 1120°C soluble Chromium(II) fluoride Chromium(II) bromide Chromium(II) iodide Chromium(III) chloride Chromium(IV) chloride Molybdenum(II) chloride Tungsten(II) chloride 425 CrCl3 chromium(III) chloride 10025-73-7 Chromic chloride CrCl3 Octahedral YCl3 structure see text 158.36 g/mol (anhydrous) 266.48 g/mol (hexahydrate) 2.87 g/cc (anhydrous) 1.760 g/cc (hexahydrate) 1152 °C (anhydrous) 83 °C (hexahydrate) 1300 °C decomp. slightly soluble (anhydrous) 58.5 g/100 mL (hexahydrate) soluble in ethanol insoluble in ether, acetone Chromium(III) fluoride Chromium(III) bromide Chromium(III) iodide Molybdenum(III) chloride Tungsten(III) chloride Non-flammable 2.4 (0.2M solution) 426 CrCl4 chromium(IV) chloride 15597-88-3 CrCl4 gas, stable at high temperature 193.807 g/mol 7.922 g/L decomposes above 600°C 427 CrF2 chromium(II) fluoride 10049-10-2 428 CrF3 chromium(III) fluoride 7788-97-8 CrF3 Rhombohedral, hR24 green crystalline solid 108.9913 g/mol (anhydrous) 163.037 g/mol (trihydrate) 181.05 g/mol (tetrahydrate) 3.8 g/cc (anhydrous) 2.2 g/cc (trihydrate) 1100 °C (sublimes) negligible (anhydrous) sparingly soluble (trihydrate) insoluble and alcohols soluble in HF, HCl 429 CrF4 chromium(IV) fluoride 10049-11-3 430 CrF5 chromium(V) fluoride 13843-28-2 431 CrF6 chromium(VI) fluoride 13843-28-2 432 CrI2 chromium(II) iodide 13478-28-9 433 CrI3 chromium(III) iodide 13569-75-0 434 CrI4 chromium(IV) iodide 23518-77-6 435 CrN chromium(III) nitride 12053-27-9 Chromium(III) nitride CrN Black powder 66.003 g/mol 5.9 g/cc [1] 1770 ËÅ¡C (decomp.)[2] Insoluble[3] −117.15 kJ/mol [4] 37.75 J K−1 mol−1 [4] Non-flammable 436 CrO2 chromium(IV) oxide 12018-01-8 Crolyn magtrieve CrO2 Rutile (tetragonal), tP6 black tetrahedral ferromagnetic crystals 83.9949 g/mol 4.89 g/cc 375°C (decomposes) Insoluble Non-flammable 437 CrO3 chromium(VI) oxide 1333-82-0 Chromic anhydride, chromium(VI) oxide, chromic acid, anhydride, chromic acid (misnomer) CrO3 dark red granular solid 99.9943 g/mol 2.70 g/cc (20 °C) 197 °C 251 °C, decomposes 61.7 g/100 mL (0 °C) 63 g/100 mL (25 °C) 67 g/100 mL (100 °C) soluble in sulfuric acid, nitric acid 438 CrPO4 chromium(III) phosphate 7789-04-0 439 CrSe chromium(II) selenide 12053-13-3 440 Cs2C2O4 caesium oxalate 1068-63-9 441 Cs2CdI4 caesium tetraiodocadamate 15683-21-3 442 Cs2CO3 caesium carbonate 534-17-8 Cesium carbonate Cs2CO3 white powder 325.82 g/mol 4.072 g/cc 610 °C (decomp.) 260.5 g/100 mL (15 °C) Caesium bicarbonate Lithium carbonate Sodium carbonate Potassium carbonate Rubidium carbonate non-flammable 443 Cs2CrO4 caesium chromate 56320-90-2 CrCs2O4 Yellow crystalline solid 381.8 g mol−1 4.237 g/cc 71.4 g/100 ml (13 ºC) Caesium sulfate Sodium chromate Potassium chromate Ammonium chromate non-flammable 444 Cs2MoO4 caesium molybdate 13597-64-3 445 Cs2O caesium oxide 20281-00-9 Cesium oxide (US) Cs2O anti-CdCl2 (hexagonal) yellow-orange solid 281.81 g/mol 4.65 g/cc, solid 490 °C (under N2) 76.0 J K-1 mol-1 reacts -345.8 kJ/mol 146.9 J K-1 mol-1 Caesium hydroxide Lithium oxide Sodium oxide Potassium oxide Rubidium oxide non-flammable 446 Cs2O2 caesium peroxide 12053-70-2 447 Cs2S caesium sulfide 12214-16-3 448 Cs2Se caesium selenide 31052-46-7 449 Cs2SO4 caesium sulfate 10294-54-9 Cs2SO4 361.87 g/mol 4.243 g/cc, solid 1010 ºC 167 g/100 ml (0 ºC) insoluble in ethanol, acetone Caesium hydrogensulfate Lithium sulfate Sodium sulfate Potassium sulfate Rubidium sulfate non-flammable 450 Cs2Te caesium telluride 12191-06-9 451 Cs2WO4 caesium tungstate 13587-19-4 452 Cs2ZnI4 caesium tetraiodozincate 15158-68-6 453 CsBO2 caesium metaborate 92141-86-1 454 CsBr caesium bromide 7787-69-1 Cesium bromide, Caesium(I) bromide CsBr 8–8 CsCl White solid 212.81 g/mol 4.44 g/cc, solid 636 °C 1300 °C 106.2 g/100 g (15 °C) 124.3 g/100 g (25 °C) Caesium fluoride, Caesium chloride, Caesium iodide Sodium bromide, Potassium bromide Rubidium bromide Non-flammable 455 CsBrO3 caesium bromate 13454-75-6 456 CsC2H3O2 caesium acetate 3399-17-5 Cesium acetate C2H3CsO2 colourless, hygroscopic 191.95 g mol−1 2.423 g/cc, solid 194 °C, 467 K, 381 °F 945 °C, 1218 K, 1733 °F 945.1 g/100 g (-2.5 °C) 1345.5 g/100 ml (88.5 ºC) Caesium formate Lithium acetate Sodium acetate Potassium acetate Rubidium acetate non-flammable 457 CsCl caesium chloride 7647-17-8 Cesium chloride CsCl simple cubic Caesium chloride (see text) white solid hygroscopic 168.36 g/mol 3.99 g/cc 645 °C 1297 °C (vaporizes) 162 g/100 mL (1 °C) soluble in ethanol [1] Caesium fluoride Caesium bromide Caesium iodide Lithium chloride Sodium chloride Potassium chloride Rubidium chloride 458 CsClO3 caesium chlorate 13763-67-2 459 CsClO4 caesium perchlorate 13454-84-7 Cesium perchlorate CsClO4 orthorhombic (<219 °C) cubic (>219 ºC, a = 798 pm) Colorless crystalls 232.36 g/mol 3.327 g/cc 250 °C decomp. 1.974 g/100 ml (25 ºC) Caesium chloride Caesium chlorate Lithium perchlorate Sodium perchlorate Potassium perchlorate Rubidium perchlorate non-flammable 460 CsCN caesium cyanide 21159-32-0 461 CsF caesium fluoride 13400-13-0 Cesium fluoride CsF Octahedral cubic white crystalline solid 151.90 g/mol 4.115 g/cc 682 °C (955 K) 1251 °C (1524 K) 7.9 D 367 g/100 ml (18 °C) Caesium chloride Caesium bromide Caesium iodide Lithium fluoride Sodium fluoride Potassium fluoride Rubidium fluoride Non-flammable 462 CsH caesium hydride 58724-12-2 CsH Octahedral Face centered cubic White or colorless crystals or powder 133.91339 g/mol CsF, CsCl, CsBr, CsI LiH, NaH, KH, RbH, and all other hydrides 463 CsI caesium iodide 7789-17-5 CsI Cubic (Cs+) Cubic (I−) CsCl white crystalline solid 259.81 g/mol 4.51 g/cc, solid 621 °C 1277±5 °C 1.739 44 g/100 ml (0 °C) Caesium fluoride Caesium chloride Caesium bromide Lithium iodide Sodium iodide Potassium iodide Rubidium iodide non-flammable 464 CsIO3 caesium iodate 13454-81-4 465 CsIO4 caesium periodate 13478-04-1 466 CsMnO4 caesium permanganate 13456-28-5 467 CsN3 caesium azide 22750-57-8 468 CsNH2 caesium amide 22205-57-8 469 CsNO2 caesium nitrite 13454-83-6 470 CsNO3 caesium nitrate 7789-18-6 CsNO3 white solid 194.91 g/mol 3.685 g/cc 414 ºC decomp., see text 9.16 g/100 ml (0 ºC) 196.8 g/100 ml (100 ºC) Caesium nitrite Lithium nitrate Sodium nitrate Potassium nitrate Rubidium nitrate non-flammable 471 CsO2 caesium superoxide 12018-61-0 472 CsOH caesium hydroxide 21351-79-1 CsOH whitish-yellow deliquescent crystals 149.912 g/mol 3.675 g/cc, solid 342.3°C 69.9 J/molK[2] 300 g/100 ml at 30°C soluble in ethanol[1] −416.2 kJ·mol-1 104.2 J·K−1·mol−1 Caesium oxide Caesium fluoride Lithium hydroxide Sodium hydroxide Potassium hydroxide Rubidium hydroxide Non flammable 1.76 473 CsVO3 caesium vanadate 14644-55-4 474 Cu(BF4)2 copper(II) tetrafluoroborate 14735-84-3 475 Cu(BO2)2 copper(II) borate 393290-85-2 476 Cu(C16H35O2)2 copper(II) stearate 660-60-6 477 Cu(C18H33O2)2 copper(II) oleate 1120-44-1 478 Cu(C2H3O2)2 copper(II) acetate 142-71-2 Cupric acetate Cu(CH3COO)2 Monoclinic Dark green crystalline solid 182 g/mol 1.88 g/mL 115 °C (388 K) 240 °C (513 K) Non-flammable 479 Cu(CHO2)2 copper(II) formate 544-19-4 480 Cu(ClO4)2 copper(II) perchlorate 13770-18-8 481 Cu(CN)2 copper(II) cyanide 14763-77-0 482 Cu(N3)2 copper(II) azide 14215-30-6 Cu(N3)2 brown orthorhombic crystals 147.586 g/mol 2.6 g/cm 3 (explodes) Lead(II) azide Silver azide Sodium azide 483 Cu(NO3)2 copper(II) nitrate 3251-23-8 Cupric nitrate Cu(NO3)2 orthorhombic (anhydrous) rhombohedral (hydrates) blue crystals hygroscopic 187.56 g/mol (anhydrous) 241.60 g/mol (trihydrate) 295.65 g/mol (hexahydrate) 3.05 g/cc (anhydrous) 2.32 g/cc (trihydrate) 2.07 g/cc (hexahydrate) 256 °C (anhydrous, decomp) 114 °C (trihydrate) 26 °C (hexahydrate, decomposes) 170 °C (trihydrate, decomposes) 137.8 g/100 mL (0 °C) (trihydrate) hydrates very soluble in ethanol, water Copper(II) sulfate Copper(II) chloride Nickel(II) nitrate Zinc nitrate 484 Cu(OH)2 copper(II) hydroxide 20427-59-2 Cupric hydroxide Cu(OH)2 Blue or blue-green solid 97.561 g/mol 3.368 g/cc, solid 80 °C (decomp into CuO) negligible insoluble in ethanol; soluble in NH4OH, KCN Copper(II) oxide Copper(II) carbonate Nickel(II) hydroxide Zinc hydroxide Non-flammable 485 Cu2C2 copper(I) acetylide 1117-94-8 C2Cu2 151.11 g/mol 486 Cu2Fe(CN)6 copper(II) ferrocyanide 13601-13-3 487 Cu2O copper(I) oxide 1317-39-1 Cuprous oxide Dicopper oxide Cuprite Red copper oxide Cu2O cubic brownish-red solid 143.09 g/mol 6.0 g/cc 1235 °C, 1508 K, 2255 °F 1800 °C, 2073 K, 3272 °F Insoluble Copper(I) sulfide Copper(II) sulfide Copper(I) selenide Copper(II) oxide Silver(I) oxide Nickel(II) oxide Zinc oxide 488 Cu2P2O7 copper(II) pyrophosphate 10102-90-6 489 Cu2S copper(I) sulfide 22205-45-4 Cuprous sulfide Chalcocite Copper glance Cu2S 159.16 g/mol 5.6 g/cc [1] 1130 °C[2] Insoluble slightly soluble in HCl; soluble in NH4OH; dissolves in KCN; decomposes in HNO3, H2SO4 Copper(I) oxide Copper(I) selenide Nickel(II) sulfide Copper(II) sulfide Zinc sulfide Non-flammable 490 Cu2Se copper(I) selenide 20405-64-5 491 Cu2Te copper(I) telluride 12019-52-2 492 Cu3(AsO4)2 copper(II) arsenate 10103-61-4 Copper arsenate Cu3(AsO4)2 blue or bluish green powder 468.48 g/mol 5.2 g/cc 1100 °C insoluble soluble in ammonia, dilute acids 493 CuBr copper(I) bromide 7787-70-4 Cuprous bromide CuBr green powder (see text) 143.45 g/mol 4.71 g/cc, solid 492 °C, 765 K, 918 °F 1345 °C, 1618 K, 2453 °F 2.09 slightly soluble Copper(I) chloride Copper(I) iodide Silver(I) bromide Copper(II) bromide Mercury(I) bromide Non-flammable 494 CuBr2 copper(II) bromide 7789-45-9 Cupric bromide CuBr2 grayish black crystals 223.37 g/mol 4.71 g/cc, solid 498 °C (771 K) 600 °C (1173 K) 55.7 g/100mL (20 °C) copper(II) fluoride copper(II) chloride nickel(II) bromide copper(I) bromide zinc bromide 495 CuC2 copper(II) acetylide 1117-94-8 496 CuC2H3O2 copper(I) acetate 598-54-9 497 CuC2O4 copper(II) oxalate 814-91-5 498 CuCl copper(I) chloride 7758-89-6 Cuprous chloride CuCl Zinc blende structure white powder, slightly green from oxidized impurities 98.999 g/mol 4.145 g/cc 426 °C (703 K) 1490 °C (1760 K) (decomp.) 1.930 [1] 0.0062 g/100 mL (20 °C) insoluble in ethanol acetone; soluble in concentrated HCl, NH4OH Copper(I) bromide Copper(I) iodide Copper(II) chloride Silver(I) chloride Non-flammable 499 CuCl2 copper(II) chloride 7447-39-4 Cupric chloride CuCl2 Octahedral distorted CdI2 structure yellow-brown solid (anhydrous) blue-green solid (dihydrate) 134.45 g/mol (anhydrous) 170.48 g/mol (dihydrate) 3.386 g/cc (anhydrous) 2.51 g/cc (dihydrate) 498 °C (anhydrous) 100 °C (dehydration of dihydrate) 993 °C (anhydrous, decomp) 70.6 g/100 mL (0 °C) 75.7 g/100 mL (25 °C) Copper(II) fluoride Copper(II) bromide Copper(I) chloride Silver chloride Gold(III) chloride Non-flammable 500 CuCl2-2H2O copper(II) chloride dihydrate 10125-13-0 501 CuCN copper(I) cyanide 544-92-3 Cuprous cyanide CuCN white to greenish powder 89.563 g/mol 2.92 g/cc [1] 474 °C, 747 K, 885 °F negligible insoluble in ethanol, cold dilute acids; soluble in NH4OH, KCN Non-flammable 502 CuCrO4 copper(II) chromate 13548-42-0 503 CuF copper(I) fluoride 13478-41-6 cuprous fluoride CuF sphalerite crystalline solid 82.54 g/mol 7.1 g/cc 504 CuF2 copper(II) fluoride 7789-19-7 Cupric fluoride; Copper fluoride CuF2 White crystalline powder When hydrated: Blue 101.543 g/mol (anhydrous) 137.573 g/mol (dihydrate) 4.23 g/cc (anhydrous) 2.934 g/cc (dihydrate) [1] 836 °C (anhydrous) 130 °C (dihydrate, decomposes) 1676 °C (anhydrous) Copper(II) bromide Copper(II) chloride silver(II) fluoride cobalt(II) fluoride 505 CuH copper(I) hydride 13517-00-5 506 CuHAsO3 copper(II) arsenite 10290-12-7 507 CuI copper(I) iodide 7681-65-4 Cuprous iodide CuI Tetrahedral anions and cations zincblende White powder when impure: tan or brownish 190.45 g/mol 5.67 g/cc [1] 606 °C 1290 °C (decomposes) 2.346 insoluble soluble in 3.5 M KI soln. Copper(I) fluoride Copper(I) chloride Copper(I) bromide silver(I) iodide Non-flammable 508 CuMoO4 copper(II) molybdate 13767-34-5 509 CuN3 copper(I) azide 14336-80-2 510 CuO copper(II) oxide 1317-38-0 Cupric oxide CuO monoclinic, mS8[1] black powder 79.545 g/mol 6.31 g/cc 1201 °C (1474 K) 2000 °C 1.2 eV insoluble Copper(II) sulfide Nickel(II) oxide Zinc oxide Non-flammable 511 CuS copper(II) sulfide 1317-40-4 covellite Copper(II) sulfide CuS 95.611 g/mol 4.6 g/cc above 500°C (decomposes [2]) 1.45 [1] insoluble soluble in HNO3, NH4OH, KCN soluble in HCl, H2SO4 Copper(II) oxide zinc sulfide 512 CuSCN copper(I) thiocyanate 1111-67-7 513 CuSe copper(II) selenide 1317-41-5 514 CuSO4 copper(II) sulfate 7758-98-7 Cupric sulfate Blue vitriol Bluestone Chalcanthite CuSO4 Octahedral Triclinic blue crystalline solid (pentahydrate) gray-white powder (anhydrous) 159.61 g/mol (anhydrous) 249.68 g/mol (pentahydrate) 3.603 g/cc (anhydrous) 2.284 g/cc (pentahydrate) 110 °C (−4H2O) 150 °C (423 K) (−5H2O) < 650 °C decomp. 1.514 (pentahydrate) 31.6 g/100 ml (0 °C) anhydrous insoluble in ethanol pentahydrate soluble in methanol and ethanol 109.05 J K−1 mol−1 Nickel(II) sulfate Zinc sulfate Non-flammable 515 CuTe copper(II) telluride 12019-23-7 516 CuWO4 copper(II) tungstate 13587-35-4 517 Dy(CHO2)3 dysprosium(III) formate 3252-58-2 518 Dy2O3 dysprosium(III) oxide 1308-87-8 Dy2O3 Cubic, cI80 White powder. 372.998 g/mol 7.80 g/cc 2408 °C[1] Negligible 519 Dy2S3 dysprosium(III) sulfide 12133-10-7 520 DyB4 dysprosium(II) boride 12310-43-9 521 DyBr2 dysprosium(II) bromide 83229-05-4 522 DyBr3 dysprosium(III) bromide 14456-48-5 523 DyCl2 dysprosium(II) chloride 13767-31-2 524 DyCl3 dysprosium(III) chloride 10025-74-8 DyCl3 Octahedral AlCl3 structure white solid 268.86 g/mol (anhydrous) 3.67 g/cm³, solid 647 °C (anhydrous) 1530 °C Soluble Dysprosium(III) fluoride Dysprosium(III) bromide Dysprosium(III) iodide Terbium(III) chloride Dysprosium(II) chloride Holmium(III) chloride non flammable 525 DyF3 dysprosium(III) fluoride 13569-80-7 526 DyH3 dysprosium(III) hydride 13537-09-2 527 DyI2 dysprosium(II) iodide 36377-94-3 528 DyI3 dysprosium(III) iodide 15474-63-2 529 DyN dysprosium(III) nitride 12019-88-4 530 DySi2 dysprosium(II) silicide 12133-07-2 531 Er(CHO2)3 erbium(III) formate 15331-72-3 532 Er2(SO4)3 erbium(III) sulfate 13478-49-4 533 Er2O3 erbium(III) oxide 12061-16-4 Erbium oxide, erbia Er2O3 Cubic, cI80 pink crystals 382.56 g/mol 8.64 g/cc 2344°C 3290°C 108.5 J/molK -1897.9 kJ·mol-1 155.6 J/molK 534 Er2S3 erbium(III) sulfide 12159-66-9 535 Er2Te3 erbium(III) telluride 12020-39-2 536 ErB4 erbium(III) boride 12310-44-0 537 ErBr3 erbium(III) bromide 13536-73-7 538 ErCl3 erbium(III) chloride 10138-41-7 Erbium trichloride ErCl3 (anhydrous) ErCl3·6H2O (hexahydrate) violet hygroscopic monoclinic crystals (anhydrous) pink hygroscopic crystals (hexahydrate) 273.62 g/mol (anhydrous) 381.71 g/mol (hexahydrate) 4.1 g/cc (anhydrous) 776 °C (anhydrous) decomposes (hexahydrate) 1500 °C soluble in water (anhydrous) slightly soluble in ethanol (hexahydrate)[1] 539 ErCl3-6H2O erbium(III) chloride hexahydrate 10025-75-9 540 ErF3 erbium(III) fluoride 13760-83-3 541 ErH3 erbium(III) hydride 13550-53-3 542 ErI3 erbium(III) iodide 13813-42-8 543 ErN erbium(III) nitride 12020-21-2 544 ErNbO4 erbium(III) niobate 12061-00-6 545 ErS erbium(II) sulfide 12159-66-9 546 ErTe erbium(II) telluride 12020-39-2 547 ErVO4 erbium(III) vanadate 13596-17-3 548 Es2O3 einsteinium(III) oxide 37362-94-0 549 EsBr2 einsteinium(II) bromide 70292-43-2 550 EsBr3 einsteinium(III) bromide 72461-17-7 551 EsCl2 einsteinium(II) chloride 66693-95-6 552 EsCl3 einsteinium(III) chloride 24645-86-1 553 EsF3 einsteinium(III) fluoride 99644-27-6 554 EsI2 einsteinium(II) iodide 70292-44-3 555 EsI3 einsteinium(III) iodide 99644-28-7 556 Eu(CHO2)3 europium(III) formate 3252-55-9 557 Eu(NbO3)2 europium(II) niobate 55216-32-5 558 Eu2(SO4)3 europium(III) sulfate 13537-15-0 559 Eu2O3 europium(III) oxide 1308-96-9 Eu2O3 Monoclinic, Cubic White powder. 351.926 g/mol 7.40 g/cc 2350 °C[1] Negligible 560 EuBr2 europium(II) bromide 13780-48-8 561 EuBr3 europium(III) bromide 13759-88-1 562 EuCl2 europium(II) chloride 13769-20-5 563 EuCl3 europium(III) chloride 10025-76-0 Tricapped trigonal prismatic (nine-coordinate) hexagonal (UCl3 type), hP8 564 EuF2 europium(II) fluoride 14077-39-5 565 EuF3 europium(III) fluoride 13765-25-8 566 EuI2 europium(II) iodide 22015-35-6 567 EuI3 europium(III) iodide 13759-90-5 568 EuN europium(III) nitride 12020-58-5 569 EuS europium(II) sulfide 12020-65-4 570 EuSe europium(II) selenide 12020-66-5 571 EuSi2 europium(II) silicide 12434-24-1 572 EuTe europium(II) telluride 12020-69-8 573 EuVO4 europium(II) vanadate 13537-11-6 574 F2O fluorine monoxide 7783-41-7 difluorine monoxide fluorine monoxide oxygen difluoride oxygen fluoride hypofluorous anhydride OF2 53.9962 g/mol 1.9 g/cc −223.8 °C −144.8 °C 24.5 kJ mol−1 575 F2O2 fluorine dioxide 7783-44-0 dioxygen difluoride fluorine dioxide difluorine dioxide perfluoroperoxide F2O2 69.996 g mol−1 −154 °C, 119 K, -245 °F −57 °C (extrapolated) 576 Fe(AlO2)2 iron(II) aluminate 12068-49-4 577 Fe(C2H3O2)2 iron(II) acetate 3094-87-9 Ferrous acetate Fe(CH3CO2)2 173.93 g/mol 190–200 °C (dec) 578 Fe(H2PO2)3 iron(III) hypophosphite 7783-84-8 579 Fe(NO3)2 iron(II) nitrate 14013-86-6 580 Fe(OH)2 iron(II) hydroxide 18624-44-7 Ferrous hydroxide Fe(OH)2 brown solid 89.86 g/mol 3.4 g/cc [1] 0.00015 g/100 mL (20 °C) Non-flammable 581 Fe(OH)3 iron(III) hydroxide 1309-33-7 582 Fe(VO3)3 iron(III) metavanadate 65842-03-7 583 Fe2(C2O4)3 iron(III) oxalate 19469-07-9 584 Fe2(Cr2O7)3 iron(III) dichromate 10294-53-8 585 Fe2(CrO4)3 iron(III) chromate 10294-52-7 Fe2(CrO4)3 yellow powder 459.671 g/mol insoluble 586 Fe2(SO4)3 iron(III) sulfate 10028-22-5 Ferric sulfate Sulfuric acid, iron(3+) salt (3:2) Fe2(SO4)3 white crystals 399.88 g/mol (anhydrous) 489.96 g/mol (pentahydrate) 3.097 g/cc (anhydrous) 1.898 g/cc (pentahydrate) 480 °C (anhydrous) 175 °C (nonhydrate) Soluble Iron(III) chloride Iron(III) nitrate 587 Fe2O3 iron(III) oxide 1309-37-1 Ferric oxide Hematite Fe2O3 rhombohedral red-brown solid 159.69 g/mol 5.242 g/cc, solid 1566 °C (1838 K) decomp. insoluble −825.50 kJ/mol iron(III) fluoride manganese(III) oxide, cobalt(III) oxide non-flammable 588 Fe2SiO4 iron(II) orthosilicate 10179-73-4 589 Fe3(PO4)2 iron(II) phosphate 14940-41-1 590 Fe3O4 iron(II,III) oxide 1317-61-9 591 Fe4(Fe(CN)6)3 iron(III) ferrocyanide 14038-43-8 592 Fe4(P2O7)3 iron(III) pyrophosphate 10058-44-3 593 FeAs iron(III) arsenic 12044-16-5 594 FeBr2 iron(II) bromide 7789-46-0 Ferrous bromide FeBr2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 yellow-brown solid 215.65 g/mol 4.63 g/cc, solid 684 °C 934 °C soluble Iron(II) chloride iron(III) bromide 595 FeBr3 iron(III) bromide 10031-26-2 Ferric bromide Iron tribromide FeBr3 Trigonal, hR24 brown solid 295.56 g/mol 4.50 g/cc 200 °C (decomposes) 596 FeCl2 iron(II) chloride 7758-94-3 Ferrous chloride, Rokühnite FeCl2 octahedral at Fe Monoclinic tan solid (anhydrous) pale green solid (di-tetrahydrate) 126.751 g/mol (anhydrous) 198.8102 g/mol (tetrahydrate) 3.16 g/cc (anhydrous) 2.30 g/cc (dihydrate) 1.39 g/cc (tetrahydrate) 677 °C (anhydrous) 120 °C (dihydrate) 105 °C (tetrahydrate) [1] 1023 °C (anhydrous) 64.4 g/100 mL (10°C), 68.5 g/100mL (20°C), 105.7 g/100 mL (100°C) Iron(II) fluoride Iron(II) bromide Iron(II) iodide Cobalt(II) chloride Manganese(II) chloride Copper(II) chloride 597 FeCl2-2H2O iron(II) chloride dihydrate 16399-77-2 Ferrous chloride, Rokühnite FeCl2 octahedral at Fe Monoclinic tan solid (anhydrous) pale green solid (di-tetrahydrate) 126.751 g/mol (anhydrous) 198.8102 g/mol (tetrahydrate) 3.16 g/cc (anhydrous) 2.30 g/cc (dihydrate) 1.39 g/cc (tetrahydrate) 677 °C (anhydrous) 120 °C (dihydrate) 105 °C (tetrahydrate) [1] 1023 °C (anhydrous) 64.4 g/100 mL (10°C), 68.5 g/100mL (20°C), 105.7 g/100 mL (100°C) Iron(II) fluoride Iron(II) bromide Iron(II) iodide Cobalt(II) chloride Manganese(II) chloride Copper(II) chloride 598 FeCl2-4H2O iron(II) chloride tetrahydrate 13478-10-9 Ferrous chloride, Rokühnite FeCl2 octahedral at Fe Monoclinic tan solid (anhydrous) pale green solid (di-tetrahydrate) 126.751 g/mol (anhydrous) 198.8102 g/mol (tetrahydrate) 3.16 g/cc (anhydrous) 2.30 g/cc (dihydrate) 1.39 g/cc (tetrahydrate) 677 °C (anhydrous) 120 °C (dihydrate) 105 °C (tetrahydrate) [1] 1023 °C (anhydrous) 64.4 g/100 mL (10°C), 68.5 g/100mL (20°C), 105.7 g/100 mL (100°C) Iron(II) fluoride Iron(II) bromide Iron(II) iodide Cobalt(II) chloride Manganese(II) chloride Copper(II) chloride 599 FeCl3 iron(III) chloride 7705-08-0 Ferric chloride Molysite Flores martis FeCl3 octahedral hexagonal green-black by reflected light; purple-red by transmitted light hexahydrate: yellow solid aq. solutions: brown 162.2 g/mol (anhydrous) 270.3 g/mol (hexahydrate) 2.898 g/cc (anhydrous) 306 °C (anhydrous) 37 °C (hexahydrate) 315 °C (anhydrous, decomp) 280 °C (hexahydrate, decomp) (partial decomposition to FeCl2 + Cl2) 74.4 g/100 mL (0 °C) [1] 92 g/100 mL (20 °C) 92 g/100 mL (hexahydrate, 20 °C) Iron(III) fluoride Iron(III) bromide Iron(II) chloride Manganese(II) chloride Cobalt(II) chloride Ruthenium(III) chloride 40% solution: 12 cP 600 FeCl3-6H2O iron(III) chloride hexahydrate 10025-77-1 Ferric chloride Molysite Flores martis FeCl3 octahedral hexagonal green-black by reflected light; purple-red by transmitted light hexahydrate: yellow solid aq. solutions: brown 162.2 g/mol (anhydrous) 270.3 g/mol (hexahydrate) 2.898 g/cc (anhydrous) 306 °C (anhydrous) 37 °C (hexahydrate) 315 °C (anhydrous, decomp) 280 °C (hexahydrate, decomp) (partial decomposition to FeCl2 + Cl2) 74.4 g/100 mL (0 °C) [1] 92 g/100 mL (20 °C) 92 g/100 mL (hexahydrate, 20 °C) Iron(III) fluoride Iron(III) bromide Iron(II) chloride Manganese(II) chloride Cobalt(II) chloride Ruthenium(III) chloride 40% solution: 12 cP 601 FeCO3 iron(II) carbonate 563-71-3 602 FeCr2O4 iron chromite 1308-31-2 603 FeF2 iron(II) fluoride 7789-28-8 FeF2 Rutile (tetragonal), tP6 white crystalline solid 93.84 g/mol (anhydrous) 165.90 g/mol (tetrahydrate) 4.09 g/cc (anhydrous) 2.20 g/cc (tetrahydrate) 970 °C (anhydrous) 100 °C (tetrahydrate) [1] 1100 °C (anhydrous) insoluble in ethanol, ether; dissolves in HF iron(II) oxide, iron(II) chloride manganese(II) fluoride, cobalt(II) fluoride 604 FeF2-4H2O iron(II) fluoride tetrahydrate 13940-89-1 605 FeF3 iron(III) fluoride 7783-50-8 iron trifluoride, ferric fluoride FeF3 Rhombohedral, hR24 pale green solid 112.84 g/mol 3.87 g/cc >1000°C slightly soluble iron(III) oxide, iron(III) chloride manganese trifluoride, cobalt trifluoride, ruthenium(III) fluoride 606 FeF3-3H2O iron(III) fluoride trihydrate 15469-38-2 607 FeI2 iron(II) iodide 7783-86-0 608 FeI3 iron(III) iodide 15600-49-4 609 FeMoO4 iron(II) molybdate 13718-70-2 610 FeO iron(II) oxide 1345-25-1 Ferrous oxide FeO black crystals 71.844 g/mol 5.745 g/cc 1377 °C, 1650 K, 2511 °F ([1]) 3414 °C, 3687 K, 6177 °F Insoluble insoluble in alkali, dissolves in acid iron(II) fluoride, iron(II) sulfide, iron(II) selenide, iron(II) telluride manganese(II) oxide, cobalt(II) oxide variable 611 FePO4 iron(III) phosphate 10045-86-0 612 FeS iron(II) sulfide 1317-37-9 Iron sulfide FeS black solid 87.910 g/mol 4.84 g/cc 1194 °C negligible (insoluble) reacts in acid variable 613 FeSe iron(II) selenide 1310-32-3 614 FeSO4 iron(II) sulfate 7720-78-7 Ferrous sulphate; Green vitriol; Iron vitriol; Copperas; Melanterite; Szomolnokite FeSO4 blue/green or white crystals 151.908 g/mol (anhydrous) 169.92 g/mol (monohydrate) 278.05 g/mol (heptahydrate) 2.84 g/cc (anhydrous) 1.898 g/cc (heptahydrate) 400 °C (decomp) 25.6 g/100mL (anhydrous) Non-flammable 615 FeTe iron(II) telluride 12125-63-2 616 FeTiO4 iron(II) titanate 12168-52-4 617 FeWO4 iron(II) tungstate 13870-24-1 618 FNO3 fluorine nitrate 7789-26-6 619 FOClO3 fluorine perchlorate 10049-03-3 Fluorine perchlorate FClO4 -167.3 °C -16 °C 9 kcal/mol[1] 620 Ga(NO3)3 gallium(III) nitrate 13494-90-1 621 Ga(OH)3 gallium(III) hydroxide 12023-99-3 Gallium trihydroxide Ga(OH)3 120.7437 g/mol 622 Ga2(SO4)3 gallium(III) sulfate 13494-91-2 623 Ga2Cl4 gallium(I,III) chloride 24597-12-4 624 Ga2O gallium(I) oxide 12024-20-3 625 Ga2O3 gallium(III) oxide 12024-21-4 gallium trioxide, gallium sesquioxide Ga2O3 white crystalline powder 187.444 g/mol 6.44 g/cc, alpha 5.88 g/cc, beta 1900°C, alpha 1725°C, beta [1] insoluble soluble in most acids 626 Ga2S3 gallium(III) sulfide 12024-22-5 627 Ga2Se3 gallium(III) selenide 12024-24-7 gallium triselenide Ga2Se3 reddish-black crystals 376.33 g/mol 4.92 g/cc 1020°C decomposition Gallium(III) oxide, Gallium(III) sulfide, Gallium tribromide, Gallium(III) telluride Aluminium(III) selenide, Indium(III) selenide 628 Ga2Te3 gallium(III) telluride 12024-27-0 gallium telluride Ga2Te3 cubic crystals 522.25 g/mol 5.57 g/cc 790 °C gallium(III) oxide, gallium(III) sulfide, gallium(III) selenide, gallium triiodide aluminium(III) telluride, indium(III) telluride 629 GaAs gallium(III) arsenide 1303-00-0 GaAs Tetrahedral Zinc Blende Gray cubic crystals 144.645 g/mol 5.316 g/cc [1] 1238 °C (1511 K) 0.55 W/(cm*K) (300 K) 1.424 eV (300 K) 8500 cm2/(V*s) (300 K) 3.3 < 0.1 g/100 ml (20 °C) 630 GaBr3 gallium(III) bromide 13450-88-9 gallium tribromide GaBr3 white powder 309.435 g/mol 3.69 g/cc 121.5°C 278.8°C soluble 631 GaCl2 gallium(II) chloride 24597-12-4 632 GaCl3 gallium trichloride 13450-90-3 Gallium(III) chloride, Trichlorogallium, Trichlorogallane GaCl3 colorless crystals 179.03 g/mol 2.47 g/cc 2.053 g/cc at melting point 77.9 °C, 351 K, 172 °F 201 °C, 474 K, 394 °F very soluble Gallium(III) fluoride Gallium(III) bromide Gallium(III) iodide Aluminium chloride Indium(III) chloride Thallium(III) chloride Non-flammable 633 GaF3 gallium(III) fluoride 7783-51-9 gallium trifluoride GaF3 Rhombohedral, hR24 white powder 126.718 g/mol 4.47 g/cc 800 °C 1000°C 0.0002 g/100 mL 634 GaF3-3H2O gallium(III) fluoride trihydrate 22886-66-4 635 GaH3 gallium(III) hydride 13572-93-5 636 GaI3 gallium(III) iodide 13450-91-4 gallium triiodide Ga2I6 light yellow powder 450.436 g/mol 4.15 g/cc 212 °C 345 °C decomposes 637 GaN gallium(III) nitride 25617-97-4 GaN Tetrahedral Wurtzite yellow powder 83.73 g/mol 6.15 g/cc >2500°C[1] 1.3 W/(cm*K) (300 K) 3.2 eV (300 K) 440 cm2/(V*s) (300 K) 2.429 Reacts. Gallium phosphide Gallium arsenide Gallium antimonide Boron nitride Aluminium nitride Indium nitride Non-flammable. 638 GaO gallium(II) oxide 12024-08-07 639 GaP gallium(III) phosphide 12063-98-8 GaP Tetrahedral Zinc Blende pale orange solid 100.697 g/mol 4.138 g/cc 1477 °C, 1750 K, 2691 °F 1.1 W/(cm*K) (300 K) 2.26 eV (300 K) 250 cm2/(V*s) (300 K) 3.02 insoluble Gallium nitride Gallium arsenide Gallium antimonide Aluminium phosphide Indium phosphide 110 °C 640 GaS gallium(II) sulfide 12024-10-1 gallium sulfide GaS hexagonal, hP8 yellow 101.789 g/mol 3.86 g/cc, solid 965°C 641 GaSb gallium(III) antimonide 12064-03-8 Gallium antimonide GaSb Sphalerite, cF8 191.483 g/mol 5.614 g/cc 712 °C 0.32 W/(cm*K) (300 K) 0.726 eV (300 K) 3000 cm2/(V*s) (300 K) 3.8 insoluble non-flammable 642 GaSe gallium(II) selenide 12024-11-2 Gallium monoselenide GaSe hexagonal, hP8 brown solid 148.69 g/mol 5.03 g/cc 960 °C, 1233 K, 1760 °F Gallium(II) oxide, Gallium(II) sulfide, Gallium(II) telluride Zinc(II) selenide, Germanium monoselenide, Indium monoselenide 643 GaTe gallium(II) telluride 12024-14-5 gallium telluride GaTe hexagonal, hP8 black pieces 197.32 g/mol 5.44 g/cc, solid 824°C gallium(II) oxide, gallium(II) sulfide, gallium monoselenide zinc(II) telluride, germanium(II) telluride, indium(II) telluride 644 Gd(CHO2)3 gadolinium(III) formate 3252-56-0 645 Gd2O3 gadolinium(III) oxide 12064-62-9 gadolinium sesquioxide, gadolinium trioxide Gd2O3 Monoclinic, Cubic white odorless powder 362.50 g/mol 7.407 g/cc (15°C) 7.07 g/cc (25 °C) [1] 2420°C insoluble soluble in acid 646 Gd2S3 gadolinium(III) sulfide 12134-77-9 647 Gd2Te3 gadolinium(III) telluride 12160-99-5 648 GdBr3 gadolinium(III) bromide 13818-75-2 649 GdCl3 gadolinium(III) chloride 10138-52-0 Gadolinium trichloride GdCl3 hexagonal, hP8 white crystals hygroscopic 263.61 g/mol 4.52 g/cc 609 °C 1580 °C soluble 650 GdCl3-6H2O gadolinium(III) chloride hexahydrate 19423-81-5 651 GdF3 gadolinium(III) fluoride 13765-26-9 652 GdI2 gadolinium(II) iodide 13814-72-7 653 GdI3 gadolinium(III) iodide 13572-98-0 654 GdN gadolinium(III) nitride 25764-15-2 655 GdSe gadolinium(II) selenide 12024-81-6 656 GdSi2 gadolinium(II) silicide 12134-75-7 657 Ge(CH3O)4 germanium(IV) methoxide 992-91-6 658 Ge3N4 germanium(IV) nitride 12065-36-0 659 GeBr2 germanium(II) bromide 24415-00-7 660 GeBr4 germanium(IV) bromide 13450-92-5 661 GeCl2 germanium(II) chloride 10060-11-4 Germanium(II) chloride, dichlorogermylene GeCl2 white-pale yellow solid 143.546 g/mol 662 GeCl4 germanium(IV) chloride 10038-98-9 Germanium(IV) chloride Germanium chloride GeCl4 colourless liquid 214.40 g/mol 1.879 g/cc (20 °C) 1.844 g/cc (30 °C) [1] -49.5 °C, 224 K, -57 °F 86.5 °C, 360 K, 188 °F 1.464 decomp. soluble in ether, benzene, chloroform, CCl4 insoluble in HCl, H2SO4 Germanium tetrafluoride Germanium tetrabromide Germanium tetraiodide Carbon tetrachloride Silicon tetrachloride Tin(IV) chloride Lead(IV) chloride Not flammable 663 GeF2 germanium(II) fluoride 13940-63-1 664 GeF4 germanium(IV) fluoride 7783-58-6 665 GeH4 germanium(IV) hydride 7782-65-2 Germanium tetrahydride Germanomethane Monogermane GeH4 Colorless gas 76.62 g/mol1 3.3 kg/m3 gas −165 °C (108 K) −88 °C (195 K) O D low 666 GeI2 germanium(II) iodide 13573-08-5 667 GeI4 germanium(IV) iodide 13450-95-8 668 GeO germanium(II) oxide 20619-16-3 669 GeO2 germanuim(IV) oxide 1310-53-8 Germanium(IV) oxide Germania ACC10380 G-15 GeO2 white powder or colourless crystals 104.61 g/mol 4.228 g/cc 400 °C 1200 °C 5.2 g/l (25 °C) 10.7 g/l (100 °C) Germanium disulfide Germanium diselenide Carbon dioxide Silicon dioxide Tin dioxide Lead dioxide Non-flammable 670 GeS germanium(II) sulfide 12025-32-0 671 GeS2 germanium(IV) sulfide 12025-34-2 Germanium(IV) sulfide GeS2 monoclinic, mP36 white solid 136.74 g/mol 2.94 g/cc about 800 °C Germanium dioxide Germanium diselenide Carbon disulfide Silicon sulfide Tin disulfide Lead disulfide 672 GeSe germanium(II) selenide 12065-10-0 673 GeSe2 germanium(IV) selenide 12065-11-1 674 GeTe germanium(II) telluride 12025-39-7 675 Hf(SO4)2 hafnium sulfate 15823-43-5 676 HfB2 hafnium boride 12007-23-7 HfB2 Hexagonal, hP3 200.11 g/mol 10.5 g/cc ca. 3250 °C 677 HfBr4 hafnium bromide 13777-22-5 678 HfC hafnium carbide 12069-85-1 HfC cubic, cF8 black odorless powder 190.50 g/mol 12.2 g/cc, solid >3890 °C (>4163K) insoluble 679 HfCl4 hafnium chloride 13499-05-3 HfCl4 Monoclinic white crystalline solid 320.30 g/mol 432 °C (705 K) 1 mmHg at 190 °C decomposes Hafnium(IV) fluoride Hafnium(IV) bromide Hafnium(IV) iodide Titanium(IV) chloride Zirconium(IV) chloride Non-flammable 680 HfF4 hafnium fluoride 13709-52-9 681 HfH2 hafnium hydride 12770-26-2 682 HfI3 hafnium iodide 13779-73-2 683 HfN hafnium nitride 25817-87-2 684 HfO2 hafnium oxide 12055-23-1 Hafnium dioxide Hafnia HfO2 off-white powder 210.49 g/mol 9.68 g/cc, solid 2758 °C 5400 °C insoluble Titanium(IV) oxide Zirconium(IV) oxide Non-flammable 685 HfP hafnium phosphide 12325-59-6 686 HfS2 hafnium sulfide 18855-94-2 687 HfSe2 hafnium selenide 12162-21-9 688 HfSi2 hafnium silicide 12401-56-8 689 HfSiO4 hafnium orthosilicate 13870-13-8 690 Hg(C2H3O2)2 mercury(II) acetate 1600-27-7 mercuric acetate mercuriacetate C4H6O4Hg white crystals 318.70 g/mol 3.27 g/cm³, solid 179°C (decomposes) 25 g/100 mL (10°C) soluble in alcohol 691 Hg(IO3)2 mercury(II) iodate 7783-32-6 692 Hg(NO3)2 mercury(II) nitrate 10045-94-0 Mercuric nitrate Hg(NO3)2 colorless crystals or white powder 324.7 g/mol 4.3 g/cc (monohydrate) 79 °C (monohydrate) soluble soluble in nitric acid insoluble in alcohol Mercury(II) sulfate Mercury(II) chloride Zinc nitrate Cadmium nitrate Non-flammable 693 Hg(ONC)2 mercury(II) fulminate 628-86-4 Hg(CNO)2 Grey Crystalline solid 284.624 g/mol 4.43 g/cc slightly soluble soluble in ethanol, ammonia 180 °C 694 Hg(SCN)2 mercury(II) thiocyanate 592-85-8 mercuric thiocyanate mercuric sulfocyanate Hg(SCN)2 white monoclinic crystals 316.79 g/mol 3.71 g/cm³, solid decomposes at 165°C 0.070 g/100 mL soluble in dilute hydrochloric acid[1] 695 Hg2Br2 mercury(I) bromide 15385-58-7 Mercurous bromide Hg2Br2 white tetragonal crystals 560.99 g/mol 7.307 g/cm³, solid 405°C sublimes at 340-350°C [1] 3.9 x 10-5 g/100 mL Mercury(I) fluoride Mercury(I) chloride Mercury(I) iodide Zinc bromide Cadmium bromide Mercury(II) bromide non-flammable 696 Hg2Cl2 mercury(I) chloride 10112-91-1 Mercurous chloride Calomel Hg2Cl2 White solid 472.09 g/mol 7.150 g/cc 525 °C (triple point) 383 °C (sublimes) 1.973 0.2 mg/100 mL insoluble in ethanol, ether Mercury(I) fluoride Mercury(I) bromide Mercury(I) iodide Mercury(II) chloride Non-flammable 697 Hg2F2 mercury(I) fluoride 1396-75-4 Mercurous fluoride Hg2F2 yellow cubic crystals 439.177 g/mol 8.73 g/cm³, solid sublimes at -240°C decomposes at 570°C [1] decomposes Mercury(I) chloride Mercury(I) bromide Mercury(I) iodide Zinc fluoride Cadmium fluoride Mercury(II) fluoride non-flammable 698 Hg2I2 mercury(I) iodide 15385-57-6 Mercurous iodide Hg2I2 yellow powder[1] 654.98g mol-1 7.7 g cm-3[2] 140 ËÅ¡C (Sublimes) Slightly soluble in water, insoluble in alcohol 699 Hg2O mercury(I) oxide 15829-53-5 700 HgBr2 mercury(II) bromide 7789-47-1 Mercuric bromide HgBr2 white solid 360.41 g/mol 6.03 g/cm³, solid 236 °C 322 °C Mercury(II) fluoride Mercury(II) chloride Mercury(II) iodide Zinc bromide Cadmium bromide Mercury(I) bromide Non-flammable 701 HgCl2 mercury(II) chloride 7487-94-7 Mercuric chloride Corrosive sublimate HgCl2 linear orthogonal white solid 271.52 g/mol 5.43 g/cc 276 °C, 549 K, 529 °F 304 °C, 577 K, 579 °F zero 7.4 g/100 ml (20 °C) soluble in alcohol, ether, acetone, ethyl acetate slightly soluble in benzene, CS2 Mercury(II) fluoride Mercury(II) bromide Mercury(II) iodide Zinc chloride Cadmium chloride Mercury(I) chloride Non-flammable 3.2 (0.2M solution) 702 HgCl2O8 mercury(II) perchlorate 73491-34-6 703 HgF2 mercury(II) fluoride 7783-39-3 Mercuric fluoride HgF2 Fluorite (cubic), cF12 hygroscopic white cubic crystals 238.59 g/mol 8.95 g/cc decomposes at 645°C reacts[1] Mercury(II) chloride Mercury(II) bromide Mercury(II) iodide Mercury(I) fluoride Cadmium fluoride Thallium(I) fluoride 704 HgH2 mercury(II) hydride 72172-67-9 705 HgI2 mercury(II) iodide 7774-29-0 Mercuric iodide HgI2 scarlet red powder 454.40 g/mol 6.36 g/cc 259 °C 350 °C 6 mg/100 ml Mercury(II) fluoride Mercury(II) chloride Mercury(II) bromide Zinc iodide Cadmium iodide Non-flammable 706 HgO mercury(II) oxide 21908-53-2 Mercuric oxide Montroydite HgO Yellow or red solid 216.59 g/mol 11.14 g/cc 500 °C decomp. 2.2 eV [1] 2.5 (550 nm) [1] Insoluble Mercury sulfide Mercury selenide Mercury telluride Zinc oxide Cadmium oxide Non-flammable 707 HgS mercury(II) sulfide 1344-48-5 Cinnabar Vermillion HgS 232.66 g/mol 8.10 g/cc 580 °C decomp. 2.1 eV (direct, α-HgS) [1] w=2.905, e=3.256, bire=0.3510 (α-HgS) [2] insoluble Mercury oxide Mercury selenide Mercury telluride Zinc sulfide Cadmium sulfide Non-flammable 708 HgSe mercury(II) selenide 20601-83-6 HgSe sphalerite grey-black solid 279.55 g/mol 8.3 g/cc 1270 K 178 J kg−1 K−1 insoluble 247 kJ/mol Mercury oxide Mercury sulfide Mercury telluride Zinc selenide Cadmium selenide Non-flammable 709 HgSO4 mercury(II) sulfate 7783-35-9 mercuric sulfate HgSO4 white monoclinic crystals 296.65 g/mol 6.47 g/cm³, solid reacts with water[1] soluble in hot HSO4, NaCl solution -707.5 kJ mol-1[2] 710 HgTe mercury(II) telluride 12068-90-5 Mercuric telluride, mercury(II) telluride HgTe Sphalerite, cF8 near black cubic crystals 329.18 g/mol 8.1 g/cc 711 Ho(CHO2)3 holmium formate 3252-59-3 712 Ho2O3 holmium oxide 12055-62-8 Holmium oxide, Holmia Ho2O3 Cubic, cI80, SpaceGroup = Ia-3, No. 206 yellow cubic crystals 377.859 g/mol 8.41 g/cc 2415 °C 3900 °C 115.0 J•mol-1•K-1[2] 5.3 eV [1] 1.8 [1] insoluble -1880.7 kJ•mol-1 158.2 J•mol-1•K-1 713 Ho2S3 holmium sulfide 12162-59-3 714 HoBr3 holmium bromide 13825-76-8 715 HoCl3 holmium chloride 10138-62-2 716 HoF3 holmium fluoride 13760-78-6 717 HoI3 holmium iodide 13813-41-7 718 HoN holmium nitride 12029-81-1 719 HoSi2 holmium silicide 12136-24-2 720 HoVO4 holmium vanadate 13977-63-4 721 I2O4 diiodine tetroxide 12399-08-5 722 I2O5 diiodine pentoxide 12029-98-0 723 IBr iodine monobromide 7789-33-5 724 ICl iodine monochloride 7790-99-0 Iodine chloride ICl red to brown liquid 162.35 g/mol 3.10 g/cc 27°C (α-form) 97.4°C (370.6 K) hydrolysis 725 ICl3 iodine trichloride 865-44-1 I2Cl6 yellow solid 466.5281 g/mol 726 IF iodine monofluoride 13873-84-2 727 IF3 iodine(III) fluoride 22520-96-3 728 IF5 iodine pentafluoride 7783-66-6 iodine pentafluoride IF5 tetragonal-pyramidal monoclinic point group C2/c pale yellow liquid 221.89 g/mol 3.250 g/cc 9.43 °C, 283 K, 49 °F 97.85 °C, 371 K, 208 °F reacts [1] Diiodine pentoxide Bromine pentafluoride 729 IF7 iodine heptafluoride 16921-96-3 iodine fluoride heptafluoroiodine IF7 259.90 g/mol1 2.6 g/cc (6 °C) 2.7 g/cc (25 °C) 4.5°C (triple point) 4.8°C (sublimes at 1 atm) soluble [1] 730 In(C2H3O2)3 indium(III) acetate 25114-58-3 731 In(OH)3 indium(III) hydroxide 20661-21-6 732 In2(SO4)3 indium(III) sulfate 13464-82-9 In2(SO4)3 white-gray odorless powder, hygroscopic 517.81 g/mol 3.44 g/cm³, solid decomposes at 600 °C[1] soluble, (53.92g/100g at 20 °C[2]) 733 In2I4 indium(I,III) iodide 13779-78-7 734 In2O3 indium(III) oxide 1312-43-2 indium trioxide In2O3 yellowish green odorless pieces 277.64 g/mol 7.179 g/cc, solid 1910°C insoluble 735 In2S3 indium(III) sulfide 12030-24-9 indium sesquisulfide, diindium trisulphide In2S3 red powder 325.82 g/mol 4.90 g/cm³, solid 1050.0 °C insoluble 736 In2Se3 indium(III) selenide 1312-42-1 indium selenide, indium sesquiselenide In2Se3 black crystalline solid 466.516 g/mol 5.80 g/cm³ 737 In2Te3 indium(III) telluride 1312-45-4 indium tritelluride In2Te3 blue cubic crystals 612.44 g/mol 5.75 g/cm³, solid 667°C[1] 738 IN3 iodine monoazide 14696-82-3 739 InAs indium(III) arsenide 1303-11-3 Indium monoarsenide InAs Zinc Blende 189.740 g/mol 5.67 g/cc 942°C 0.27 W/(cm*K) (300 K) 47.8 J/molK 0.354 eV (300 K) 40000 cm2/(V*s) 3.51 -58.6 kJ·mol-1 75.7 J/molK Indium phosphide Indium antimonide Gallium arsenide 740 InBr indium(I) bromide 14280-53-6 InBr 194.722 g/mol 4.960 g/cc 285 °C 656 °C 741 InBr2 indium(II) bromide 21264-43-7 742 InBr3 indium(III) bromide 13465-09-3 InBr3 Monoclinic, mS16 hygroscopic yellow-white monoclinic crystals 354.530 g/cc 4.74 g/cc 420°C 414 g/100 mL at 20°C -428.9 kJ·mol-1 indium(III) fluoride indium(III) chloride indium(III) iodide 743 InCl indium(I) chloride 13465-10-6 744 InCl2 indium(II) chloride 13465-11-7 745 InCl3 indium(III) chloride 10025-82-8 Indium chloride InCl3 Monoclinic, mS16 white flakes 221.18 g/mol 3.46 g/cc 586 °C 800 °C soluble, exothermic Indium(III) fluoride Indium(III) bromide Indium(III) iodide Aluminium chloride Gallium trichloride Thallium(III) chloride 746 InF indium(I) fluoride 74508-07-9 747 InF3 indium(III) fluoride 7783-52-0 Indium trifluoride InF3 Rhombohedral, hR24 171.82 g/mol 1172°C[1] Indium(III) chloride Indium(III) bromide Indium(III) iodide Aluminum fluoride Gallium(III) fluoride Thallium(I) fluoride non-flammable 748 InF3-3H2O indium(III) fluoride trihydrate 14166-78-0 749 InF3-9H2O indium(III) fluoride nonahydrate 7783-52-0 750 InH indium(I) hydride 13939-13-4 751 InI indium(I) iodide 13465-10-6 752 InI3 indium(III) iodide 13510-35-5 753 InN indium(III) nitride 25617-98-5 Indium(III) nitride InN Tetrahedral Wurtzite (hexagonal) black powder 128.83 g/mol 6.81 g/cc 1100 ºC 0.45 W/(cm*K) (300 K) 0.65 eV (300 K) 3200 cm2/(V*s) (300 K) 2.9 hydrolysis Indium phosphide Indium arsenide Indium antimonide Boron nitride Aluminium nitride Gallium nitride 754 InP indium(III) phosphide 22398-80-7 Indium(III) phosphide InP Tetrahedral Zinc Blende black cubic crystals 145.792 g/mol 4.81 g/cc, solid 1062 °C (1335 K) 0.68 W/(cm*K) (300 K) 45.4 J•mol-1•K-1[3] 1.344 eV (300 K; direct) 5400 cm2/(V*s) (300 K) 3.1 (infrared); 3.55 (632.8 nm)[2] slightly soluble in acids[1] -88.7 kJ•mol-1 59.8 J•mol-1•K-1 Indium nitride Indium arsenide Indium antimonide Aluminium phosphide Gallium phosphide 755 InPO4 indium(III) phosphate 14693-82-4 756 InS indium(II) sulfide 12030-14-7 757 InSb indium(III) antimonide 1312-41-0 Indium antimonide InSb Tetrahedral Zincblende dark grey silvery metal pieces 236.578 g/mol 5.775 g/cc 527 °C[1] 0.18 W/(cm*K) (300 K) 0.17 eV 77000 cm2/(V*s) (300 K) 4 insoluble 758 InSe indium(II) selenide 1312-42-1 759 InTe indium(II) telluride 12030-19-2 760 Ir2O3 iridium(III) oxide 12030-49-8 761 Ir2S3 iridium(III) sulfide 12136-42-4 762 IrBr2 iridium(II) bromide 77791-70-9 763 IrBr3 iridium(III) bromide 10049-24-8 764 IrBr4 iridium(IV) bromide 7789-64-2 765 IrCl2 iridium(II) chloride 13465-17-3 766 IrCl3 iridium(III) chloride 10025-83-9 Iridium trichloride IrCl3 Monoclinic, mS16 dark green solid hygroscopic 298.58 g/mol (anhydrous) 5.30 g/cc, solid 763 °C (decomp.) soluble -257 kJ/mol Iridium(III) fluoride Iridium(III) bromide Iridium(III) iodide Rhodium(III) chloride non-flammable 767 IrCl4 iridium(IV) chloride 10025-97-5 768 IrF3 iridium(III) fluoride 23370-59-4 769 IrF4 iridium(IV) fluoride 37501-24-9 Iridium tetrafluoride IrF4 dark brown solid 268.2109 g/mol iridium dioxide, iridium tetrachloride, iridium tetrabromide rhodium(IV) fluoride, osmium(IV) fluoride, platinum(IV) fluoride 770 IrF5 iridium(V) fluoride 14568-19-5 Iridium pentafluoride IrF5 yellow solid 287.209 g/mol 104.5°C rhodium(V) fluoride, osmium pentafluoride, platinum(V) fluoride 771 IrF6 iridium(VI) fluoride 7783-75-7 iridium hexafluoride IrF6 yellow solid 306.2 5.11 g cm−1 (−140 °C) 44 °C 53 °C soluble in HF rhodium(VI) fluoride, osmium hexafluoride, platinum hexafluoride 772 IrI2 iridium(II) iodide 19253-38-4 773 IrI3 iridium(III) iodide 7790-41-2 774 IrI4 iridium(IV) iodide 7790-45-6 775 IrO2 iridium(IV) oxide 12030-49-8 Iridium dioxide IrO2 Octahedral (Ir); Trigonal (O) Rutile (tetragonal) black solid 224.22 g/mol 11.66 g/cc 1100 °C decomp. insoluble iridium(IV) fluoride, iridium disulfide rhodium dioxide, osmium dioxide, platinum dioxide Non-flammable 776 IrO2-2H2O iridium(II) oxide dihydrate 30980-84-8 777 IrS2 iridium(IV) sulfide 12030-51-2 778 IrSe2 iridium(III) selenide 12030-55-6 779 IrTe3 iridium(III) telluride 12196-62-2 780 K(HF)2 potassium bifluoride 7789-29-9 Potassium hydrogen difluoride HF2K monoclinic colourless solid 78.103 g/mol 2.37 g/cc 239 °C decomp. Potassium fluoride Sodium bifluoride, ammonium bifluoride non flammable 781 K2C2O4 potassium oxalate 583-52-8 782 K2C4H6O6 potassium tartrate 921-53-9 Dipotassium tartrate; Argol; E336 C4H4K2O6 226.27 g/mol 783 K2C6H8O4 potassium adipate 19147-16-1 K2C6H8O4 784 K2CO3 potassium carbonate 584-08-7 785 K2Cr2O7 potassium dichromate 7778-50-9 Potassium bichromate K2Cr2O7 Tetrahedral (for Cr) Triclinic (α-form, <241.6 °C) red-orange crystalline solid 294.185 g/mol 2.676 g/cc, solid 398°C 500°C decomp. 4.9 g/100 ml (0°C) 102 g/100 mL (100 °C) insoluble in alcohol -2033 kJ/mol 291.2 J K−1 mol−1 Potassium chromate Potassium molybdate Potassium tungstate Ammonium dichromate Sodium dichromate non-flammable 786 K2CrO4 potassium chromate 7789-00-6 Chromic acid, (H2CrO4), dipotassium salt CrK2O4 Yellow odorless powder 194.19 g mol−1 2.7320 g/cc 968 °C, 1241 K, 1774 °F 1000 °C, 1273 K, 1832 °F 63 g/100 mL (20 °C) insoluble in alcohol Potassium dichromate Potassium molybdate Potassium tungstate Sodium chromate Calcium chromate Barium chromate 787 K2FeO4 potassium ferrate 39469-86-8 Potassium ferrate Dipotassium ferrate K2FeO4 Tetrahedral K2SO4 motif Dark purple solid 198.0392 g/mol 2.829 g/cc, solid >198 °C (decomposition temp) 0 D soluble in 1M KOH K2MnO4 K2CrO4 K2RuO4 BaFeO4 Na2FeO4 non-combustible 788 K2H2S2O3 potassium thiosulfate 10294-66-3 789 K2O potassium oxide 12136-45-7 Potassium monoxide K2O Tetrahedral (K+); cubic (O2–) Antifluorite (cubic), cF12 pale yellow solid 94.20 g/mol 2.35 g/cc >490 °C decomp. Decomposes violently, forming KOH Potassium sulfide Lithium oxide Sodium oxide Rubidium oxide Caesium oxide Non-flammable 790 K2O2 potassium peroxide 17014-71-0 K2O2 Orthorombic yellow amorphous solid 110.196 g/mol 490°C reacts with water[1] -494.1 kJ•mol-1 102.1 J•mol-1•K-1[1] Potassium oxide Potassium superoxide Potassium chloride Lithium peroxide Sodium peroxide 791 K2PdCl4 potassium tetrachloropallidate 10025-98-6 792 K2RuCl6 potassium hexachlororuthenate 18746-63-9 793 K2S potassium sulfide 1312-73-8 Dipotassium monosulfide, Dipotassium sulfide, Potassium monosulfide K2S antiFluorite pure: colourless impure: yellow-brown 110.262 g/mol 1.8 g/cc 840 °C decomposes converts to KSH, KOH 794 K2S2O5 potassium metabisulfite 16731-55-8 Potassium pyrosulfite Dipotassium disulfite K2O5S2 White crystalline powder with pungent odour 222.32 g mol−1 2.34 g/cc (solid) 190 °C decomp. good Potassium bisulfite Potassium sulfite Sodium metabisulfite 795 K2S2O7 potassium pyrosulfate 7790-62-7 dipotassium (sulfonatooxy)sulfonate; Potassium pyrosulphate; potassium disulfate K2O7S2 254.32 g mol−1 2.28 g/cc 325 °C, 598 K, 617 °F soluble 796 K2S2O8 potassium persulfate 7727-21-1 potassium peroxydisulfate Anthion potassium perdisulfate K2S2O8 white powder 270.322 g/mol 2.477 g/cc [1] <100 °C decomp. 1.75 g/100 mL (0 °C) 5.29 g/100 ml (20 ºC) Potassium sulfite Potassium sulfate Potassium peroxymonosulfate Sodium persulfate Non-flammable 797 K2Se potassium selenide 1312-74-9 798 K2SiF6 potassium hexafluorosilicate 16871-90-2 799 K2SiO4 potassium silicate 10006-28-7 Waterglass Liquid glass K2O3Si 154.28 g mol−1 Soluble Potassium carbonate Potassium germanate Potassium stannate Potassium plumbate Sodiumsilicate 800 K2SO4 potassium sulfate 7778-80-5 Potassium sulphate K2SO4 orthorhombic White crystalline solid 174.259 g/mol 2.66 g/cc [1] 1069 °C, 1342 K, 1956 °F 1689 °C, 1962 K, 3072 °F 11.1 g/100 ml (20 °C) 12 g/100 mL (25 °C) 24 g/100 mL (100 °C) slightly soluble in glycerol insoluble in acetone, alcohol, CS2 Potassium selenate Potassium tellurate Lithium sulfate Sodium sulfate Rubidium sulfate Caesium sulfate Non-flammable 801 K2Te potassium telluride 12142-40-4 802 K2TeO3 potassium tellurite 15571-91-2 803 K2TiF6 potassium hexafluorotitanate 16919-27-0 804 K2ZrF6 potassium hexafluorozirconate 16923-95-8 805 K3(Fe(CN)6) potassium ferricyanide 13746-66-2 Red prussiate Prussian red Potassium ferricyanide C6N6FeK3 octahedral at Fe monoclinic deep red crystals 329.24 g/mol 1.89 g/cc, solid 300 °C, 573 K, 572 °F decomp. 33 g/100 mL ("cold water") 46.4 g/100mL (20°C) 77.5 g/100 mL ("hot water")[1] slightly soluble in alcohol soluble in acid Potassium ferrocyanide Prussian blue Non-flammable 806 K3AlF6 potassium hexafluoroaluminate 13775-52-5 807 K3PO4 potassium phosphate 7778-53-2 808 K4P2O7 potassium pyrophosphate 7320-34-5 809 KAlF4 potassium tetrafluoroaluminate 14484-69-6 potassium tetrafluoroaluminate KAlF4 White solid 142 2.9 g/cc > 600 °C 2 g/L 810 KAlO2 potassium aluminate 12003-63-3 K2Al2O4 196.157 g/mol very soluble 811 KBF4 potassium fluoroborate 14075-53-7 812 KBr potassium bromide 7758-02-3 KBr octahedral Sodium chloride white solid 119.002 g/mol 2.75 g/cc 734 °C, 1007 K, 1353 °F 1435 °C, 1708 K, 2615 °F 10.41 D (gas) 53.5 g/100 ml (0 °C) 102 g/100 mL (100 °C) Potassium fluoride Potassium chloride Potassium iodide Lithium bromide Sodium bromide Rubidium bromide Caesium bromide 813 KBrO3 potassium bromate 7758-01-2 Potassium bromate(V) Bromic acid, potassium salt Bromated flour KBrO3 white crystalline powder 167.00 g/mol 3.27 g/cc 350 °C 370 °C (decomposes) 6.91 g/100 mL (20°C) 13.3 g/100 mL (40 °C) slightly soluble in alcohol insoluble in acetone Non-flammable 814 KC2H3O2 potassium acetate 127-08-2 potassium salt CH3COOK white crystalline powder deliquescent 98.15 g/mol 1.57 g/cc 292°C 253 g/100 mL (20 °C) 492 g/100 mL (62 °C) soluble in methanol, ethanol, liquid ammonia insoluble in ether, acetone 9.7 (0.1M solution) 815 KC2H5O potassium ethoxide 917-58-8 816 KC2HO4 potassium binoxalate 127-95-7 817 KC3H5O2 potassium propionate 327-62-8 818 KC3H5S2O potassium xanthogenate 140-89-6 819 KC3H7NS2 potassium dimethyldithiocarbamate 128-03-0 820 KC4H5O6 potassium bitartrate 868-14-4 potassium hydrogen tartrate cream of tartar potassium acid tartrate monopotassium tartrate KC4H5O6 white crystalline powder 188.177 1.05 g/cc (solid) 821 KC7H5O2 potassium benzoate 582-25-2 Benzoic acid, potassium salt C7H5KO2 White solid 160.2117 g/mol 822 KCH3O potassium methoxide 865-33-8 823 KCHF3O3S potassium trifluoromethanesulfonate 2927-26-4 824 KCHO2 potassium formate 590-29-4 CHKO2 colorless crystals deliquescent 84.12 g mol−1 1.908 g/cc 167.5 °C, 441 K, 334 °F Decomposes 32.8 g/100 mL (0 °C) 657 g/100 mL (80 °C) soluble in alcohol insoluble in ether 825 KCl potassium chloride 7447-40-7 Sylvite Muriate of potash KCl face centered cubic white crystalline solid 74.551 g/mol 1.984 g/cc 770 °C 1420 °C (sublimes) 1.33743 28.1 g/100 ml (0 °C) 34.4 g/100 ml (20 °C) 56.7 g/100 ml (100 °C) soluble in ether, glycerol, alkalies slightly soluble in alcohol Potassium fluoride Potassium bromide Potassium iodide Lithium chloride Sodium chloride Rubidium chloride Caesium chloride Non-flammable 826 KClO3 potassium chlorate 3811-04-9 Potassium chlorate(V), Potcrate KClO3 monoclinic White crystals or powder 122.55 g/mol 2.34 g/cc 356 °C 400 °C decomp. 1.40835 7.19 g/100 ml (20 °C) 57 g/100 mL (100 °C) insoluble in acetone, liquid ammonia Potassium bromate Potassium iodate Ammonium chlorate Sodium chlorate Barium chlorate 400 °C 827 KClO4 potassium perchlorate 7778-74-7 Potassium chlorate(VII) Perchloric acid, potassium salt peroidin KClO4 rhombohedral Colourless/white crystalline powder 138.55 g/mol 2.5239 g/cc 525 °C 600 °C (decomp.) 0.75 g/100 mL (0 °C) 1.5 g/100 mL (25 °C)[1] 21.8 g/100 mL (100 °C) negligible in alcohol insoluble in ether Potassium chloride Potassium chlorate Potassium periodate Ammonium perchlorate Sodium perchlorate 828 KCN potassium cyanide 151-50-8 KCN White crystalline solid deliquescent 65.12 g/mol 1.52 g/cc 634.5 °C 1625 ºC 71.6 g/100 ml (25 °C) 100 g/100 mL (100 °C) −131.5 kJ/mol 127.8 J K−1 mol−1 Potassium cyanate Potassium thiocyanate Sodium cyanide Non-flammable 829 KCNO potassium cyanate 590-28-3 KOCN white powder 81.1151 g/mol 2.056 g/cc 315 °C ~ 700°C, decomp. 75 g/100 ml 830 KF potassium fluoride 7789-23-3 KF colourless crystals 58.0967 g/mol 2.48 g/cc 858 °C 1505 °C 92 g/100 mL (18 °C) soluble in HF insoluble in alcohol Potassium chloride Potassium bromide Potassium iodide Lithium fluoride Sodium fluoride Rubidium fluoride Caesium fluoride Non-flammable 831 KH potassium hydride 7693-26-7 KH cubic, cF8 colourless crystals 40.1062 g/mol 1.47 g/cc 316 °C Lithium hydride Sodium hydride Rubidium hydride Caesium hydride 832 KH2PO4 potassium diphosphate 7778-77-0 833 KH4B potassium borohydride 13762-51-1 834 KHCO3 potassium bicarbonate 298-14-6 potassium acid carbonate KHCO3 white crystals 100.115 g/mol 2.17 g/cc 292 °C 22.49 g/100 mL (20 °C) 60 g/100 mL (60 °C) practically insoluble in alcohol Potassium carbonate Sodium bicarbonate Ammonium bicarbonate Non-Flammable 8.2 (0.1M) 835 KHSO4 potassium bisulfate 7646-93-7 Potassium acid sulfate KHSO4 136.169 g/mol 2.245 g/cc 197 °C Dec. > 300 °C 490 g/L 836 KI potassium iodide 7681-11-0 KI white crystalline solid 166.0028 g/mol 3.123 g/cc 681 °C, 954 K, 1258 °F 1330 °C, 1603 K, 2426 °F 128 g/100 ml (6 °C) 140 g/100 mL (20 °C) 2 g/100 mL (ethanol) soluble in acetone slightly soluble in ether, ammonia Potassium fluoride Potassium chloride Potassium bromide Lithium iodide Sodium iodide Rubidium iodide Caesium iodide 837 KIO3 potassium iodate 7758-05-6 Iodic acid, potassium salt KIO3 white crystalline powder 214.001 g/mol 3.89 g/cc 560 °C decomp. 4.74 g/100 mL (0 °C) 32.3 g/100 mL (100 °C) soluble in KI solution insoluble in alcohol, liquid ammonia Potassium chlorate Potassium bromate Sodium iodate Non-flammable 838 KIO4 potassium periodate 7790-21-8 potassium metaperiodate IKO4 white powder 230 g mol−1 3.618 g/cc 582 °C, 855 K, 1080 °F 0.42 g/100 mL (20 °C) 4.4 g/100 mL (80 °C) Potassium iodide Potassium iodate Sodium periodate 839 KMnO4 potassium permanganate 7722-64-7 Potassium permanganate Chameleon mineral Condy's crystals Permanganate of potash KMnO4 Orthorhombic purplish-bronze-gray needles magenta–rose in solution 158.034 g/mol 2.703 g/cc 240 °C decomp. 6.38 g/100 ml (20 °C) 25 g/100 mL (65 °C) decomposes in alcohol and organic solvents −813.4 kJ/mol 171.7 J K−1 mol−1 Potassium manganite Potassium manganate Sodium permanganate Ammonium permanganate 840 KN3 potassium azide 20762-60-1 841 KNbO3 potassium niobate 12030-85-2 842 KNO2 potassium nitrite 7758-09-0 KNO2 white or slight yellow solid deliquescent 85.1038 g/mol 1.915 c/cm3 440 °C (decomp) 281 g/100 mL (0 °C) 413 g/100 mL (100 °C) soluble in alcohol, ammonia Potassium nitrate Sodium nitrite Non-flammable 843 KNO3 potassium nitrate 7757-79-1 Saltpetre Nitrate of potash Vesta powder KNO3 Orthorhombic, Aragonite white solid Phase behaviour Solid, liquid, gas 101.103 g/mol 2.109 g/cc (16 °C) 334 °C 400 °C decomp. UV, IR, NMR, MS 13.3 g/100 mL (0 °C) 36 g/100 mL (25 °C) 247 g/100 mL (100 °C) slightly soluble in ethanol soluble in glycerol, ammonia Potassium nitrite Lithium nitrate Sodium nitrate Rubidium nitrate Caesium nitrate Non-flammable 844 KO2 potassium superoxide 12030-88-5 Potassium superoxide KO2 yellow solid 71.0971 g/mol 2.14 g/cc, solid 560 °C decomp. decomposes Potassium oxide Potassium peroxide Sodium superoxide 845 KOH potassium hydroxide 1310-58-3 Caustic potash Potash lye Potassia Potassium hydrate KOH rhombohedral monoclinic white solid, deliquescent 56.1056 g/mol 2.044 g/cc 420 °C 1327 °C 1.409 110 g/100 mL (25 °C) 178 g/100 mL (100 °C) soluble in alcohol, glycerol insoluble in ether, liquid ammonia Potassium hydrosulfide Potassium amide Lithium hydroxide Sodium hydroxide Rubidium hydroxide Caesium hydroxide Non-flammable 13.5 (0.1 M) 846 KPF6 potassium hexafluorophosphate 17084-13-8 F6KP colourless solid 184.0625 g/mol 2.75 g/cc 575 °C 0.432M (25 °C) 847 KPO3 potassium metaphosphate 7790-53-6 848 KReO4 potassium perrhenate 10466-65-6 849 KrF2 krypton difluoride 13773-81-4 krypton difluoride, krypton fluoride KrF2 Body Centred Tetragonal colourless solid[1] 121.7968 g/mol 3.24 g/cc solid[1] 25 °C (decomposes) 0 D reacts slightly soluble in liquid fluorine 850 KRuO4 potassium perruthenate 10378-50-4 851 KSCN potassium thiocyanate 333-20-0 potassium sulfocyanate potassium isothiocyanate potassium thiocyanide KSCN colorless crystals deliquescent 97.181 g/mol 1.886 g/cc 173.2 °C 500 °C (decomp) 177 g/100 mL (0 °C) 217 g/100 mL (20 °C) Potassium cyanate Potassium cyanide Sodium thiocyanate Ammonium thiocyanate 852 KVO3 potassium metavanadate 13769-43-2 853 La(CHO2)3 lanthanum formate 2081-11-0 854 La2O3 lanthanum oxide 1312-81-8 Lanthanum sesquioxide Lanthana La2O3 Hexagonal, hP5 White powder, hygroscopic Phase behaviour Solid, liquid, gas 325.81 g/mol 6.51 g/cc, solid 2315°C (2590 K) 4200°C (4500 K) 4.3 eV UV, IR, NMR, MS Insoluble Non-flammable 855 La2S3 lanthanum sulfide 12031-49-1 856 LaAlO3 lanthanum aluminate 71496-78-1 857 LaB6 lanthanum boride 12008-21-8 Lanthanum boride LaB6 Cubic intense purple violet 203.78 g/mol 4.72 g/cc 2210 °C insoluble 858 LaBr3 lanthanum bromide 13536-79-3 859 LaC2 lanthanum carbide 12071-15-7 LaC2 6 Tetragonal tetrahedral crystals 162.927 g/mol 5.29 g/cc, solid 2360°C 860 LaCl3 lanthanum chloride 10099-58-8 Lanthanum trichloride LaCl3 Tricapped trigonal prismatic (nine-coordinate) hexagonal (UCl3 type), hP8 white odorless powder hygroscopic 245.26 g/mol (anhydrous) 371.37 g/mol (heptahydrate) 3.84 g/cc 850°C (anhydrous) [1] 91 °C (heptahydrate) 1000°C (anhydrous) very soluble soluble in ethanol (heptahydrate) 861 LaCl3-3H2O lanthanum chloride trihydrate 35564-84-2 862 LaCl3-7H2O lanthanum chloride heptahydrate 10025-84-0 863 LaF3 lanthanum fluoride 13709-38-1 864 LaH3 lanthanum hydride 13864-01-2 865 LaI3 lanthanum iodide 13813-22-4 866 LaN lanthanum nitride 25764-10-7 867 LaNbO4 lanthanum niobate 12031-17-3 868 LaSi2 lanthanum silicide 12056-90-5 869 LaVO4 lanthanum vanadate 13939-40-7 870 Li2B4O7 lithium borate 12007-60-2 Lithium borate Li2B4O7 white powder 169.11 g/mol 2.4 g/cc, solid 917°C moderately soluble 871 Li2CO3 lithium carbonate 554-13-2 Dilithium carbonate, Carbolith, Cibalith-S, Duralith, Eskalith, Lithane, Lithizine, Lithobid, Lithonate, Lithotabs Priadel Li2CO3 Odorless white powder 73.891 g/mol 2.11 g/cc 723 °C 1310 °C decomp. 1.341 J/g K 1.428 [1] 1.54 g/100 mL (0 °C) 1.32 g/100 mL (20 °C) 0.72 g/100 mL (100 °C) insoluble in acetone and ethanol -16.46 kJ/g Sodium carbonate Potassium carbonate Rubidium carbonate Caesium carbonate Non-flammable 872 Li2MoO4 lithium molybdate 13568-40-6 Li2MoO4 white odorless powder hygroscopic 173.82 g/mol 2.66 g/cc, solid 705°C very soluble sodium molybdate 873 Li2O lithium oxide 12057-24-8 Lithium monoxide Lithia Li2O Tetrahedral (Li+); cubic (O2–) Antifluorite (cubic), cF12 white solid 29.88 g/mol 2.013 g/cc 1570 °C, 1843 K, 2858 °F 18.105 J/g K 1.644 [1] decomposes 6.67 g/100 mL (0 °C) 10.02 g/100 mL (100 °C) -20.01 kJ/g Lithium sulfide Sodium oxide Potassium oxide Rubidium oxide Caesium oxide Non-flammable 874 Li2O2 lithium peroxide 12031-80-0 Dilithium peroxide, Lithium (I) peroxide Li2O2 fine odorless, white powder 45.881 g/mol 1.2063 g/cc 195°C Decomposes to Li2O soluble -13.82 kJ/g 875 Li2S lithium sulfide 12136-58-2 Li2S Tetrahedral (Li+); cubic (S2–) Antifluorite (cubic), cF12 white solid 46.95 g/mol 1.66 g/cc 938 °C (1211 K) 1372 °C (1645 K) -9.401 kJ/g Lithium oxide Sodium sulfide Potassium sulfide 876 Li2Se lithium selenide 12136-60-6 877 Li2SiO3 lithium metasilicate 10102-24-6 878 Li2SO4 lithium sulfate 10377-48-7 Li2SO4 White crystalline solid, hygroscopic 109.94 g/mol 2.221 g/cc (anhydrous) 2.06 g/cc (monohydrate) 859 °C 1377 °C 1.07 J/g K 1.465 [2] anhydrous: 26.1 g/100 mL (0 °C) 23.2 g/100 mL (100 °C) [1] monohydrate: 34.9 g/100 mL (25 °C) 29.2 g/100 mL (100 °C) insoluble in absolute ethanol, acetone and pyridine -13.07 kJ/g Sodium sulfate Potassium sulfate 879 Li2Te lithium telluride 12136-59-3 880 Li2TiO3 lithium titanate 12031-82-2 881 Li2ZrO3 lithium zirconate 12031-83-83 882 Li3AlF6 lithium hexafluoroaluminate 13821-20-0 883 Li3AsO4 lithium arsenate 13478-14-3 884 Li3C6H5O7 lithium citrate 919-16-4 Trilithium citrate trilithium 2-hydroxypropane-1,2,3-tricarboxylate Li3C6H5O7 Odorless white powder 209.923 g mol−1 decomposes at 105 °C N/A 885 Li3ClO4 lithium perchlorate 7791-03-9 Perchloric acid, lithium salt LiClO4 white crystals 106.39 g/mol 2.42 g/cc, solid 236 °C 430 °C (with decomp.) 60 g/100 mL -3.581 kJ/g Lithium chloride Lithium hypochlorite Lithium chlorate Sodium perchlorate Potassium perchlorate Caesium perchlorate 886 Li3N lithium nitride 26134-62-3 Li3N red, purple solid 34.83 g/mol 1.270 g/cc 813 °C, 1086 K, 1495 °F reacts Lithium oxide Sodium nitride 887 Li3PO4 lithium phosphate 10377-52-3 888 Li3Sb lithium antimonide 12057-30-6 889 LiAlH4 lithium tetrahydridoaluminate 16853-85-3 LAH, Lithium alanate, Lithium tetrahydridoaluminate Aluminate(1-), tetrahydro-, lithium, (T-4)- Lithal (UK slang) LiAlH4 monoclinic white crystals (pure samples) grey powder (commercial material) hygroscopic 37.95 g/mol 0.917 g/cc, solid 150 °C (423 K), decomposing reactive 125 °C 890 LiAlO2 lithium aluminate 12003-67-7 Lithium metaaluminate Aluminate (AlO21-), lithium Lithium aluminum oxide LiAlO2 white crystalline powder 65.921 g/mol 2.615 g/cc, solid >1625 °C insoluble 891 LiBF4 lithium tetrafluoroborate 14283-07-9 Borate(1-), tetrafluoro-, lithium LiBF4 White/grey crystalline solid 93.746 g/mol 0.852 g/cc solid 296.5 °C decomp Very soluble [1] Tetrafluoroborate, 892 LiBH4 lithium borohydride 16949-15-8 Lithium hydroborate, Lithium tetrahydroborate Borate(1-), tetrahydro-, lithium LiBH4 White solid 21.784 g/mol 0.666 g/cc[1] 275 °C[1] 380 °C (decomp) 3.792 J/g K reacts -8.759 kJ/g 893 LiBO2 lithium metaborate 13453-69-5 boric acid, lithium salt LiBO2 white hygroscopic monoclinic crystals 49.751 g/mol 2.223 g/cc 849°C 1.202 J/(g K) very soluble soluble in ethanol -20.75 kJ/g 894 LiBr lithium bromide 7550-35-8 LiBr White solid 86.845(3) g/mol 3.464 g/cc 552 °C 1265 °C 1.784 145 g/100 mL (4 °C) 254 g/100 mL (90 °C) soluble in methanol, ethanol, ether slightly soluble in pyridine -4.044 kJ/g Lithium fluoride Lithium chloride Lithium iodide Sodium bromide Potassium bromide Rubidium bromide Caesium bromide 29 °C 895 LiC7H5O2 lithium benzoate 553-54-8 896 LiCH3O lithium methoxide 865-34-9 897 LiCHO2 lithium formate 556-63-8 898 LiCl lithium chloride 7447-41-8 899 LiCl-H2O lithium chloride monohydrate 16712-20-2 900 LiClO4 lithium perchlorate 7791-03-9 Perchloric acid, lithium salt LiClO4 white crystals 106.39 g/mol 2.42 g/cc, solid 236 °C 430 °C (with decomp.) 60 g/100 mL -3.581 kJ/g Lithium chloride Lithium hypochlorite Lithium chlorate Sodium perchlorate Potassium perchlorate Caesium perchlorate 901 LiF lithium fluoride 7789-24-4 LiF Cubic white powder or transparent crystals, non-hygroscopic 25.939(2) g/mol 2.635 g/cc 845 °C, 1118 K, 1553 °F 1676 °C, 1949 K, 3049 °F 1.604 J/(g K) 1.39937 0.27 g/100 mL (18 °C) [1] soluble in HF insoluble in alcohol -23.75 kJ/g 1.376 J/(g K) Lithium chloride Lithium bromide Lithium iodide Sodium fluoride Potassium fluoride Rubidium fluoride Caesium fluoride 902 LiH lithium hydride 7580-67-8 LiH colorless to gray solid 7.95 g/mol 0.82 g/cc,[1] solid 692 °C[2] 3.51 J/(g.K) reacts -11.39 kJ/g Sodium hydride Potassium hydride Rubidium hydride Cesium hydride 200 °C 903 LiI lithium iodide 10377-51-2 LiI White crystalline solid 133.85 g/mol 4.076 g/cc (anhydrous) 3.494 g/cc (trihydrate) 459 °C 1171 °C 0.381 J/g K 1.955 151 g/100 mL (25 °C) 433 g/100 mL (100 °C) [1] -2.02 kJ/g Lithium fluoride Lithium chloride Lithium bromide. Sodium iodide Potassium iodide Rubidium iodide Caesium iodide Non-flammable 904 LiI-3H2O lithium iodide trihydrate 7790-22-9 905 LiN(C3H7)2 lithium diisopropylamide 4111-54-0 LDA C6H14LiN or LiN(C3H7)2 107.1233 g/mol 0.79 g/cm³ Reacts with water 36 (THF) [1] 906 LiN3 lithium azide 19597-69-4 907 LiNbO3 lithium niobate 12031-63-9 LiNbO3 trigonal colorless solid 147.846 g/mol 4.65 g/cc [1] 1257 °C[1] 4 eV 2.007 None 908 LiNH2 lithium amide 7782-89-0 Lithamide LiNH2 white solid 22.96 g/mol 1.178 g/cc 390 °C 430 °C decomposes 909 LiNO3 lithium nitrate 7790-69-4 910 LiO2 lithium superoxide 12136-56-0 LiO2 yellow crystalline solid 38.94 g/mol g/cc, solid <25°C (decomposes) 911 LiOH lithium hydroxide 1310-65-2 Lithine LiOH hygroscopic white solid odorless 23.95 g/mol 1.46 g/cc (anhydrous) 1.51 g/cc (monohydrate) 462 °C 924 °C decomp. 2.071 J/g K 1.464 (anhydrous) 1.460 (monohydrate) anhydrous: 12.8 g/100 mL (20 °C) 12.5 g/100 mL (25 °C) 17.5 g/100 mL (100 °C) monohydrate: 22.3 g/100 mL (10 °C) 26.8 g/100 mL (100 °C) [1] -20.36 kJ/g Lithium amide Sodium hydroxide Potassium hydroxide Rubidium hydroxide Caesium hydroxide Non-flammable 912 LiPF6 lithium hexafluorophosphate 21324-40-3 LiPF6 white powder 151.905 g/mol 1.5 g/cc 200 °C soluble Lithium tetrafluoroborate Sodium hexafluorophosphate Potassium hexafluorophosphate Ammonium hexafluorophosphate Non-flammable 913 LiPH2O4 lithium dihydrogenphosphate 13453-80-0 914 LiReO4 lithium perrhenate 13768-48-4 915 LiTaO3 lithium tantalate 12031-66-2 Lithium Metatantalate LiTaO3 Trigonal Phase behaviour Solid, liquid, gas 235.887 g/mol 7.46 g/cm³, solid 1650 °C (1923 K) UV, IR, NMR, MS ?/100 ml (25 °C) LiNbO3 916 LiVO3 lithium metavanadate 15060-59-0 917 Lu(NO3)3 lutetium nitrate 36549-50-5 918 Lu2O3 lutetium oxide 12032-20-1 Lutetium oxide Lu2O3 Phase behaviour Solid, liquid, gas 397.932 g/mol 2490 °C 3980°C UV, IR, NMR, MS N/A< 919 Lu2S3 lutetium sulfide 12163-20-1 920 Lu2Te3 letetium telluride 12163-22-3 921 LuB4 lutetium boride 12688-52-7 922 LuBr3 lutetium bromide 14456-53-2 923 LuCl3 lutetium chloride 10099-66-8 Lutetium chloride, lutetium trichloride LuCl3 Monoclinic, mS16 colorless or white monoclinic crystals 281.325 g/mol 3.98 g/cm³ 905°C[1] sublimes above 750°C[2] soluble[3] Lutetium(III) oxide Scandium(III) chloride Yttrium(III) chloride 924 LuF3 lutetium fluoride 13760-81-1 925 LuI3 lutetium iodide 13813-45-1 926 LuN lutetium nitride 12125-25-6 927 Mg(C2H2O2)2 magnesium succinate 556-31-1 928 Mg(ClO4)2 magnesium perchlorate 10034-81-8 Mg(ClO4)2 white powder, deliquescent 223.206 g/mol 2.21 g/cc 251 °C decomposition 99.3 g/100 mL Calcium perchlorate Barium perchlorate 929 Mg(NO3)2 magnesium nitrate 10377-60-3 Nitromagnesite (hexahydrate) Mg(NO3)2 White crystalline solid 148.30 g/mol 256.30 g/mol (hexahydrate) 2.3 g/cc (anhydrous) 1.46 g/cc, solid (dihydrate) 88.9 °C (362 K), hexahydrate 330 °C (603 K) decomp. 1.34 (hexahydrate) 125 g/100 mL moderately soluble in ethanol Magnesium sulfate Magnesium chloride Beryllium nitrate Calcium nitrate Strontium nitrate Barium nitrate Non-flammable 930 Mg(OH)2 magnesium hydroxide 1309-42-8 Milk of Magnesia Mg(OH)2 White solid 58.3197 g/mol 2.3446 g/cc 350 °C (decomp.) 1.559 [1] 1.2 mg/100 mL −925 kJ/mol 63 J K−1 mol−1 Magnesium oxide Beryllium hydroxide Calcium hydroxide Strontium hydroxide Barium hydroxide Non-flammable 931 Mg(TcO4)2 magnesium technetate 71683-38-0 932 Mg2Si magnesium silicide 22831-39-6 Mg2Si 76.6955 g/mol 1.988 g/cc 1102 °C reacts Calcium silicide 933 Mg3(AsO4)2 magnesium arsenate 10103-50-1 934 Mg3N2 magnesium nitride 12057-71-5 935 Mg3Sb2 magnesium antimonide 12057-75-9 936 MgBr2 magnesium bromide 7789-48-2 MgBr2 (anhydrous) MgBr2·2H2O (hexahydrate) octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 white hygroscopic hexagonal crystals (anhydrous) colorless monoclinic crystals (hexahydrate) 184.113 g/mol (anhydrous) 292.204 g/mol (hexahydrate) 3.72 g/cc (anhydrous) 2.07 g/cc (hexahydrate) 711°C (anhydrous) 172.4°C, decomposes (hexahydrate) 102 g/100 mL (anhydrous) 316 g/100 mL (0 °C, hexahydrate) ethanol: 6.9 g/100 mL (20 °C) -524.3 kJ·mol-1 117.2 J/molK magnesium fluoride magnesium chloride magnesium iodide calcium bromide strontium bromide barium bromide 937 MgBr2-6H2O magnesium bromide hexahydrate 13446-53-2 938 MgC36H70O4 magnesium stearate 557-04-0 C36H70MgO4 591.27 g/mol 88 °C, 361 K, 190 °F 939 MgC3H9O6P magnesium glycerophosphate 927-20-8 940 MgCl2 magnesium chloride 7786-30-3 Magnesium dichloride MgCl2 (octahedral, 6-coordinate) CdCl2 white or colourless crystalline solid 95.211 g/mol (anhydrous) 203.31 g/mol (hexahydrate) 2.32 g/cc (anhydrous) 1.569 g/cc (hexahydrate) 714 °C (987 K) (on rapid heating: slow heating leads to decomposition from 300 °C) 1412 °C (1685 K) 1.675 (anhydrous) 1.569 (hexahydrate) anhydrous 54.3 g/100 ml (20 °C) 72.6 g/100 mL (100 °C) hexahydrate 157 g/100 mL (20 °C) Magnesium fluoride Magnesium bromide Magnesium iodide Calcium chloride Strontium chloride Barium chloride Non-flammable 941 MgCO3 magnesium carbonate 546-93-0 Magnesite Barringtonite (dihydrate) Nesequehonite (trihydrate) Lansfordite (pentahydrate) MgCO3 Trigonal white solid hygroscopic 84.3139 g/mol 2.958 g/cc (anhydrous) 2.825 g/cc (dihydrate) 1.837 g/cc (trihydrate) 1.73 g/cc (pentahydrate) 540 °C decomp. 1.717 (anhydrous) 1.458 (dihydrate) 1.412 (trihydrate) 0.0012 mol/l (25°C, anhydrous) 0.375 g/100 mL (20 °C, pentahydrate) −1111.69 kJ/mol 65.84 J K−1 mol−1 Magnesium bicarbonate Beryllium carbonate Calcium carbonate Strontium carbonate Barium carbonate Non-flammable 942 MgF2 magnesium fluoride 7783-40-6 943 MgH2 magnesium hydride 7693-27-8 MgH2 white crystals 26.3209 g/mol 1.45 g/cc 327 °C decomposes Beryllium hydride Calcium hydride Strontium hydride Barium hydride 944 MgI2 magnesium iodide 10377-58-9 MgI2 (anhydrous) MgI2.6H2O (hexahydrate) MgI2.8H2O (octahydrate)[1] Hexagonal (anhydrous) Monoclinic (hexahydrate) Orthorhombic (octahydrate) white crystalline solid 278.1139 g/mol (anhydrous) 386.2005 g/mol (hexahydrate) 422.236 g/mol (octahydrate) 4.43 g/cm³ (anhydrous solid) 2.353 g/cm³ (hexahydrate solid) 2.098 g/cm³ (octahydrate solid) 637 °C (anhydrous, decomposes) 41 °C (octahydrate, decomposes) 54.7 g/100 cm³ (anhydrous, 0 °C) 148 g/100 cm³ (anhydrous, 18 °C) [2] 81 g/100 cm³ (octahydrate, 20 °C) soluble in ether, alcohol and ammonia Magnesium fluoride Magnesium bromide Magnesium chloride beryllium iodide calcium iodide 945 MgO magnesium oxide 1309-48-4 Magnesia Periclase MgO Octahedral (Mg2+); octahedral (O2–) Halite (cubic), cF8 white powder 40.3044 g/mol 3.58 g/cc 2852 °C, 3125 K, 5166 °F 3600 °C, 3873 K, 6512 °F 7.8 eV [1] 1.736 0.0086 g / 100 mL[2] soluble in acid, ammonia insoluble in alcohol Magnesium sulfide Beryllium oxide Calcium oxide Strontium oxide Barium oxide Non-flammable 946 MgO2 magnesium peroxide 1335-26-8 Magnesium dioxide, Magnesium bioxide, UN 1476 MgO2 Cubic, cP12 White or off-white powder 56.3038 g/mol 3 g/cc 223 °C 350 °C (decomp) insoluble 947 MgS magnesium sulfide 12032-36-9 Niningerite MgS linear Halite (cubic), cF8 56.38 g/mol 2.68 g/cc >2000 °C decomposes Magnesium oxide Calcium sulfide Strontium sulfide Barium sulfide 948 MgSe magnesium selenide 1313-04-8 949 MgSiO3 magnesium silicite 14654-06-9 950 MgSO4 magnesium sulfate 7487-88-9 Epsom salt Bitter salts MgSO4 monoclinic (hydrate) white crystalline solid 120.415 g/mol (anhydrous) 246.47 g/mol (heptahydrate) 2.66 g/cc (anhydrous) 2.445 g/cc (monohydrate) 1.68 g/cc (heptahydrate) 1124 °C (anhydrous, decomp) 200 °C (monohydrate, decomp) 150 °C (heptahydrate, decomp) 1.523 (monohydrate) 1.433 (heptahydrate) anhydrous 26.9 g/100 mL (0 °C) 25.5 g/100 mL (20 °C) heptahydrate 71 g/100 mL (20 °C) .0116 g/100 mL (18 °C, ether) slightly soluble in alcohol, glycerol insoluble in acetone Beryllium sulfate Calcium sulfate Strontium sulfate Barium sulfate 951 MgTe magnesium telluride 12032-44-9 952 MgTiO3 magnesium titanate 12032-30-3 953 Mn(C2H3O2)2 manganese(II) acetate 638-38-0 Manganese diacetate Mn(CH3COO)2 (anhydrous) Mn(CH3COO)2·4H2O (tetrahydrate) red crystals (anhydrous) red monoclinic crystals (tetrahydrate) 173.027 g/mol (anhydrous) 245.087 g/mol (tetrahydrate) ? g/cc (anhydrous) 1.59 g/cc (tetrahydrate) 210°C (anhydrous) 80°C (tetrahydrate) soluble in water, methanol, acetic acid (anhydrous) soluble in water, ethanol (tetrahydrate) Manganese(II) fluoride Manganese(II) chloride Manganese(II) bromide Zinc acetate Mercury(II) acetate Silver acetate 954 Mn(NO3)2 manganese(II) nitrate 10377-66-9 955 Mn2O3 manganese(III) oxide 1317-34-6 dimanganese trioxide, manganese sesquioxide, manganic oxide Mn2O3 Cubic, cI80[1] brown or black crystalline 157.8743 g/mol 4.50 g/cc 940°C (decomp) insoluble insoluble in alcohol, acetone soluble in acid manganese trifluoride chromium(III) oxide, iron(III) oxide 956 Mn2O7 manganese(VII) oxide 12057-92-0 Manganic oxide dimanganese heptoxide Mn2O7 bitetrahedral monoclinic dark green oil (room temp.) 221.87 g/mol 2.79 g/cc 5.9 °C explodes on heating sublimes at −10 °C decomposes 957 Mn3(PO4)2 manganese(II) phosphate 14154-09-7 958 Mn3O4 manganese(II,III) oxide 1317-35-7 hausmannite, manganous manganic oxide Mn3O4 MnO.Mn2O3 red or brown 228.812 g/mol 4.86 g/cc 1567 °C 2847 °C insoluble soluble in HCl 959 MnBr2 manganese(II) bromide 13446-03-2 MnBr2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 pink crystalline 214.746 g/mol 4.385 g/cc 698 °C (anhydrous) 64 °C (tetrahydrate) 1027 °C Manganese(II) fluoride Manganese(II) chloride Manganese(II) iodide Iron(II) bromide Cobalt(II) bromide Manganese(III) bromide non-flammable 960 MnCl2 manganese(II) chloride 7773-01-5 Manganous chloride MnCl2 octahedral CdCl2 pink solid (tetrahydrate) 125.844 g/mol (anhydrous) 161.874 g/mol (dihydrate) 197.91 g/mol (tetrahydrate) 2.98 g/cc (anhydrous) 2.27 g/cc (dihydrate) 2.01 g/cc (tetrahydrate) 654 °C (anhydrous) 135 °C (dihydrate) 58 °C (tetrahydrate) 1225 °C 72.3 g/100mL (anhydrate) 12.0 g/100mL (dihydrate) 19.8 g/100mL (tetrahydrate) Manganese(II) fluoride Manganese(II) bromide Manganese(II) iodide Manganese(III) chloride Technetium(IV) chloride Rhenium(III) chloride Rhenium(IV) chloride Rhenium(V) chloride Rhenium(VI) chloride Non-flammable 961 MnCl2-4H2O manganese(II) chloride tetrahydrate 13446-34-9 962 MnCl3 manganese(III) fluoride 14690-66-5 Manganese trifluoride MnF3 distorted octahedral Monoclinic, mS48 purple-pink powder 111.938 g/mol 3.54 g/cc > 600 °C (decomp) hydrolysis manganese(III) chloride chromium(III) fluoride, iron(III) fluoride 963 MnCO3 manganese(II) carbonate 598-62-9 MnCO3 hexagonal-rhombohedral brown solid 114.9469 g/mol 3.70 g/cc decomp. 200 °C 1.597 (589nm, 20°C) negligible Non-flammable 964 MnF2 manganese(II) fluoride 7782-64-1 MnF2 pale pink crystalline 92.934855 g/mol 3.98 g/cc 856 °C 1820 °C Manganese(II) chloride Manganese(II) bromide Manganese(II) iodide Technetium(VI) fluoride Rhenium(VII) fluoride Manganese(III) fluoride non-flammable 965 MnF3 manganese(III) fluoride 7783-53-1 Manganese trifluoride MnF3 distorted octahedral Monoclinic, mS48 purple-pink powder 111.938 g/mol 3.54 g/cc > 600 °C (decomp) hydrolysis manganese(III) chloride chromium(III) fluoride, iron(III) fluoride 966 MnF4 manganese(IV) fluoride 15195-58-1 Manganese trifluoride MnF3 distorted octahedral Monoclinic, mS48 purple-pink powder 111.938 g/mol 3.54 g/cc > 600 °C (decomp) hydrolysis manganese(III) chloride chromium(III) fluoride, iron(III) fluoride 967 MnI2 manganese(II) iodide 7790-33-2 968 MnI2-4H2O manganese(II) iodide tetrahydrate 98716-23-5 969 MnO manganese(II) oxide 1344-43-0 Manganous oxide Manganosite MnO Octahedral (Mn2+); octahedral (O2–) Halite (cubic), cF8 green crystalline 70.9374 g/mol 5.37 g/cc (23 °C) 1945 °C 2.16 insoluble Manganese difluoride Manganese(II) sulfide Iron(II) oxide Non-flammable 970 MnO2 manganese(IV) oxide 1313-13-9 Pyrolusite MnO2 black solid 86.9368 g/mol 5.026 g/cc 535 °C decomp insoluble −520.9 kJ/mol 53.1 J K−1 mol−1 Manganese disulfide Technetium dioxide Rhenium dioxide 535 °C 971 MnS manganese(II) sulfide 18820-29-6 Manganese sulfide Manganese monosulfide Alabandite MnS Octahedral (Mn2+); octahedral (S2–) Halite (cubic), cF8 Red, green or brown powder[1] 87.003 g/mol 3.99 g/cc[2] 1610 ËÅ¡C[3] 0.0047 g/100 mL (18 °C)[2] Manganese(II) oxide 972 MnSb manganese(III) antimonide 12032-82-5 973 MnSe manganese(II) selenide 1313-22-0 974 MnSe2 manganese(IV) selenide 12299-98-8 MnSe2 grey, odorless powder 212.86 g/mol 5.55 g/cc, solid insoluble 975 MnSO4 manganese(II) sulfate 10034-96-5 MnSO4 orthogonal (anhydrous) monoclinic (monohydrate) monoclinic (tetrahydrate) pale pink crystalline solid (tetrahydrate) 151.001 g/mol (anhydrous) 169.02 g/mol (monohydrate) 223.07 g/mol (tetrahydrate) 3.25 g/cm 3 (anhydrous) 2.95 g/cc (monohydrate) 2.107 g/cc (tetrahydrate) 710 °C (anhydrous) 27 °C (tetrahydrate) 850 °C (anhydrous) 39.3 g/100 mL (24 °C) 26.2 g/100 mL (100 °C) Chromium(III) sulfate Iron(II) sulfate 976 MnTe manganese(II) telluride 12032-88-1 977 MnTe2 manganese(IV) telluride 12032-89-2 978 Mo2O3 molybdenum(III) oxide 1313-29-7 979 Mo2O5 molybdenum(V) oxide 12163-73-4 980 Mo2S3 molybdenum(III) sulfide 12033-33-9 981 MoBr2 molybdenum(II) bromide 13446-56-5 982 MoBr3 molybdenum(III) bromide 13446-57-6 983 MoBr4 molybdenum(IV) bromide 13520-59-7 984 MoC6O6 molydenum(III) hexacarbonyl 13939-06-5 C6O6Mo octahedral orthogonal white, shiny crystals 264.00 g/mol 1.96 g/cc 150 °C sublimes 0 D insoluble soluble in benzene, paraffin oil slightly soluble in ether Chromium hexacarbonyl Tungsten hexacarbonyl 985 MoCl2 molybdenum(II) chloride 13478-17-6 986 MoCl3 molybdenum(III) chloride 13478-18-7 987 MoCl4 molybdenum(IV) chloride 13478-18-7 Molybdenum(IV) chloride Cl4Mo black solid 552°C Decomposes Non flammable 988 MoCl5 molybdenum(V) chloride 10241-05-1 Cl10Mo2 edge-shared bioctahedron monoclinic dark-green solid hygroscopic paramagnetic 273.21 g/mol 2.928 g/cc 194 °C 268 °C hydrolyzes soluble in dry ether, dry alcohol, organic solvents Molybdenum(V) fluoride Molybdenum(IV) bromide Molybdenum(III) iodide Chromium(IV) chloride Tungsten(V) chloride Non-flammable 989 MoCl6 molybdenum(VI) chloride 13706-19-9 990 MoF3 molybdenum(III) fluoride 20193-58-2 991 MoF4 molybdenum(IV) fluoride 23412-45-5 992 MoF5 molybdenum(V) fluoride 13819-84-6 993 MoF6 molybdenum(VI) fluoride 7783-77-9 994 MoI2 molybdenum(II) iodide 14055-74-4 995 MoI3 molybdenum(III) iodide 14055-75-5 996 MoI4 molybdenum(IV) iodide 14055-76-6 997 MoN molybdenum(III) nitride 12033-19-1 998 MoO molybdenum(II) oxide 12058-07-0 999 MoO2 molybdenum(IV) oxide 18868-43-4 Molybdenum dioxide Tugarinovite MoO2 Octahedral (MoIV); trigonal (O–II) Distorted rutile (tetragonal) brownish-violet solid 127.94 g/mol 6.47 g/cc 1100 °C decomp. insoluble insoluble in alkalies, HCl, HF slightly soluble in hot HSO4 Molybdenum disulfide Chromium(IV) oxide Tungsten(IV) oxide Non-flammable 1000 MoO3 molybdenum(VI) oxide 1313-27-5 Molybdic anhydride Molybdite Molybdic trioxide MoO3 see text orthorhombic yellow solid Phase behaviour Solid, liquid, gas 143.94 g/mol 4.69 g/cc, solid 795 °C 1155 °C UV, IR, NMR, MS 0.1066 g/100 mL (18 °C) 2.055 g/100 mL (70 °C) −745.17 kJ/mol 77.78 J K−1 mol−1 Chromium trioxide Tungsten trioxide Non-flammable 1001 MoS2 molybdenum(IV) sulfide 1317-33-5 Molybdenite MoS2 Trigonal prismatic (MoIV) Pyramidal (S2−) Hexagonal, hP6, Space group P63/mmc, No 194 black solid 160.07 g/mol 5.06 g/cc 1185 °C decomp. Molybdenum(IV) oxide Tungsten disulfide 1002 MoSe2 molybdenum(IV) selenide 12058-18-3 1003 MoSi2 molybdenum(IV) silicide 12136-78-6 MoSi2 grey metallic solid 152.11 g/mol 2030 °C Non-flammable 1004 MoTe2 molybdenum(IV) telluride 12058-20-7 1005 N2F2 dinitrogen difluoride 13812-43-6 cis or trans-difluorodiazine N2F2 colorless gas 66.010 g/mol 2.698 g/L cis: <-195°C trans: -172°C cis: -105.75°C trans: -111.45°C cis: 0.16 D trans: 0 D cis: 69.5 kJ/mol trans: 82.0 kJ/mol 1006 N2F4 dinitrogen tetrafluoride 10036-47-2 dinitrogen tetrafluoride, perfluorohydrazine, UN 1955 N2F4 104.01 g mol−1 −164.5 °C[1] −73 °C[1] 1007 N2O dinitrogen monoxide 10024-97-2 Laughing gas N2O colorless gas 44.013 g/mol 1.977 g/L (gas) −90.86 °C (182.29 K) −88.48 °C (184.67 K) 5150 kPa (20 °C) 1.33 0.166 D 0.15 g/100 ml (15 °C) soluble in alcohol, ether, sulfuric acid +82.05 kJ/mol 219.96 J K−1 mol−1 Non-flammable 1008 N2O3 dinitrogen trioxide 10544-73-7 Nitrous anhydride N2O3 deep blue liquid 76.01 g/mol 1.4 g/cc, liquid 1.783 g/cc (gas) −100.1 °C (173.05 K) 3 °C (276 K) very soluble +91.20 kJ/mol 314.63 J K−1 mol−1 Non-flammable 1009 N2O4 dinitrogen tetroxide 10544-72-6 N2O4 colourless gas 92.011 g/mol 1.443 g/cc (liquid, 21 ºC) −11.2 ºC (261.9 K) 21.1 ºC (294.3 K) 96 kPa (20 °C)[1] 1.00112 zero reacts −35.05 kJ/mol 150.38 J K−1 mol−1 Non-flammable 1010 N2O5 dinitrogen pentoxide 10102-03-1 Nitric anhydride dnpo N2O5 white solid 108.01 g/mol 1.642 g/cc (18 °C) 30 47 ºC subl. reacts to give HNO3 soluble in chloroform −43.1 kJ/mol (s) +11.3 kJ/mol (g) 178.2 J K−1 mol−1 (s) 355.6 J K−1 mol−1 (g) Non-flammable 1011 Na2C3H2O4 sodium malonate 141-95-7 Sodium malonate C3H2O4Na2 148.03 g/mol 1012 Na2C4H6O6 sodium tartrate 6106-24-7 Sal tartar; Disodium tartrate; Bisodium tartrate; Sodium L-(+)-tartrate; E335 C4H4Na2O6 (anhydrous) C4H8Na2O8 (dihydrate) white crystals 194.051 g/mol (anhydrous) 230.082 g/mol (dihydrate) 1.545 g/cc (dihydrate) soluble insoluble in ethanol 1013 Na2C6H8O4 sodium adipate 7486-38-6 Disodium adipate Na2C6H8O4 190.10 g/mol 1014 Na2CO3 sodium carbonate 497-19-8 Soda ash Washing soda Soda crystals Na2CO3 trigonal bipyramidal White solid, hygroscopic 105.9884 g/mol (anhydrous) 124.00 g/mol (monohydrate) 286.14 g/mol (decahydrate) 2.54 g/cc (anhydrous) 2.25 g/cc (monohydrate) 1.46 g/cc (decahydrate) 851 °C (anhydrous) 100 °C (decomp, monohydrate) 34 °C (decomp, decahydrate) 1600 °C (anhydrous) 1.495 (anhydrous) 1.420 (monohydrate) 30 g/100 ml (20 °C) insoluble in alcohol, ethanol Sodium bicarbonate Lithium carbonate Potassium carbonate Rubidium carbonate Caesium carbonate Non-flammable 3.67 1015 Na2CrO4 sodium chromate 7775-11-3 Chromic acid, (H2CrO4), disodium salt Chromium disodium oxide Rachromate Na2CrO4 orthorhombic (hexagonal above 413 °C) yellow crystals 161.97 g/mol 2.698 g/cc 762 °C 53 g/100 ml (20 °C) −1329 kJ/mol Sodium dichromate Sodium molybdate Sodium tungstate Potassium chromate Calcium chromate Barium chromate Non-flammable 1016 Na2FPO3 sodium fluorophosphate 10163-15-2 Sodium fluorophosphate, disodium monofluorophosphate Na2PFO3 colourless solid 143.95 g/mol soluble Non-flammable 1017 Na2H2S2O6 sodium dithionate 7631-94-9 Sodium metabisulfate Na2S2O6 Gray-white powder. 206.11 g/mol ? g/cc, solid. 52°C (325.15 K) (decomp.) Decomposes. ? g/100 ml (?°C) 1018 Na2MoO4 sodium molybdate 7631-95-0 Disodium molybdate Na2MoO4 White powder 205.92 g/mol (anhydrous) 241.95 g/mol (dihydrate) 3.78 g/cc, solid 687 °C 1.714 84 g/100 ml (100 °C) Sodium chromate Sodium tungstate Ammonium molybdate Non-flammable 1019 Na2O sodium oxide 1313-59-3 Disodium oxide Na2O Tetrahedral (Na+); cubic (O2–) Antifluorite (cubic), cF12 White solid 61.9789 g/mol 2.27 g/cc 1132°C 1950 °C decomposes reacts violently to form NaOH −414.2 kJ/mol 75.1 J mol−1 K−1 Sodium sulfide Sodium selenide Sodium telluride Lithium oxide Potassium oxide Rubidium oxide Caesium oxide Non-flammable 1020 Na2O2 sodium peroxide 1313-60-6 Sodium dioxide Flocool Solozone Disodium peroxide Na2O2 Hexagonal yellow to white powder 77.98 g/mol 2.805 g/cc 675 °C decomp. reacts violently −513 kJ/mol 95 J K−1 mol−1 Lithium peroxide Potassium peroxide Rubidium peroxide Caesium peroxide Non-flammable 1021 Na2S sodium sulfide 1313-82-2 Disodium sulfide Na2S Tetrahedral (Na+); cubic (S2–) Antifluorite (cubic), cF12 colorless, hygroscopic solid 78.0452 g/mol (anhydrous) 240.18 g/mol (nonahydrate) 1.856 g/cc (anhydrous) 1.58 g/cc (pentahydrate) 1.43 g/cc (nonohydrate) 1176 °C (anhydrous) 100 °C (pentahydrate) 50 °C (nonhydrate) 18.6 g/100 mL (20 °C) 39 g/100 mL (50 °C) insoluble in ether slightly soluble in alcohol Sodium oxide Sodium selenide Sodium telluride Lithium sulfide Potassium sulfide >480 ºC 1022 Na2S-5H2O sodium sulfide pentahydrate 1313-83-3 1023 Na2S-9H2O sodium sulfide nonahydrate 1313-84-4 1024 Na2S2O3 sodium thiosulfate 7772-98-7 Sodium hyposulfite Hyposulphite of soda Na2S2O3 white crystals 158.108 g/mol 1.667 g/cc 48.3 °C 100 °C (decomp) 20.9 g/100 ml (20 °C) Non-flammable 1025 Na2S2O4 sodium dithionite 7775-14-6 D-Ox Hydrolin Reductone Sodium hydrosulfite Sodium sulfoxylate Sulfoxylate Vatrolite Virtex L Na2S2O4 white to grayish crystalline powder 174.107 g/mol 2.19 g/cc, solid 52 °C (325 K) Decomposes very soluble Sodium sulfite Sodium sulfate 200 °C 100 °C 1026 Na2S2O5 sodium metabisulfite 7681-57-4 Sodium pyrosulfite Sodium disulfite Na2S2O5, Na-O-(S=O)-O-(S=O)-O-Na white powder 190.107 g/mol 1.48 g/cc >170 °C (begins at 150 °C) 54 g/100 ml Sodium sulfite Sodium bisulfite Potassium metabisulfite 1027 Na2S2O7 sodium pyrosulfate Sodium pyrosulphate; Disulfuric acid disodium salt. Na2S2O7 Translucent white crystals 222.12 g/mol 2.658 g/cc 400.9 °C Decomposes at 460 °C Soluble 1028 Na2S2O8 sodium persulfate 7775-27-1 sodium peroxodisulfate sodium peroxodisulphate sodium peroxydisulfate sodium peroxydisulphate Na2S2O8 white powder 238.03 g/mol 2.40 g/cc 180 °C decomp. 55.6 g/100 ml (20°C) Sodium dithionite Sodium sulfite Sodium sulfate Potassium persulfate Non-flammable 1029 Na2Se sodium selenide 1313-85-5 1030 Na2SeO3 sodium selenite 10102-18-8 Na2SeO3 colourless solid 172.96 g/mol 320 °C (decomp.) 85 g/100 ml (20 °C) 1031 Na2SeO4 sodium selenate 13410-01-0 Na2O4Se White or grey powder 188.94 g mol−1 Sodium sulfate Non-flammable 1032 Na2SiF6 sodium fluorosilicate 16893-85-9 1033 Na2SiO3 sodium silicate 6834-92-0 Waterglass Liquid glass E550 Na2SiO3 colorless solid 122.06 g/mol (anhydrous) 212.14 g/mol (pentahydrate) 2.4 g/cc, solid 1088 °C (anhydrous) 72.2 °C (pentahydrate) 1.52 (anhydrous) 1.456 (pentahydrate) Soluble −1519 kJ/mol 113.8 J K−1 mol−1 Sodium carbonate Sodium germanate Sodium stannate Sodium plumbate Potassium silicate 1034 Na2SnO3 sodium stannate 12058-66-1 1035 Na2SO3 sodium sulfite 7757-83-7 Hypo clear (photography) E221 Na2SO3 hexagonal (anhydrous) monoclinic (heptahydrate) white solid 126.043 g/mol 2.633 g/cc (anhydrous) 1.561 g/cc (heptahydrate) 33.4 °C (dehydration of heptahydrate) 500°C (anhydrous) Decomposes 67.8 g/100 ml (18 °C, heptahydrate) Sodium selenite Potassium sulfite Non-flammable 1036 Na2SO4 sodium sulfate 7757-82-6 Thenardite (mineral) Glauber's salt (decahydrate) Sal mirabilis (decahydrate) Mirabilite (decahydrate) Na2SO4 orthorhombic or hexagonal (anhydrous) monoclinic (decahydrate) white crystalline solid hygroscopic Phase behaviour Solid, liquid, gas 142.04 g/mol (anhydrous) 322.20 g/mol (decahydrate) 2.664 g/cc (anhydrous) 1.464 g/cc (decahydrate) 884 °C (anhydrous) 32.4 °C (decahydrate) 1429 °C (anhydrous) 1.468 (anhydrous) 1.394 (dechydrate) UV, IR, NMR, MS 4.76 g/100 ml (0 °C) 42.7 g/100 ml (100 °C) insoluble in ethanol Sodium selenate Sodium tellurate Lithium sulfate Potassium sulfate Rubidium sulfate Caesium sulfate Non-flammable 1037 Na2Te sodium telluride 12034-41-2 Disodium telluride Na2Te white powder, hygroscopic 173.58 g/mol 2.90 g/cc, solid 953°C very soluble 1038 Na2Ti3O7 sodium metatitanate 12034-36-5 sodium trititanate Na2Ti3O7 white powder 301.62 g/mol 3.941 g/cm³, solid 1128°C insoluble 1039 Na2WO4 sodium tungstate 13472-45-2 Na2O4W white rhombohedral crystals 293.82 g mol−1 4.179 g/cc 698°C 74.2 g/100 mL[1] 1040 Na3AlF6 sodium hexafluoroaluminate 13775-53-6 Sodium fluoaluminate Sodium aluminofluoaluminate Cryolite Kryolite Aluminate(3-), hexafluoro-, trisodium, (OC-6-11)- Na3AlF6 white powder 209.94 g/mol 2.9 g/cm³, solid 1000 °C decomposes essentially 0 insoluble 1041 Na3Co(NO2)6 sodium cobaltnitrite 14649-73-1 1042 Na3PO4 sodium phosphate 7601-54-9 1043 Na3Sb sodium antimonide 12058-86-5 1044 Na3SbS4 sodium thioantimonide 13776-85-6 1045 Na3VO4 sodium vanadate 13721-39-6 1046 Na4C4H4O6 sodium tartrate 868-18-8 Sal tartar; Disodium tartrate; Bisodium tartrate; Sodium L-(+)-tartrate; E335 C4H4Na2O6 (anhydrous) C4H8Na2O8 (dihydrate) white crystals 194.051 g/mol (anhydrous) 230.082 g/mol (dihydrate) 1.545 g/cc (dihydrate) soluble insoluble in ethanol 1047 Na4FeC6N6 sodium ferrocyanide 13601-19-9 Yellow prussiate of soda (YPS), Tetrasodium hexacyanoferrate, Gelbnatron, Ferrocyannatrium Na4Fe(CN)6 monoclinic Yellow crystals 303.91 g/mol 1.458 g/cc 435 °C (decomposes) 18 g/100 mL Sodium ferricyanide (Red prussiate of soda) 1048 Na4P2O7 sodium pyrophosphate 7722-88-5 Na4P2O7 Colourless crystals 265.90 g/mol Trisodium phosphate Pentasodium triphosphate Hexasodium metaphosphate Tetrapotassium pyrophosphate Non-flammable 1049 Na4SiO4 sodium orthosilicate 1344-09-8 1050 Na5P3O10 sodium tripolyphosphate 7758-29-4 sodium tripolyphosphate polygon Na5P3O10 white powder 367.864 g/mol 2.52 g/cc 622 ºC 14.5 g/100 ml (25 ºC) Trisodium phosphate Tetrasodium pyrophosphate Hexasodium metaphosphate Pentapotassium triphosphate Non-flammable 1051 NaAlCl4 sodium tetracholoraluminate 7784-16-9 1052 NaAlF4 sodium tetrafluoroaluminate 13821-15-3 1053 NaAlO2 sodium aluminate 1302-42-7 Sodium aluminium oxide, Sodium metaaluminate Aluminate, (AlO21-), sodium NaAlO2 white 81.97 g/mol 1.5 g/cc 1800 °C soluble 1054 NaAsO2 sodium arsenite 7784-46-5 sodium arsenate(III) NaAsO2 129.91 g/mol 1055 NaB(C6H5)4 sodium tetraphenylborate 143-66-8 Tetraphenylboron sodium (C6H5)4BNa white solid 342.22 g/mol >300 °C 47 g/100 g water 1056 NaBF4 sodium borofluoride 13755-29-8 1057 NaBH3CN sodium cyanoborohydride 25895-60-7 Sodium cyanotrihydridoborate NaBH3CN white to off-white powder, hygroscopic 62.84 g/mol 1.20 g/cc 241 °C decomp. soluble Sodium borohydride 1058 NaBH4 sodium borohydride 16940-66-2 NaBH4 white crystals hygroscopic 37.83 g/mol 1.0740 g/cc 400 °C[1] 500 °C (dec.)[1] soluble soluble in liquid ammonia, amines, pyridine Sodium cyanoborohydride Sodium hydride Sodium borate Borax Lithium borohydride ca. 220 °C 70 °C 1059 NaBiO3 sodium bismuthate 12232-99-4 1060 NaBr sodium bromide 7647-15-6 NaBr White powder 102.894 g/mol 3.21 g/cc (anhydrous) 2.18 g/cc (dihydrate) 747 °C (anhydrous) 36 °C (dihydrate) 1396 °C 1.6459 73.3 g/100 mL (20 °C) 116.0 g/100 mL (50 °C) Sodium fluoride Sodium chloride Sodium iodide Lithium bromide Potassium bromide Rubidium bromide Caesium bromide 800 °C 1061 NaBrO3 sodium bromate 7789-38-0 Sodium bromate(V) Bromic acid, sodium salt NaBrO3 colorless or white solid odorless 150.89 g/mol 3.339 g/cc 381 °C 1390 °C Sodium chlorate Sodium iodate Potassium bromate 381 °C 1062 NaC18H36O2 sodium stearate 822-16-2 C18H35NaO2 306.46 g mol−1 1063 NaC2H3FO2 sodium monofluoroacetate 62-74-8 1080 SFA Sodium monofluoroacetate, compound 1080, 1080 NaFC2H2O2 Fluffy, colorless to white powder 100.0 g/mol 200 °C (325.15 K) Decomposes soluble ? 1064 NaC2H3O2 sodium acetate 127-09-3 sodium salt C2H3NaO2 monoclinic White deliquescent powder odorless 82.03 g mol−1 1.528 g/cc 1.45 g/cc (trihydrate) 324 °C (anhydrous) 58 °C (trihydrate) 881.4 °C (anhydrous) 122 °C (trihydrate) 1.464 76 g/100 ml (0°C) soluble in ethanol (5.3 g/100 mL (trihydrate) 607 °C 250 °C 9.25 1065 NaC2H3SO3 sodium ethenesulfonate 3039-83-6 1066 NaC2H5O sodium ethoxide 141-52-6 C2H5ONa white to yellow powder hygroscopic 68.05 g/mol 260 °C, 533 K, 500 °F Reacts violently with water (miscible with ethanol and methanol) 1067 NaC3H3O2 sodium acrylate 7446-81-3 1068 NaC3H5O2 sodium propionate 137-40-6 Sodium propionate Napropion C3H5NaO2 Transparent crystals 96.07 g/mol 289 °C ~1 g/mL 1069 NaC3H5O3 sodium lactate 312-85-6 Sodium DL-lactate; Lactic acid sodium salt; E325 C3H5NaO3 112.06 g/mol 1070 NaC3H6NO3 sodium hydromethylglycinate 70161-44-3 1071 NaC4H7O4 sodium diacetate 126-96-5 1072 NaC6H6SO3 sodium benzosulfonate 515-42-4 1073 NaC7H5O2 sodium benzoate 532-32-1 E211, benzoate of soda NaC6H5CO2 144.11 g/mol 1.44 g/cc 300 °C N/A 500 °C 100 °C 1074 NaC7H8SO3 sodium tosylate 657-84-1 1075 NaC8H15O2 sodium caprylate 1984-06-1 1076 NaC8H7O2 sodium phenylacetate 114-70-5 C8H8O2 136.15 g/mol 1.0809 g/cc 76-77 °C 265.5 °C 1077 NaC8H9SO3 sodium xylenesulfonate 1300-72-7 1078 NaCH3O sodium methoxide 124-41-4 sodium methylate CH3NaO white solid 54.02 >300 °C 1079 NaCH3SO3 sodium formaldehydesulfoxylate 149-44-0 Rongalite Sodium formaldehydesulfoxylate CH3NaO3S colorless crystals 118.10 g/mol 154.14 g/mol, dihydrate 1.75 g/cc, dihydrate 64.5 °C, dihydrate 600 g/L, dihydrate (approximate) decomp. at low pH 1080 NaCHO2 sodium formate 141-53-7 formic acid, sodium salt HCOONa white granules deliquescent 68.01 g/mol 1.92 g/cc (20°C) 253 °C decomposes 97 g/100 mL (20°C) insoluble in ether soluble in glycerol, alcohol 7.0-8.5 (0.1M) 1081 NaCl sodium chloride 7647-14-5 Common salt; halite; table salt; rock salt NaCl Octahedral (Na+) Octahedral (Cl−) Cubic (see text), cF8 Colorless/white crystalline solid Phase behaviour Solid, liquid, gas 58.443 g/mol 2.165 g/cc 801 °C (1074 K) 1465 °C (1738 K) 1.5442 (589 nm) UV, IR, NMR, MS 35.6 g/100 mL (0 °C) 35.9 g/100 mL (25 °C) 39.1 g/100 mL (100 °C) soluble in glycerol, ethylene glycol, formic acid insoluble in HCl Sodium fluoride Sodium bromide Sodium iodide Lithium chloride Potassium chloride Rubidium chloride Caesium chloride Non-flammable 1082 NaClO sodium hypochlorite 7681-52-9 Sodium chlorate(I) ClNaO white solid 74.44 g mol−1 1.11 g/cc 18 °C (pentahydrate) 101 °C (decomp.) 29.3 g/100ml (0 °C) Sodium chloride Sodium chlorite Sodium chlorate Sodium perchlorate Lithium hypochlorite Calcium hypochlorite 1083 NaClO2 sodium chlorite 7758-19-2 Chlorous acid, sodium salt Textone NaClO2 white solid 90.44 g/mol 2.5 g/cc, solid 180–200 °C decomp. 39 g/100 ml (17 °C) Sodium chloride Sodium hypochlorite Sodium chlorate Sodium perchlorate Potassium chlorite Barium chlorite Non-flammable 1084 NaClO3 sodium chlorate 7775-09-9 Sodium chlorate(V) NaClO3 white solid 106.44 g/mol 2.5 g/cc 248 °C ~300 °C decomp. 1.572 101.0 g/100 ml (20 °C) Sodium bromate Sodium iodate Ammonium chlorate Potassium chlorate Barium chlorate none 1085 NaClO4 sodium perchlorate 7601-89-0 Sodium chlorate(VII) Sodium hyperchlorate Perchloric acid, sodium salt NaClO4 White crystalline solid 122.44 g/mol 2.4994 g/cc 130 °C (monohydrate) >400 °C (decomp.) Soluble, Hygroscopic Sodium chloride Sodium hypochlorite Sodium chlorite Sodium chlorate Lithium perchlorate Potassium perchlorate Ammonium perchlorate Barium perchlorate 1086 NaCN sodium cyanide 143-33-9 NaCN white solid 49.0072 g/mol 1.595 g/cc 563.7 °C 1496 °C 1.45 58 g/100 ml (20 °C) (hydrate solubility), 82 g/100 ml (34.7 °C) Potassium cyanide Non-flammable 1087 NaCNO sodium cyanate 917-61-3 1088 NaF sodium fluoride 7681-49-4 Florocid NaF White solid 41.988713 g/mol 2.558 g/cc 993 °C 1695 °C 4.13 g/100 g (25 °C) soluble in HF insoluble in ethanol Sodium chloride Sodium bromide Sodium iodide Lithium fluoride Potassium fluoride Rubidium fluoride Caesium fluoride Non-flammable 1089 NaH sodium hydride 7646-69-7 NaH fcc (NaCl) colorless to grey solid 23.99771 g/mol 1.396 g/cc 800 °C decomp. 1.47 reacts insoluble in ammonia, benzene, CCl4, CS2 Lithium hydride Potassium hydride combustible 1090 NaHCO3 sodium bicarbonate 144-55-8 Sodium bicarbonate Bicarbonate of soda Baking soda Sodium hydrogencarbonate Nahcolite NaHCO3 white crystalline solid 84.0066 g/mol 2.159 g/cc 270 °C (decomp) 1.5 7.8 g/100 mL (18 °C) 10 g/100 mL (20 °C) insoluble in alcohol Sodium carbonate Potassium bicarbonate Ammonium bicarbonate Non-flammable 10.3 1091 NaHF2 sodium bifluoride 1333-83-1 1092 NaHS sodium bisulfide 16721-80-5 Sodium bisulfide Sodium sulfhydrate Sodium hydrogen sulfide NaHS off-white solid, deliquescent 56.063 g/mol 1.79 g/cc 52–54 ºC (hydrate) 350 ºC (anhydrous) Sodium hydroxide Sodium amide Ammonium hydrosulfide 90 ºC 1093 NaHSO3 sodium bisulfite 7631-90-5 E222 NaHSO3 White solid 104.061 g/mol 1.48 g/cc 150 °C, 423 K, 302 °F 42 g/100 mL Sodium sulfite Sodium metabisulfite Potassium bisulfite Non-flammable 1094 NaI sodium iodide 7681-82-5 NaI Octahedral white solid deliquescent 149.894 g/mol 3.67 g/cc 661 °C 1304 °C 178.8 g/100 mL (20 °C) 184 g/100 mL (25 °C) 294 g/100 mL (70 °C) soluble in ethanol and acetone Sodium fluoride Sodium chloride Sodium bromide Lithium iodide Potassium iodide Rubidium iodide Caesium iodide Non-flammable 1095 NaIO3 sodium iodate 7681-55-2 iodic acid, sodium salt NaIO3 white orthorhombic crystals 197.8924 g/mol 4.28 g/cm³, solid 425 °C (decomp) [1] 9.47g/100 mL sodium iodide sodium periodate sodium bromate sodium chlorate potassium iodate silver iodate 1096 NaIO4 sodium periodate 7790-28-5 NaIO4 213.8918 g/mol 3.865 g/cc 300 °C soluble 1097 NaN3 sodium azide 26628-22-8 Sodium trinitride Smite NaN3 Hexagonal, hR12[1] white solid 65.0099 g/mol 1.846 g/cc (20 °C) 275 °C decomp. 41.7 g/100 mL (17 °C) Potassium azide 300 °C 1098 NaNbO3 sodium niobate 12034-09-2 1099 NaNH2 sodium amide 7782-92-5 Sodamide NaNH2 orthogonal gray powder (colourless when pure) 39.0124 g/mol 1.39 g/cc 210 °C 400 °C reacts Sodium bis(trimethylsilyl)amide Potassium amide 450 °C 4.44 °C 38 [1] 1100 NaNO2 sodium nitrite 7632-00-0 NaNO2 Trigonal white solid 68.9953 g/mol 2.168 g/cc 271 °C decomp. 82 g/100 ml (20 °C) Lithium nitrite Sodium nitrate Potassium nitrite Ammonium nitrite 489 °C 1101 NaNO3 sodium nitrate 7631-99-4 Caliche Chile saltpeter Nitrate of soda Nitratine Peru saltpeter Soda niter NaNO3 trigonal and rhombohedral White powder or colorless crystals 84.9947 g/mol 2.257 g/cc, solid 308 °C 380 °C decomp. 1.587 (trigonal) 1.336 (rhomobohedral) 92.1 g/100 ml (25 °C) 180 g/100mL (100 °C) very soluble in ammonia; soluble in alcohol −468 kJ/mol 117 J mol−1 K−1 Sodium nitrite Lithium nitrate Potassium nitrate Rubidium nitrate Caesium nitrate Non-flammable 1102 NaO2 sodium superoxide 12034-12-7 sodium superoxide NaO2 Yellow crystalline solid 54.9886 g/mol 2.2 g/cc 551.7 °C Decomposes Decomposes Non flammable N/A 1103 NaOH sodium hydroxide 1310-73-2 Caustic soda Lye NaOH white solid, hygroscopic 39.9971 g/mol 2.13 g/cc 323 °C, 596 K, 613 °F 1388 °C, 1661 K, 2530 °F 1.412 111 g/100 ml (20 °C) Sodium hydrosulfide Sodium amide Lithium hydroxide Potassium hydroxide Rubidium hydroxide Caesium hydroxide Non-flammable 1104 NaPF6 sodium hexafluorophosphate 21324-39-0 F6NaP 167.95395 sodium tetrafluoroborate lithium hexafluorophosphate; ammonium hexafluorophosphate 1105 NaPO3 sodium polyphosphate 50813-16-6 1106 NaReO4 sodium perrhenate 13472-33-8 NaReO4 White crystalline powder 273.194 g/mol 5.39 g/cc 103.3 g/100 mL (0 °C) 145.3 g/100 mL (30 °C) 173.0 g/100 mL (50 °C) 1107 NaSbO3 sodium antimonate 15432-85-6 1108 NaSCN sodium thiocyanate 540-72-7 Sodium rhodanide Sodium sulfocyanate Sodium rhodanate Thiocyanic acid, sodium salt NaSCN colourless crystals deliquescent 81.072 g/mol 1.735 g/cc 287 °C 1.545 139 g/100 mL (21 °C) soluble in acetone, alcohols Sodium cyanate Sodium cyanide Potassium thiocyanate Ammonium thiocyanate 1109 NaVO3 sodium metavanadate 13718-26-8 Sodium vanadate Metamunirite Munirite NaVO3 yellow crystalline solid hygroscopic 121.9295 g/mol 5.15 g/cc 630 °C soluble Sodium orthovanadate Potassium metavanadate Ammonium metavanadate Non-flammable 1110 Nb2O5 niobium(V) oxide 1313-96-8 Niobium pentoxide Nb2O5 white orthogonal solid 265.81 g/mol 4.60 g/cc 1512 °C insoluble soluble in HF 1111 NbBr3 niobium(III) bromide 15752-41-7 1112 NbBr4 niobium(IV) bromide 13842-75-6 1113 NbBr5 niobium(V) bromide 13478-45-0 niobium pentabromide NbBr5 orthorhombic wine red to black crystals 492.430 g/mol 4.36 g/cc 257 °C, 530 K, 495 °F 364 °C, 637 K, 687 °F soluble 1114 NbC niobium(IV) carbide 12069-94-2 NbC Cubic, cF8 104.917 g/mol 7.820 g/cc 3490 °C 1115 NbCl3 niobium(III) chloride 13569-59-0 1116 NbCl4 niobium(IV) chloride 13569-70-5 Niobium tetrachloride Niobium chloride NbCl4 Violet-Black Crystals 234.718 g/mol 3.2 g/cc Dec. 800 °C Subl. 275 °C/10-4 mmHg Reacts Niobium(IV) bromide Niobium(IV) iodide Vanadium(IV) chloride Tantalum(IV) chloride 1117 NbCl5 niobium(V) chloride 10026-12-7 NbCl5 yellow monoclinic crystals deliquescent 270.17 g/mol 2.75 g/cc 204.7 °C 248.2 °C decomposes soluble in alcohol, HCl, chloroform, CCl4 -797.47 kJ/mol 214.05 J K−1 mol−1 Niobium(V) fluoride Niobium(V) bromide Niobium(V) iodide Vanadium(IV) chloride Tantalum(V) chloride Non-flammable 1118 NbF3 niobium(III) fluoride 15195-53-6 1119 NbF4 niobium(IV) fluoride 13842-88-1 1120 NbI3 niobium(III) iodide 13870-20-7 1121 NbI4 niobium(IV) iodide 13870-21-8 1122 NbI5 niobium(V) iodide 13779-92-5 1123 NbN niobium(III) nitride 24621-21-4 1124 NbO niobium(II) oxide 12034-57-0 niobium(II) oxide, columbium monoxide NbO grey solid 108.906 g/mol 7.3 gcm3 1125 NbO2 niobium(IV) oxide 12034-59-2 niobium(IV) oxide, columbium dioxide NbO2 Tetragonal, tI96 bluish black 124.91 g/mol 1915 °C [1] 1126 NBr3 nitrogen tribromide 15162-90-0 Br3N unstable solid 253.72 g mol−1 explodes at -100°C[1] 1127 NbS2 niobium(IV) sulfide 12136-97-9 1128 NbSe2 niobium(IV) selenide 12034-77-4 1129 NbSe3 niobium(VI) selenide 12034-78-5 1130 NbTe2 niobium(IV) telluride 12034-83-2 1131 NCl3 nitrogen trichloride 10025-85-1 Trichloramine Agene Nitrogen(III) chloride Trichloroazane Trichlorine nitride rhombohedral (below -40 °C) yellow oily liquid 120.365 g/mol 1.635 g/mL -40 °C, 233 K, -40 °F 71 °C, 344 K, 160 °F 0.6 D Immiscible slowly decomposes soluble in benzene, chloroform, CCl4, CS2, PCl3 +232 kJ/mol ? J.K−1.mol−1 Nitrogen trifluoride Nitrogen tribromide Nitrogen triiodide Phosphorus trichloride Arsenic trichloride 93 °C 1132 Nd(CHO2)3 neodymium(III) formate 3252-53-7 1133 Nd(NO3)3 neodumium(III) nitrate 10045-95-1 1134 Nd2O3 neodymium(III) oxide 1313-97-9 Neodymium oxide, Neodymium sesquioxide Nd2O3 Hexagonal, hP5 hygroscopic blue hexagonal crystals 336.48 g/mol 7.24 g/cc 2233°C 3760°C[1] 111.3 J/molK[1] .0003 g/100 mL (75 °C) -1807.9 kJ·mol-1 158.6 J/molK Neodymium(II) chloride Neodymium(III) chloride Uranium(VI) oxide Praseodymium(III) oxide Promethium(III) oxide 1135 Nd2S3 neodymium(III) sulfide 12035-32-4 1136 Nd2Te3 neodymium(III) telluride 12035-35-7 1137 NdBr2 neodymium(II) bromide 59325-04-1 1138 NdBr3 neodymium(III) bromide 13536-80-6 1139 NdCl2 neodymium(II) chloride 25469-93-6 1140 NdCl3 neodymium(III) chloride 10024-93-8 Neodymium trichloride NdCl3, NdCl3·6H2O (hydrate) Tricapped trigonal prismatic (nine-coordinate) hexagonal (UCl3 type), hP8 mauve-colored powder hygroscopic 250.598 g/mol 4.13 g/cc (2.282 for hydrate) 758 °C 1600 °C 0.967 kg/L at 13 °C Neodymium(III) bromide LaCl3, SmCl3, PrCl3, EuCl3, CeCl3, GdCl3, TbCl3 1141 NdF3 neodymium(III) fluoride 13709-42-7 1142 NdGaO3 neodymium(III) gallate 12207-22-6 1143 NdI2 neodymium(II) iodide 61393-36-0 1144 NdI3 neodymium(III) iodide 13813-24-6 1145 NdN neodymium(III) nitride 25764-11-8 1146 NdS neodymium(II) sulfide 12035-22-2 1147 NdSe neodymium(II) selenide 12035-24-4 1148 NdTe neodymium(II) telluride 12060-53-6 1149 NdVO4 neodymium(III) vanadate 13721-46-5 1150 NF3 nitrogen trifluoride 7783-54-2 Nitrogen fluoride Trifluoramine Trifluorammonia NF3 colorless gas 71.0019 g/mol 3.003 kg/m3 (1 atm, 15 °C) 1.885 g/cc (liquid at b.p.) −207.15 °C, 66 K, -341 °F −129.1 °C, 144 K, -200 °F 0.234 D 0.021 vol/vol (20 °C, 1 bar) Non-flammable 1151 NH3 ammonia 7664-41-7 Ammonia Hydrogen nitride Spirit of Hartshorn Nitro-Sil Vaporole NH3 Colorless gas with strong pungent odor Phase behaviour Solid, liquid, gas 17.031 g/mol 0.86 kg/m3 (1.013 bar at boiling point) 0.73 kg/m3 (1.013 bar at 15 °C) 681.9 kg/m3 at −33.3 °C (liquid)[1] 820 kg/m3 at -80 °C (crystal solid) 817 kg/m3 at -80 °C (transparent solid)[2] −77.73 °C (195.42 K) −33.34 °C (239.81 K) UV, IR, NMR, MS 1.42 D 1176 g/100 mL (0 °C) 702 g/100 mL (20 °C) 88 g/100 mL (100 °C) Phosphine Arsine Stibine 651 °C flammable gas (see text) 34 4.75 1152 NH4Cl ammonium chloride 12125-02-9 Sal ammoniac NH4Cl White solid 53.49 g/mol 1.5274 g/cc 338 °C (decomposes) 1.642 29.7 g/100 mL (0 °C) 37.2 g/100 mL (20 °C) 77.3 g/100 mL (100 °C) −314.55 kJ/mol[1] 94.85 J K−1 mol−1 [1] Ammonium fluoride Ammonium bromide Ammonium iodide Sodium chloride Potassium chloride Hydroxylamonium chloride Non-flammable 9.245 1153 NH4HCO3 ammonium bicarbonate 1066-33-7 Bicarbonate of ammonia Hartshorn Baking ammonia NH4HCO3 79.056 g/mol 1.586 g/cc 107.5 ºF, decomp. 11.9 g/100 mL (0 °C) 21.6 g/100 mL (20 °C) 36.6 g/100 mL (40 °C) insoluble in methanol Ammonium carbonate Sodium bicarbonate Potassium bicarbonate Non-flammable 1154 NH4NO3 ammonium nitrate 6484-52-2 (NH4)(NO3) white solid 80.043 g/mol 1.725 g/cc (20 °C) 169.6 °C approx. 210 °C decomp. 118 g/100 ml (0 °C) 150 g/100 ml (20 °C) 297 g/100 ml (40 °C) 410 g/100 ml (60 °C) 576 g/100 ml (80 °C) 1024 g/100 ml (100 °C) [1] Ammonium nitrite Sodium nitrate Potassium nitrate Hydroxylammonium nitrate 1155 Ni(BF4)2 nickel(II) fluoborate 14708-14-6 1156 Ni(C2H3O2)2 nickel(II) acetate 373-02-4 1157 Ni(CN)2 nickel(II) cyanide 557-19-7 1158 Ni(CO)4 nickel(II) carbonyl 13463-39-3 Nickel carbonyl Ni(CO)4 Tetrahedral colorless liquid diamagnetic 170.73 g/mol 1.319 g/cc -17.2 °C, 256 K, 1 °F 43 °C, 316 K, 109 °F zero .018 g/100 mL (10 °C) miscible in most organic solvents soluble in nitric acid, aqua regia −632 kJ/mol 320 J K−1 mol−1 60 °C 4 °C 3.05 x 10-4 Pa s 1159 Ni(NO3)2 nickel(II) nitrate 13138-45-9 Nickel nitrate Nickelous nitrate Nitric acid, nickel(2+) salt Ni(NO3)2 monoclinic (hexahydrate) emerald green hygroscopic solid 182.703 g/mol (anhydrous) 290.79 g/mol (hexahydrate) 2.05 g/cc (hexahydrate) 56.7 °C (hexahdyrate) 136.7 °C (hexahydrate) 94.2 g/100ml (20°C) 158 g/100ml (60°C) soluble in ethanol Nickel(II) sulfate Nickel(II) chloride Palladium(II) nitrate Non-flammable 1160 Ni(OH)2 nickel(II) hydroxide 12054-48-7 Ni(OH)2 hexagonal green crystals 92.708 g/mol (anhydrous) 110.72 g/mol (monohydrate) 4.10 g/cc 230 °C (anhydrous, decomp) insoluble soluble in dilute acid, ammonia (monohydrate) -530.049 kJ/mol 1161 Ni2B nickel(III) boride 12007-01-1 1162 Ni2O3 nickel(III) oxide 1314-06-3 Nickel sesquioxide, nickel trioxide Ni2O3 black-dark gray solid 165.39 g/mol 4.84 g/cc 600 °C (decomposes) negligible 1163 NI3 nitrogen triiodide 13444-85-4 NI3 394.7201 g/mol N/A sublimes at -20 °C insoluble 1164 Ni3B nickel(II) boride 12007-02-2 1165 Ni3S2 nickel(III) sulfide 1166 NiAs nickel(II) arsenide 27016-75-7 1167 NiBr2 nickel(II) bromide 13462-88-9 Nickel dibromide, Nickel bromide NiBr2 yellow-brown crystals 218.53 g/mol 5.098 g/cc[1] 963 ËÅ¡C Soluble in water and ethanol nickel(II) fluoride nickel(II) chloride nickel(II) iodide cobalt(II) bromide copper(II) bromide palladium(II) bromide Non-flammable 1168 NiCl2 nickel(II) chloride 7718-54-9 Nickelous chloride NiCl2 octahedral at Ni Monoclinic yellow-green crystals deliquescent 129.5994 g/mol (anhydrous) 237.69 g/mol (hexahydrate) 3.55 g/cc (anhydrous) 1.92 g/cc (hexahydrate) 1001 °C (anhydrous) 140 °C (hexahydrate) anhydrous 64 g/100 mL hexahydrate 254 g/100 mL (20 °C) 600 g/100 mL (100 °C) -304.93 kJ/mol 98.11 J K−1 mol−1 Nickel(II) fluoride Nickel(II) bromide Nickel(II) iodide Palladium(II) chloride Platinum(II) chloride Platinum(II,IV) chloride Platinum(IV) chloride Non-flammable 1169 NiCl2-6H2O nickel(II) chloride hexahydrate 7791-20-0 1170 NiCO3 nickel(II) carbonate 3333-67-3 Nickelous carbonate NiCO3 light green powder 118.702 g/mol 2.6 g/cc decomposes before melting .0093 g/100 mL 1171 NiCrO4 nickel(II) chromate 14271-18-7 1172 NiF2 nickel(II) fluoride 10028-18-9 NiF2 Nickel: Octahedral Oxygen: Trigonal planar Rutile yellow solid 96.6902 g/mol 4.72 g/cc 1370 °C 1750 °C Insoluble Nickel(II) chloride Nickel(II) bromide Nickel(II) iodide Cobalt(II) fluoride Copper(II) fluoride 1173 NiI2 nickel(II) iodide 13462-90-3 Nickelous iodide I2Ni dark green solid 312.5 g mol−1 5.38 g/cc 780 °C, 1053 K, 1436 °F 797 °C, 1070 K, 1467 °F good alcohols 1174 NiO nickel(II) oxide 1313-99-1 Nickel monoxide Oxonickel NiO green crystalline solid 74.6928 g/mol 6.67 g/cc 1955 °C negligible Nickel(II) selenide Nickel(II) telluride Palladium(II) oxide Non-flammable 1175 NiS nickel(II) sulfide 16812-54-7 1176 NiSb nickel(II) antimonide 12035-52-8 1177 NiSe nickel(II) selenide 1314-05-2 1178 NiSnO3 nickel(II) stannate 12035-38-0 1179 NiSO4 nickel(II) sulfate 7786-81-4 Nickelous sulfate NiSO4 cubic (anhydrous) tetragonal (hexahydrate) rhombohedral (hexahydrate) yellow solid (anhydrous) blue crystals (hexahydrate) 154.75 g/mol (anhydrous) 262.85 g/mol (hexahydrate) 280.86 g/mol (heptahydrate) 3.68 g/cc (anhydrous) 2.07 g/cc (hexahydrate) 1.948 g/cc (heptahydrate) > 100 °C (anhydrous) 53 °C (hexahydrate) 840 °C (anhydrous, decomp) 1.511 (hexahydrate) 1.467 (heptahydrate) 65.0 g/100mL (20°C) 77.5 g/100mL (30°C) (heptahydrate) anhydrous insoluble in ethanol, ether, acetone hexahydrate very soluble in ethanol, ammonia heptahydrate soluble in alcohol Cobalt(II) sulfate Copper(II) sulfate Non-flammable 1180 NiTe nickel(II) telluride 12142-88-0 1181 NiTiO3 nickel(II) titanate 12035-39-1 1182 NiWO4 nickel(II) tungstate 14177-51-6 1183 NiZrO3 nickel(II) zirconate 70692-93-2 1184 NO nitrogen monoxide 10102-43-9 NO colourless gas paramagnetic 30.006 g/mol 1.269 g/cc (liquid) 1.3402 g/l (gas) −163.6 °C, 110 K, -262 °F −150.8 °C, 122 K, -239 °F 1.0002697 7.4 ml/100 ml (STP) soluble in alcohol, CS2 +90.29 kJ/mol 210.76 J K−1 mol−1 Non-flammable 1185 NO2 nitrogen dioxide 10102-44-0 NO2 brown gas 46.0055(5) g/mol 1449 kg/m3 (liquid, 20 ºC) 3.4 kg/m3 (gas, 22 ºC) -11.2 °C, 262 K, 12 °F 21.1 °C, 294 K, 70 °F 1.449 (20 °C) reacts Non-flammable 1186 Np2O5 neptunium(V) oxide 121433-01-0 1187 Np2S3 neptunium(III) sulfide 12281-24-2 1188 NpBr3 neptunium(III) bromide 20730-39-6 1189 NpBr4 neptunium(IV) bromide 15608-32-9 1190 NpCl3 neptunium(III) chloride 20737-06-8 1191 NpCl4 neptunium(IV) chloride 15597-84-9 1192 NpF3 neptunium(III) fluoride 16852-37-2 1193 NpF4 neptunium(IV) fluoride 14529-88-5 1194 NpF5 neptunium(V) fluoride 31479-18-2 1195 NpF6 neptunium(VI) fluoride 14521-05-2 1196 NpI3 neptunium(III) iodide 37501-52-3 1197 NpN neptunium(III) nitride 12058-90-1 1198 NpO neptunium(II) oxide 12202-03-8 1199 NpO2 neptunium(IV) oxide 12035-79-9 Neptunium oxide, Neptunium dioxide NpO2 Np, 8, cubic O, 4, tetrahedral cubic crystal system, cF12 Green cubic crystals 269 g/mol 11.1 g/cc 2547 °C[1] -256.7 ± 0.6 kcal·mol-1[2] 19.19 ± 0.1 cal·mol-1·K-1[3] Neptunium(III) chloride Neptunium(IV) chloride Uranium(VI) oxide Plutonium(IV) oxide Promethium(III) oxide 1200 O2F2 oxygen(I) fluoride 7783-44-0 dioxygen difluoride fluorine dioxide difluorine dioxide perfluoroperoxide F2O2 69.996 g mol−1 −154 °C, 119 K, -245 °F −57 °C (extrapolated) 1201 OF2 oxygen(II) fluoride 7783-41-7 difluorine monoxide fluorine monoxide oxygen difluoride oxygen fluoride hypofluorous anhydride OF2 53.9962 g/mol 1.9 g/cc −223.8 °C −144.8 °C 24.5 kJ mol−1 1202 Os(C5H5)2 osmium(II) cyclopentadienide 1273-81-0 1203 OsBr3 osmium(III) bromide 59201-51-3 1204 OsBr4 osmium(IV) bromide 59201-52-4 1205 OsCl3 osmium(III) chloride 13444-93-4 1206 OsCl3-3H2O osmium(III) chloride trihydrate 114268-63-2 1207 OsCl4 osmium(IV) chloride 10026-01-4 Osmium chloride, osmium tetrachloride OsCl4 Orthorhombic, oS10 red-black orthorhombic crystals 332.041 g/mol 4.38 g/cm³ decomposes at 323°C reacts with water soluble in organic solvents[1] Osmium(IV) oxide Iron(III) chloride Ruthenium(III) chloride Osmium(III) chloride 1208 OsCl5 osmium(V) chloride 71328-74-0 1209 OsF4 osmium(IV) fluoride 54120-05-7 1210 OsF6 osmium(VI) fluoride 13768-38-2 1211 OsF7 osmium(VII) fluoride 16949-69-2 1212 OsF8 osmium(VIII) fluoride 18432-81-0 1213 OsI osmium(I) iodide 76758-38-8 1214 OsI2 osmium(II) iodide 59201-57-9 1215 OsI3 osmium(III) iodide 59201-58-0 1216 OsO2 osmium(IV) oxide 12036-02-1 Osmium(IV) oxide OsO2 black or yellow brown 222.229 g/mol 11.4 g/cc 500 °C (decomposes) 1217 OsO4 osmium(VI) oxide 20816-12-0 Osmium(VIII) oxide Osmic acid OsO4 pale yellow solid 254.23 g/mol 4.91 g/cc[1] 40.25 °C 129.7 °C 6.5 g/100 mL[1] soluble in most organic solvents Ruthenium tetroxide 1218 OsS2 osmium(IV) sulfide 12137-61-0 1219 OsSe2 osmium(IV) selenide 12310-19-9 1220 OsTe2 osmium(IV) telluride 12166-21-1 1221 P2Br4 phosphorus tetrabromide 24856-99-3 1222 P2Cl4 phosphorus tetrachloride 13497-91-1 1223 P2F4 phosphorus tetrafluoride 13824-74-3 1224 P2H4 phosphorus tetrahydride 13445-50-6 1225 P2I4 phosphorus tetraiodide 13455-00-0 1226 P2O5 phosphorus pentoxide 1314-56-3 Phosphorus(V) oxide Phosphoric anhydride P4O10 white powder very deliquescent pungent odour 283.889 g/mol 2.39 g/cc 340 °C sublimes at 360 °C (At standard atmosphere of pressure) 1 mmHg @ 384 °C exothermic hydrolysis 1227 P4O10 phosphorus decaoxide 16752-60-6 1228 P4O6 phosphorus hexoxide 12440-00-5 1229 P4S10 phosphorus pentasulfide 1314-80-3 phosphorus sulfide sulfur phosphide phosphorus persulfide diphosphorus pentasulfide tetraphosphorus decasulfide P4S10 triclinic, aP28 yellow solid 444.555 g mol 2.09 g/cc 288 °C (561 K) 514 °C (787 K) hydrolyses 1230 P4S3 phosphorus trisulfide 1314-51-8 phosphorus trisulfide phosphorus sesquisulfide phosphorus sulfide P4S3 yellow solid 220.093 g/mol 2.08 g.cm3,[1] solid 172.5 °C 408 °C 1231 P4S4 phosphorus tetrasulfide 39350-99-7 1232 P4S6 phosphorus hexasulfide 131105-01-6 1233 P4S7 phosphorus heptasulfide 15578-16-2 1234 P4S9 phosphorus nonasulfide 25070-46-6 1235 P4Se3 phosphorus triselenide 1314-86-9 1236 Pa2O5 protactinium(V) oxide 12036-75-8 1237 PaBr4 protactinium(IV) bromide 13867-42-0 1238 PaBr5 protactinium(V) bromide 15608-38-5 1239 PaCl4 protactinium(IV) chloride 13867-41-9 1240 PaCl5 protactinium(V) chloride 13760-41-3 Protactinium pentachloride, Protactinium chloride PaCl5 Pa, 7, pentagonal bipyramidal Cl, 1 and 2 monoclinic, mS24 yellow monoclinic crystals 408.301 g/mol 3.74 g/cm³ 306°C[1] 420°C [2] Praseodymium(III) chloride Uranium(IV) chloride Thorium(IV) chloride 1241 PaF4 protactinium(IV) fluoride 13842-89-2 1242 PaF5 protactinium(V) fluoride 15192-29-7 1243 PaI3 protactinium(III) iodide 19415-71-5 1244 PaI4 protactinium(IV) iodide 15513-96-9 1245 PaI5 protactinium(V) iodide 17497-66-4 1246 PaO protactinium(II) oxide 60936-60-9 1247 PaO2 protactinium(IV) oxide 12036-03-2 1248 Pb(AsO4)2 lead(II) arsenite 10031-13-7 1249 Pb(BF4)2 lead(II) fluoroborate 13814-96-5 1250 Pb(C18H33O2)2 lead(II) oleate 1120-46-3 1251 Pb(C18H35O2)2 lead(II) stearate 1072-35-1 1252 Pb(C2H3O2)2 lead(II) acetate 301-04-2 Plumbous acetate, Salt of Saturn, Sugar of Lead, lead diacetate Pb(C2H3O2)2 Monoclinic White powder or colorless, efflorescent crystals 325.29 g/mol (anhydrous) 379.33g/mol (trihydrate) 3.25 g/cc (anhydrous) 2.55 g/cc (trihydrate) 1.69 g/cc (decahydrate) 280 °C (anhydrous) 75 °C (trihydrate) 22 °C (decahydrate) 1.567 (trihydrate) 44.39 g/100 mL (20 °C) 211 g/100 mL (50 °C)[1] anhydrous soluble in alcohol; hydrates insoluble in alcohol Nonflammable 1253 Pb(C2H3O2)2 lead(III) acetate 546-67-8 Plumbous acetate, Salt of Saturn, Sugar of Lead, lead diacetate Pb(C2H3O2)2 Monoclinic White powder or colorless, efflorescent crystals 325.29 g/mol (anhydrous) 379.33g/mol (trihydrate) 3.25 g/cc (anhydrous) 2.55 g/cc (trihydrate) 1.69 g/cc (decahydrate) 280 °C (anhydrous) 75 °C (trihydrate) 22 °C (decahydrate) 1.567 (trihydrate) 44.39 g/100 mL (20 °C) 211 g/100 mL (50 °C)[1] anhydrous soluble in alcohol; hydrates insoluble in alcohol Nonflammable 1254 Pb(C3H5O2)2 lead(II) lactate 18917-82-3 1255 Pb(C4H7O2)2 lead(II) butanoate 819-73-8 1256 Pb(CHO2)2 lead(II) formate 811-54-1 1257 Pb(ClO3)2 lead(II) chlorate 10294-47-0 1258 Pb(ClO4)2 lead(II) perchlorate 13453-62-8 1259 Pb(CN)2 lead(II) cyanide 592-05-2 1260 Pb(H2PO2)2 lead(II) hypophosphite 10294-58-3 1261 Pb(IO3)2 lead(II) iodate 25659-31-8 1262 Pb(NbO3)2 lead(II) niobate 12034-88-7 1263 Pb(NO3)2 lead(II) nitrate 10099-74-8 Lead nitrate Plumbous nitrate Lead dinitrate Plumb dulcis Pb(NO3)2 cuboctahedral Face-centered cubic White odourless solid Phase behaviour Solid, liquid, gas 331.2 g/mol 4.53 g/cc (20 °C) 270 °C, decomp. 1.782 [1] UV, IR, NMR, MS 52 g/100 mL (20 °C) 127 g/100 mL (100 °C) Lead(II) sulfate Lead(II) chloride Tin(II) nitrate Non-flammable 1264 Pb(OH)2 lead(II) hydroxide 19783-14-3 lead hydroxide plumbous hydroxide Pb(OH)2 white amorphous powder 241.21 g/mol 7.41 g/cc [1] 135 °C (decomp) 1.55 g/100 mL (20 °C) soluble in dilute acid and alkalis; insoluble in acetone and acetic acid 1265 Pb(SCN)2 lead(II) thiocyanate 592-87-0 Lead dithiocyanate, lead isothiocyanate, lead sulfocyanate, lead thiocyanate, lead thiocyanate (Pb(SCN) 2), lead(II) thiocyanate, lead(II) thiocyanate (Pb(NCS) 2), thiocyanic acid, lead(2+) salt Pb(SCN)2 323,3648 g/mol 0,553 g/100 mL water 1266 Pb(VO3)2 lead(II) metavandate 10099-79-3 1267 Pb2O3 lead(II,IV) oxide 1314-27-8 1268 Pb2SiO4 lead(II) orthosilicate 13566-17-1 1269 Pb3(AsO4)2 lead(II) arsenate 3687-31-8 1270 Pb3(N3)2 lead(II) azide 13424-46-9 Pb(N3)2 white powder 291.24 g/mol 4.71 g/cc, solid 350 °C (explodes) 2.3 g/100 mL (18 °C) 9.0 g/100 mL (70 °C) [1] very soluble in acetic acid; insoluble in ammonia 350 °C 1271 Pb3(PO4)2 lead(II) phosphate 7446-27-7 1272 Pb3(SbO4)2 lead(II) antimonide 13510-89-9 1273 Pb3O4 lead(II,II,IV) oxide 1314-41-6 1274 PbBr2 lead(II) bromide 10031-22-8 Lead dibromide PbBr2 white powder 367.01 g/mol 6.66 g/cc [1] 373 °C 916 °C (vaporizes) 0.455 g/100 mL (0 °C) 0.844 g/100 mL (20 °C) 4.41 g/100 mL (100 °C) insoluble in alcohol; soluble in ammonia, alkali, KBr, NaBr Lead(II) fluoride, Lead(II) chloride, Lead(II) iodide Thallium(I) bromide, Tin(II) bromide Bismuth bromide 1275 PbBr4 lead(IV) bromide 13701-91-2 1276 PbC2O4 lead(II) oxalate 814-93-7 1277 PbCl2 lead(II) chloride 7758-95-4 Plumbous chloride Cotunnite PbCl2 Orthorhombic, oP12 white odorless solid Phase behaviour Solid, liquid, gas 278.10 g/mol 5.85 g/cc 501 °C 950 °C 2.199 [1] UV, IR, NMR, MS 0.673 g/100 mL (0 °C) 0.99 g/100 mL (20 °C) 3.34 g/100 mL (100 °C) slightly soluble in dilute HCl, ammonia; insoluble in alcohol -359.41 kJ/mol 135.98 J K−1 mol−1 Lead(II) fluoride Lead(II) bromide Lead(II) iodide Lead(IV) chloride Tin(II) chloride Germanium(II) chloride 1278 PbCl4 lead(IV) chloride 13463-30-4 1279 PbCO3 lead(II) carbonate 598-63-0 Cerussite PbCO3 White powder 267.21 g/mol 6.60 g/cc 315 °C (decomp.) 1.804 [1] 0.011 g/100 mL (20 °C)[citation needed] insoluble in alcohol, ammonia; soluble in acid, alkali Non-flammable 1280 PbCrO4 lead(II) chromate 7758-97-6 see text PbCrO4 orange-yellow powder 323.2 g/mol 6.3 g/cc, solid 844 °C negligible 1281 PbF2 lead(II) fluoride 7783-46-2 Lead difluoride plumbous fluoride PbF2 Fluorite (cubic), cF12 white powder 245.20 g/mol 8.445 g/cc (orthorhombic) 7.750 g/cc (cubic) 824°C 1293°C 0.64 g/100 mL (20 °C) [1] soluble in nitric acid; insoluble in acetone and ammonia Lead(II) chloride Lead(II) bromide Lead(II) iodide 1282 PbF4 lead(IV) fluoride 7783-59-7 1283 PbH4 lead(IV) hydride 15875-18-0 Plumbane, lead tetrahydride, tetrahydridolead, lead(IV) hydride PbH4 211.23 g/mol -13 °C 1284 PbI2 lead(II) iodide 10101-63-0 Plumbous iodide PbI2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 461.01 g/mol 6.16 g/cc 402 °C, 675 K, 756 °F 872 °C, 1145 K, 1602 °F 0.044 g/100 mL (0 °C) 0.063 g/100 mL (20 °C) 0.41 g/100 mL (100 °C) [1] insoluble in ethanol soluble in alkalis Lead(II) fluoride Lead(II) chloride Lead(II) bromide Tin(II) iodide Non-flammable 1285 PbMoO4 lead(II) molybdate 10190-55-3 1286 PbO lead(II) oxide 1317-36-8 Lead monoxide Litharge Massicot Plumbous oxide PbO tetragonal, tP4 red or yellow solid 223.20 g/mol 9.64 g/cc [1] 888 °C 1477 °C insoluble insoluble in alkalis soluble in HCl Lead sulfide Lead selenide Lead telluride Carbon monoxide Silicon monoxide Germanium(II) oxide Tin(II) oxide Non-flammable 1287 PbO2 lead(IV) oxide 1309-60-0 Plumbic oxide Plattnerite PbO2 black powder 239.2 g/mol 9.38 g/cc 290 ºC decomp. insoluble Carbon dioxide Silicon dioxide Germanium dioxide Tin dioxide Non-flammable 1288 PBr3 phosphorus tribromide 7789-60-8 1289 PBr5 phosphorus pentabromide 7789-69-7 1290 PbS lead(II) sulfide 1314-87-0 Plumbous sulfide Galena PbS Octahedral (Pb2+) Octahedral (S2−) Halite (cubic), cF8 239.30 g/mol 7.60 g/cc [1] 1118 °C 1281 °C 3.91 2.6 x 10-11 kg/kg (calculated, at pH=7)[2] 8.6 x 10-7 kg/kg[3] Lead(II) oxide Lead selenide Lead telluride Carbon monosulfide Silicon monosulfide Germanium(II) sulfide Tin(II) sulfide Non-flammable 1291 PbSe lead(II) selenide 12069-00-0 Lead(II) selenide Clausthalite PbSe Octahedral (Pb2+) Octahedral (Se2−) Halite (cubic), cF8 286.16 g/mol 1078 °C Lead(II) oxide Lead(II) sulfide Lead telluride Carbon monoselenide Silicon monoselenide Germanium(II) selenide Tin(II) selenide 1292 PbSeO3 lead(II) selenite 7488-51-9 1293 PbSeO4 lead(II) selenate 7446-15-3 1294 PbSiO3 lead(II) metasilicate 10099-76-0 1295 PbSO3 lead(II) sulfite 7446-10-8 1296 PbSO4 lead(II) sulfate 7446-14-2 Anglesite PbSO4 orthorhombic, barite white solid 303.26 g/mol 6.29 g/cc [1] 1170 °C, 1087°C[1] 4.25 mg/100 ml (25 ºC) Lead(II) selenate Tin(II) sulfate Non-flammable 1297 PbTa2O6 lead(II) tantalate 12065-68-8 1298 PbTe lead(II) telluride 1314-91-6 Lead(II) telluride Altaite PbTe Octahedral (Pb2+) Octahedral (Te2−) Halite (cubic), cF8 gray cubic crystals 334.80 g/mol 8.164 g/cc 924°C 0.25 eV (0 K) 0.32 eV (300 K) 1600 cm2 V−1 s−1 (0 K) 6000 cm2 V−1 s−1 (300 K) insoluble -70.7 kJ·mol-1 50.5 J/molK Lead(II) oxide Lead(II) sulfide Lead selenide Carbon monotelluride Silicon monotelluride Germanium telluride Tin telluride Non-flammable 1299 PbTiO4 lead(II) titanate 12060-00-3 1300 PbWO4 lead(II) tungstate 7759-01-5 1301 PbZrO3 lead(II) zirconate 12060-01-4 1302 PCl3 phosphorus trichloride 7719-12-2 Phosphorus(III) chloride Phosphorous chloride PCl3 colourless liquid Phase behaviour Solid, liquid, gas 137.33 g/mol 1.574 g/cc -93.6 °C (179.6 K) 76.1 °C (349.3 K) 1.516 (14 °C) UV, IR, NMR, MS 0.97 D hydrolysis −319.7 kJ/mol 1303 PCl5 phosphorus pentachloride 10026-13-8 Pentachlorophosphorane PCl5 D3h tetragonal colourless crystals 208.24 g/mol 2.1 g/cc 166.8 °C sublimation 160 °C 0 D decomposition (exothermic) soluble in CS2, CCl4, chlorocarbons, benzene Non-flammable 1304 Pd(C2F3O2)2 palladium(II) trifluoroacetate 42196-31-6 1305 Pd(C2H3O2)2 palladium(II) acetate 3375-31-3 Palladium diacetate hexakis(acetato)tripalladium bis(acetato)palladium C4H6O4Pd Square Planar monoclinic Brown yellow solid 224.50 g/mol 2.19 g/cm³ 205 °C (478 K), decomposes decomp. 0 D low Palladium(II) chloride Platinum(II) acetate 1306 Pd(CN)2 palladium(II) cyanide 2035-66-7 1307 Pd(NO3)2 palladium(II) nitrate 10102-05-3 Palladium nitrate Palladous nitrate Pd(NO3)2 red-brown solid 230.43 g/mol Decomposes >100 °C Soluble Palladium(II) chloride Nickel(II) nitrate Non-flammable 1308 PdBr2 palladium(II) bromide 13444-94-5 1309 PdCl2 palladium(II) chloride 7647-10-1 PdCl2 square planar rhombohedral dark red solid hygroscopic 177.33 g/mol 4.0 g/cc 679 °C (decomp.) soluble in trace amounts, better solubility in cold water soluble in organic solvents dissolves rapidly in HCl Palladium(II) fluoride Palladium(II) bromide Palladium(II) iodide Nickel(II) chloride Platinum(II) chloride Platinum(II,IV) chloride Platinum(IV) chloride Non-flammable 1310 PdF2 palladium(II) fluoride 13444-96-7 1311 PdF4 palladium(IV) fluoride 13709-55-2 1312 PdI2 palladium(II) iodide 7790-38-7 1313 PdO palladium(II) oxide 1314-08-5 Palladium monoxide PdO greenish-black powder 122.42 g/mol 8.3 g/cc 750 ºC decomp. insoluble insoluble in acid slightly soluble in aqua regia Palladium sulfide Nickel(II) oxide Non-flammable 1314 PdO2 palladium(IV) oxide 12036-04-3 1315 PdS palladium(II) sulfide 12125-22-3 1316 PdS2 palladium(IV) sulfide 12137-75-6 1317 PdSe palladium(II) selenide 12137-76-7 1318 PdSe2 palladium(IV) selenide 60672-19-7 1319 PdSO4 palladium(II) sulfate 13566-03-5 1320 PdTe palladium(II) telluride 12037-94-4 1321 PdTe2 palladium(IV) telluride 12037-95-5 1322 PF3 phosphorus trifluoride 7783-55-3 Trifluorophosphine Phosphorous fluoride PF3 colorless gas Phase behaviour Solid, liquid, gas 87.968971 g/mol 3.91 g/l, gas −151.5 °C (121.7 K) −101.8 °C (171.4 K) UV, IR, NMR, MS 1.03 D slow hydrolysis Phosphorus trichloride Phosphorus tribromide Phosphorus triiodide Nitrogen trifluoride Arsenic trifluoride Antimony trifluoride Bismuth trifluoride Non-flammable 1323 PF5 phosphorus pentafluoride 7647-19-0 Phosphorus(V) fluoride Pentafluoridophosphorus Pentafluorophosphorane PF5 colourless gas 125.96577 g/mol 5.527 g/cc -93.78 °C -84.6 °C 0 D hydrolysis Phosphorus pentachloride Phosphorus pentabromide Phosphorus pentaiodide Arsenic pentafluoride Antimony pentafluoride Bismuth pentafluoride Non-flammable 1324 PH3 phosphorus trihydride 7803-51-2 1325 PI3 phosphorus triiodide 13455-01-1 Triiodophosphine PI3 dark red solid Phase behaviour Solid, liquid, gas 411.68717 g/mol 4.18 g/cc 61.2 °C 200 °C (decomp) UV, IR, NMR, MS Decomposes non-flammable 1326 Pm2O3 promethium(III) oxide 12036-32-7 Promethium sesquioxide Pm2O3 Hexagonal, hP5 337.824 g/mol 1327 PmBr3 promethium(III) bromide 14325-78-1 1328 PmCl3 promethium(III) chloride 13779-10-7 1329 POBr3 phosphorus oxybromide 7789-59-5 1330 POCl3 phosphorus oxychloride 10025-87-3 Phosphorus oxychloride Phosphoric trichloride POCl3 Clear, colourless liquid, fumes in moist air Phase behaviour Solid, liquid, gas 153.33 g/mol 1.645 g/cc, liquid 1.25 °C (274.4 K) 105.8 °C (379.0 K) UV, IR, NMR, MS 2.54 D Reacts 1331 Pr(CHO2)3 praseodymium(III) formate 3252-52-6 1332 Pr2O3 praseodymium(III) oxide 12026-32-7 Praseodymium oxide, Praseodymium sesquioxide Pr2O3 Hexagonal, hP5 white hexagonal crystals 329.813 g/mol 6.9 g/cc 2183°C 3760°C[1] 117.4 J•mol-1•K-1[1] -1809.6 kJ•mol-1 Praseodymium(III) chloride Praseodymium(III) sulfide Uranium(VI) oxide Neodymium(III) oxide Promethium(III) oxide 1333 Pr2S3 praseodymium(III) sulfide 12038-13-0 Pr2S3 brown powder rotten egg odor 378.00 g/mol 5.042 g/cm³, solid (11.0°C) ? 1334 Pr2Te3 praseodymium(III) telluride 12038-12-9 1335 PrBr3 praseodymium(III) bromide 13536-53-3 1336 PrCl3 praseodymium(III) chloride 10361-79-2 Praseodymium chloride; praseodymium trichloride PrCl3 Tricapped trigonal prismatic (nine-coordinate) hexagonal (UCl3 type), hP8 blue-green solid (anhydrous) light green solid (heptahydrate) 247.24 g/mol (anhydrous) 373.77 g/mol (heptahydrate) 4.02 g/cc (anhydrous) 2.250 g/cc (heptahydrate) 786 °C 1710 °C 104.0 g/100 ml (13°C) Praseodymium(III) fluoride Praseodymium bromide praseodymium iodide Cerium(III) chloride Neodymium(III) chloride 1337 PrF2 praseodymium(II) fluoride 59513-11-0 1338 PrF3 praseodymium(III) fluoride 13709-46-1 1339 PrF4 praseodymium(IV) fluoride 15192-24-2 1340 PrI2 praseodymium(II) iodide 65530-47-4 1341 PrI3 praseodymium(III) iodide 13813-23-5 1342 PrN praseodymium(III) nitride 25764-09-4 1343 PrO2 praseodymium(IV) oxide 12036-05-4 1344 PrS praseodymium(II) sulfide 12038-06-1 1345 PrSe praseodymium(II) selenide 12038-08-3 1346 PrTe praseodymium(II) telluride 12125-60-9 1347 PSCl3 phosphorus thiochloride 3982-91-0 1348 Pt(CN)2 platinum(II) cyanide 592-06-3 1349 Pt6Cl12 platinum(II) chloride 10025-65-7 platinous chloride PtCl2 olive green crystals 265.99 g/mol 6.05 g/cc, solid 581 °C decomposes insoluble insoluble in alcohol soluble in HCl, ammonia platinum(II) sulfide, platinum(II) iodide palladium(II) chloride, iridium dichloride 1350 PtBr2 platinum(II) bromide 13455-12-4 Platinous bromide Br2Pt square planar Dark green powder 354.89 g/mol 6.65 g/cc, solid 250 °C (decomp.) 0 D insol. platinum(II) chloride, platinum(II) iodide ?°C 1351 PtBr3 platinum(III) bromide 25985-07-3 1352 PtBr4 platinum(IV) bromide 68938-92-1 Platinic bromide PtBr4 brownish-black crystals 514.700 g/mol decomposes at 180°C 0.41 g/100mL @ 20°C slightly soluble in ethanol, diethyl ether[1] Platinum(IV) fluoride Platinum(IV) chloride Platinum(IV) iodide Nickel(II) bromide Palladium(II) bromide Platinum(II) bromide non-flammable 1353 PtCl2 platinum(II) chloride 10025-65-7 platinous chloride PtCl2 olive green crystals 265.99 g/mol 6.05 g/cc, solid 581 °C decomposes insoluble insoluble in alcohol soluble in HCl, ammonia platinum(II) sulfide, platinum(II) iodide palladium(II) chloride, iridium dichloride 1354 PtCl3 platinum(III) chloride 25909-39-1 1355 PtCl4 platinum(IV) chloride 13454-96-1 PtCl4 brown-red powder 336.89 g/mol 4.303 g/cc (anhydrous) 2.43 g/cc (pentahydrate) 370 °C, decomposes decompose dissolves (anhydrous) very soluble (pentahydrate) anhydrous soluble in acetone slightly soluble in ethanol insoluble in ether pentahydrate soluble in alcohol, ether platinum(IV) fluoride, platinum disulfide, platinum tetrabromide iridium tetrachloride 1356 PtCl4-5H2O platium(IV) chloride pentaahydrate 15869-63-3 1357 PtF4 platinum(IV) fluoride 13455-15-7 1358 PtF5 platinum(V) fluoride 13782-84-8 1359 PtF6 platinum(VI) fluoride 13693-05-5 Platinum(VI) fluoride PtF6 octahedral (Oh) Orthorhombic, oP28 dark-red crystals 309.07 g/mol 3.83 g/cc 61.3 °C 69.14 °C reacts violently 1360 PtI2 platinum(II) iodide 7790-39-8 1361 PtI3 platinum(III) iodide 68220-29-1 1362 PtI4 platinum(IV) iodide 7790-46-7 1363 PtO platinum(II) oxide 12035-82-4 1364 PtO2 platinum(IV) oxide 1314-15-4 platinum dioxide, platinic oxide PtO2 black solid 227.08 g/mol 10.2 g/cm³ 450 °C, 723 K, 842 °F insoluble insoluble in alcohol, acid, aqua regia soluble in caustic potash solution 1365 PtO2-H2O platinum(IV) oxide monohydrate 12137-21-2 1366 PtS platinum(II) sulfide 12038-20-9 1367 PtS2 platinum(IV) sulfide 12038-21-0 1368 PtSe2 platinum(IV) selenide 12038-26-5 1369 PtTe platinum(II) telluride 12166-00-6 1370 PtTe2 platinum(IV) telluride 12038-29-8 1371 Pu2O3 plutonium(III) oxide 12036-34-9 1372 PuBr3 plutonium(III) bromide 15752-46-2 1373 PuCl3 plutonium(III) chloride 13569-62-5 Plutonium trichloride PuCl3 Green solid 350.322 g/mol 5.71 g/cc, solid[1] 767 °C (1040.15 K)[1] 1767 °C (2040.15 K)[1] PuCl4, PuBr3, SmCl3 1374 PuF3 plutonium(III) fluoride 13842-83-6 Plutonium fluoride, plutonium trifluoride PuF3 violet crystals 301.059 g/mol 9.3 g/cm³ 1396°C[1] decomposes at 2000°C[2] Plutonium(III) chloride Plutonium(IV) oxide Samarium(III) fluoride Plutonium(IV) fluoride Plutonium(VI) fluoride 1375 PuF4 plutonium(IV) fluoride 13709-56-3 Plutonium tetrafluoride PuF4 Monoclinic, mS60 reddish-brown monoclinic crystals 320 g/mol 7.1 g/cc 1027°C 1376 PuF6 plutonium(VI) fluoride 13693-06-6 1377 PuH2 plutonium(II) hydride 17336-52-6 1378 PuH3 plutonium(III) hydride 15457-77-9 1379 PuI3 plutonium(III) iodide 13813-46-2 1380 PuN plutonium(III) nitride 12033-54-4 1381 PuO plutonium(II) oxide 12035-83-5 1382 PuO2 plutonium(IV) oxide 12059-95-9 Plutonium dioxide PuO2 Tetrahedral (O2–); cubic (PuIV) Fluorite (cubic), cF12 Yellow-brown solid. 276.06 g/mol 11.5 g/cc ~2400 °C ~2800 °C insoluble Non-flammable 1383 PuS plutonium(II) sulfide 12038-51-6 1384 PuS2 plutonium(IV) sulfide 12038-56-1 1385 PuSe plutonium(II) selenide 23299-88-9 1386 Ra(OH)2 radium hydroxide 98966-86-0 1387 RaBr2 radium bromide 10031-23-9 radium bromide RaBr2 white orthorhombic crystals 386 g/mol 5.79 g/cc 728°C 70.6 g/100 g at 20°C Radium chloride 1388 RaCl2 radium chloride 10025-66-8 RaCl2 296.094 g/mol 19.6 g/100 mL (20 °C) 1389 RaCO3 radium carbonate 7116-98-5 1390 RaF2 radium fluoride 20610-49-5 1391 RaI2 radium iodide 20610-52-0 1392 RaNO3 radium nitrate 10213-12-4 1393 RaO radium oxide 12143-02-1 1394 RaSO4 radium sulfate 7446-16-4 1395 Rb2O rubidium oxide 18088-11-4 Rubidium(I) oxide Dirubidium oxide Rb2O Tetrahedral (Rb+); cubic (O2–) Antifluorite (cubic), cF12 Yellow solid 186.94 g/moL 4 g/cc >500 ºC Reacts violently to give RbOH Lithium oxide Sodium oxide Potassium oxide Caesium oxide Non-flammable 1396 Rb2O2 rubidium peroxide 23611-30-5 1397 Rb2S rubidium sulfide 31083-74-6 1398 Rb2Se rubidium selenide 31052-43-4 1399 Rb2Te rubidium telluride 12210-70-7 Rb2Te yellow-green powder 298.64 g/mol 775 °C 1400 RbAlCl4 rubidium tetrachloroaluminate 17992-02-8 1401 RbAlF4 rubidium tetrafluoroaluminate 14484-70-9 1402 RbBr rubidium bromide 7789-39-1 Rubidium(I) bromide RbBr white crystalline solid 165.372 g/mol 3.350 g/cc 693 °C, 966 K, 1279 °F 1340 °C, 1613 K, 2444 °F 98 g/100 mL Rubidium fluoride Rubidium chloride Rubidium iodide Lithium bromide Sodium bromide Potassium bromide Caesium bromide Non-flammable 1403 RbC2H3O2 rubidium acetate 563-67-7 1404 RbC5H7O2 rubidium acetylacetonate 66169-93-5 1405 RbCl rubidium chloride 7791-11-9 rubidium(I) chloride RbCl white crystals hygroscopic 120.921 g/mol 2.80 g/cc (25 °C) 2.088 g/mL (750 °C) 718 °C 1390 °C 52.4 J K−1 mol−1 1.5322 77 g/100mL (0 °C) 91 g/100 mL (20 °C) 130 g/100 mL (100 °C) −435.14 kJ/mol 95.9 J K−1 mol−1 Rubidium fluoride Rubidium bromide Rubidium iodide Lithium chloride Sodium chloride Potassium chloride Caesium chloride Non-flammable 1406 RbF rubidium fluoride 13446-74-7 Rubidium(I) Fluoride RbF white crystalline solid 104.4662 g/mol 3.557 g/cc 795 °C (1068 K) 1408 °C (1681 K) 130.6 g/100 mL (18 °C) Rubidium chloride Rubidium bromide Rubidium iodide Lithium fluoride Sodium fluoride Potassium fluoride Caesium fluoride Non-flammable 1407 RbH rubidium hydride 13446-75-8 Rubidium(I) hydride RbH cubic, cF8 white cubic crystals 86.476 g/mol 2.60 g/cc Decomposes at 170°C reacts -52.3 kJ/mol Rubidium oxide Rubidium chloride Lithium hydride Sodium hydride Potassium hydride 1408 RbI rubidium iodide 7790-29-6 IRb solid 212.37 g mol−1 3.110 g/cm 3 646.85 °C 1304 °C 152 g/100 mL 1409 RbIO3 rubidium iodate 13446-76-9 1410 RbIO4 rubidium periodate 13465-48-0 1411 RbNO3 rubidium nitrate 13126-12-0 RbNO3 White hygroscopic solid 147.473 g/mol 3.11 g/cc 310 ºC decomp. 578 °C 1.524 44.28 g/100 mL (16 °C) Lithium nitrate Sodium nitrate Potassium nitrate Caesium nitrate Non-flammable 1412 RbO2 rubidium superoxide 12137-25-6 1413 RbOH rubidium hydroxide 1310-82-3 grayish-white solid, hygroscopic 102.475 g/mol 3.203 g/cc 301 °C 1390 °C 100 g/100 mL (15 °C) soluble in ethanol −413.8 kJ/mol Lithium hydroxide Sodium hydroxide Potassium hydroxide Caesium hydroxide Non-flammable 1414 Re2O3 rhenium(III) oxide 12060-05-8 1415 Re2O7 rhenium(VII) oxide 1314-68-7 Rhenium heptoxide O7Re2 yellow crystalline powder 484.410 g/mol 6.103 g/cc, solid 360 °C sublimes 1416 Re2S7 rhenium(VII) sulfide 12038-67-4 1417 ReBr3 rhenium(III) bromide 13569-49-8 1418 ReBr4 rhenium(IV) bromide 36753-03-4 1419 ReBr5 rhenium(V) bromide 30937-53-2 1420 ReCl3 rhenium(III) chloride 13569-63-6 Rhenium trichloride ReCl3 Rhombohedral, hR72 red, crystalline, nonvolatile solid 292.57 g/mol 4800 kg/m³ N/A 500 °C (decomposes) hydrolyzes to form Re2O3.xH2O. Rhenium tribromide Rhenium triiodide 1421 ReCl4 rhenium(IV) chloride 13569-71-6 1422 ReCl5 rhenium(V) chloride 13596-35-5 Rhenium(V) chloride, Rhenium chloride, pentachlororhenium ReCl5 Monoclinic, , mP48 red-brown 363.471 g/mol 4.9 g/cc, solid 220 °C N/A Will react to decompose and release HCl (g) Rhenium hexathiocyanate, Rhenium tetraiodate, Rhenium hexafluoride 1423 ReCl6 rhenium(VI) chloride 31234-26-1 1424 ReF4 rhenium(IV) fluoride 15192-42-4 1425 ReF5 rhenium(V) fluoride 30937-52-1 1426 ReF6 rhenium(VI) fluoride 10049-17-9 1427 ReF7 rhenium(VII) fluoride 17029-21-9 1428 ReI3 rhenium(III) iodide 15622-42-1 1429 ReI4 rhenium(IV) iodide 59301-47-2 1430 ReO2 rhenium(IV) oxide 12036-09-8 Rhenium dioxide ReO2 Orthorohmbic, oP12 gray orthorhombic crystals 218.206 g/mol 11.4 g/cm³[1] decomposes at 1000°C[2] Rhenium(VII) oxide Rhenium(III) oxide Rhenium(III) chloride manganese(IV) oxide Technetium(VII) oxide 1431 ReO3 rhenium(VI) oxide 1314-28-9 1432 ReS2 rhenium(IV) sulfide 12038-63-0 1433 ReTe2 rhenium(IV) telluride 12067-00-4 1434 Rh(NO3)3 rhodium(III) nitrate 13465-43-5 1435 Rh2(SO4)3 rhodium(III) sulfate 10489-46-0 1436 Rh2O3 rhodium(III) oxide 12036-35-0 Rh2O3 hexagonal (corundum) dark grey odorless powder 253.8092 g/mol 8.20 g/cc 1100°C (decomposes) insoluble insoluble in aqua regia 1437 Rh2S3 rhodium(III) sulfide 12067-06-0 1438 Rh2S7 rhodium(VII) sulfide 12038-67-4 1439 RhBr3 rhodium(III) bromide 15608-29-4 1440 RhCl3 rhodium(III) chloride 10049-07-7 Rhodium trichloride RhCl3 octahedral Monoclinic, mS16 dark red solid deliquescent 209.26 g/mol 5.38 g/cc, solid ca. 450 °C 717 °C insoluble soluble in hydroxide and cyanide solutions, also soluble in aqua regia -234 kJ/mol Rhodium(III) fluoride Rhodium(III) bromide Rhodium(III) iodide Cobalt(II) chloride Iridium(III) chloride Non-flammable acidic in solution 1441 RhF3 rhodium(III) fluoride 60804-25-3 1442 RhF4 rhodium(IV) fluoride 60617-65-4 1443 RhF5 rhodium(V) fluoride 41517-05-9 1444 RhF6 rhodium(VI) fluoride 13693-07-7 1445 RhI3 rhodium(III) iodide 15492-38-3 1446 RhO2 rhodium(IV) oxide 12137-27-8 RhO2 tetragonal (rutile) black crystalline solid 134.904 g/mol 7.2 g/cm³ 1050 °C (decomposes) 1447 RhS2 rhodium(IV) sulfide 12038-73-2 1448 RhSe2 rhodium(IV) selenide 12038-76-5 1449 RhTe2 rhodium(IV) telluride 12038-80-1 1450 RuBr2 ruthenium(II) bromide 59201-36-4 1451 RuBr3 ruthenium(III) bromide 14014-88-1 1452 RuC15H21O3 ruthenium(III) acetylacetonate 22594-69-0 1453 RuCl2 ruthenium(II) chloride 13465-51-5 1454 RuCl3 ruthenium(III) chloride 10049-08-8 RuCl3·xH2O octahedral trigonal (RuCl3), hP8 207.43 g/mol >500 °C (decomp.) Soluble Ruthenium(III) bromide Rhodium(III) chloride Iron(III) chloride Non-flammable 1455 RuF3 ruthenium(III) fluoride 51621-05-7 1456 RuF4 ruthenium(IV) fluoride 71500-16-8 1457 RuF5 ruthenium(V) fluoride 14521-18-7 1458 RuF6 ruthenium(VI) fluoride 13693-08-8 1459 RuI2 ruthenium(II) iodide 59201-41-1 1460 RuI3 ruthenium(III) iodide 13896-65-6 1461 RuO2 ruthenium(IV) oxide 12036-10-1 Ruthenium dioxide RuO2 Octahedral (RuIV); trigonal planar (O2–) Rutile (tetragonal), tP6 blue-black solid Phase behaviour Solid, liquid, gas 133.07 g/mol 6.97 g/cc 1200 ºC subl. UV, IR, NMR, MS insoluble Ruthenium disulfide Osmium(IV) oxide Non-flammable 1462 RuO4 ruthenium(VI) oxide 20427-56-9 RuO4 colorless liquid 165.07 g/mol 3.29 g/cc 25.4 °C 40.0 °C zero 2% w/v at 20°C 1463 RuS2 ruthenium(IV) sulfide 12166-20-0 1464 RuSe2 ruthenium(IV) selenide 12166-21-1 1465 RuTe2 ruthenium(IV) telluride 12166-21-1 1466 S2Br2 disulfur dibromide 13172-31-1 1467 S2Cl2 disulfur dichloride 10025-67-9 Sulfur monochloride S2Cl2 gauche yellow liquid 135.04 g/mol 1.688 g/cc –80 °C 137.1 °C 1.658 1.60 D [2] decomp with loss of HCl soluble in ethanol, benzene, ether, chloroform, CCl4 [1] 234 °C 118.5 °C 1468 S2F10 disulfur decafluoride 5714-22-7 S2F10 -53 °C 30.1 °C 1469 S2F4 disulfur tetrafluoride 10546-01-7 1470 S2I2 disulfur diiodide 53280-15-2 1471 S2O disulfur monoxide 20901-21-7 1472 S4N4 tetrasulfur tetranitride 28950-34-7 S4N4 Orange solid 184.29 g/mol 187 °C (460 K) Insoluble 1473 Sb2(SO4)3 antimony trisulfate 7446-32-4 1474 Sb2O3 antimony trioxide 1309-64-4 Antimony sesquioxide Antimonous oxide Flowers of Antimony Sb2O3 pyramidal cubic (α)<570 °C orthorhombic (β) >570 °C white solid Phase behaviour Solid, liquid, gas 291.52 g/mol 5.2 g/cm³, α-form 656 °C 1425 °C (sublimes) 2.087 UV, IR, NMR, MS zero 1.21 g/100 mL (0 °C) 1.80 g/100 mL (20 °C) 8.20 g/100 mL (100 °C), with hydrolysis insoluble Antimony trisulfide Arsenic trioxide Bismuth trioxide 1475 Sb2O4 antimony tetroxide 1332-81-6 SbO2; Sb2O4 orthorhombic white solid 153.7588; 307.5176 g/mol 6.64 g/cc (orthorhombic form) [1] dec. dec. 2 insoluble 1476 Sb2O5 antimony pentoxide 1314-60-9 antimony(V) oxide Sb2O5 yellow powdery solid 323.5 g/mol 3.78 g/cc, solid 380°C (decomposes) very slightly soluble insoluble in nitric acid 1477 Sb2S3 antimony trisulfide 1345-04-6 1478 Sb2S5 antimony pentasulfide 1315-04-4 S5Sb2 403.85 g mol−1 1479 Sb2Se3 antimony triselenide 1315-05-5 antimonselite selenoxyantimony Sb2Se3 Orthorhombic, oP20, SpaceGroup = Pnma, No. 62 black crystals 480.4 g/mol 5.81 g/cc, solid 611 °C antimony(III) oxide, antimony(III) sulfide, antimony(III) telluride arsenic(III) selenide, bismuth(III) selenide 1480 Sb2Te3 antimony tritelluride 1327-50-0 1481 SbBr3 antimony tribromide 7789-61-9 SbBr3 Orthorhombic, oP16, SpaceGroup = Pnma, No. 62 (β form) colorless hygroscopic crystals 361.472 g/mol 4.35 g/cc, solid 96.6°C 280°C reacts 1482 SbCl2F3 antimony dichlorotrifluoride 7791-16-4 1483 SbCl3 antimony trichloride 10025-91-9 Antimony (III) chloride Trichlorostibine Antimonous chloride Butter of antimony SbCl3 colorless solid; sharp, pungent odor 228.13 g/mol 3.140 g/cc, solid 73.4 °C 220.3 °C 602 g/100 cm3 (0 °C) 910 g/100 cm3 (20 °C) Antmony trifluoride Antimony tribromide Antimony triiodide Nitrogen trichloride Phosphorus trichloride Arsenic trichloride Bismuth chloride Non-flammable 1484 SbCl5 antimony pentachloride 7647-18-9 Antimonic chloride Antimony quintachloride Antimony perchloride SbCl5 Colourless or yellow (fuming) liquid 299.02 g/mol 2.336 g/cc 2.8 °C, 276 K, 37 °F 140 °C, 413 K, 284 °F 1.59255 0 D decomposes soluble in HCl, chloroform and CCl4 Antimony pentafluoride Phosphorus pentachloride 77 °C 0.00191 Pa s 1485 SbF3 antimony trifluoride 7783-56-4 trifluoroantimony SbF3 Orthorhombic, oS16 colourless crystals 178.75 g/mol 4.379 g/cc 292°C (565.15 K) 376°C (649.15 K) soluble 1486 SbF5 antimony pentafluoride 7783-70-2 antimony pentafluoride pentafluoridoantimony SbF5 colorless oily liquid hygroscopic 216.74 g/mol 2.99 g/cc [1] 8.3 °C, 281 K, 47 °F 149.5 °C, 423 K, 301 °F Reacts with water soluble in KF Antimony pentachloride Phosphorus pentafluoride Arsenic pentafluoride Bismuth pentafluoride 1487 SbH3 antimony trihydride 7803-52-3 Antimony trihydride H3Sb Colourless gas Phase behaviour Solid, liquid, gas 124.784 g/mol 5.48 g/L, gas −88 °C, 185 K, -126 °F −17 °C, 256 K, 1 °F UV, IR, NMR, MS Flammable gas 1488 SbI3 antimony triiodide 7790-44-5 SbI3 Rhombohedral, hR24, SpaceGroup = R-3, No. 148 Red crystals 502.473 g/mol 4.92 g/cc, solid 171 °C 401 °C 1489 SbI5 antimony pentaiodide 7790-44-5 1490 SbN antimony trinitride 12333-57-2 1491 SbNbO4 antimony orthoniobate 35600-19-2 1492 Sc(CF3SO3)3 scandium(III) trifluoromethanesulfonate 144026-79-9 C3F9O9S3Sc 492.16 g/mol 1493 Sc(CHO2)3 scandium(III) formate 23405-01-8 1494 Sc(NO3)3 scandium(III) nitrate 13465-60-6 Sc(NO3)3 off-white crystals 230.97 g/mol ? g/ml, solid 1495 Sc2O3 scandium(III) oxide 12060-08-1 Scandia, scandium sesquioxide Sc2O3 137.91 g/mol 3.86 g/cc 2485 °C 1496 Sc2S3 scandium(III) sulfide 12166-29-9 Sc2S3 orthorhombic yellow crystals 186.11 g/mol 2.91 g/cm³, solid 1775°C 1497 Sc2Te3 scandium(III) telluride 12166-44-8 1498 ScBr3 scandium(III) bromide 13465-59-3 1499 ScCl3 scandium(III) chloride 10361-84-9 scandium chloride scandium trichloride ScCl3 grayish-white crystals 151.31 g/mol 2.39 g/mL, solid 960 °C soluble 1500 ScF3 scandium(III) fluoride 13709-47-2 Scandium trifluoride ScF3 Rhombohedral, R32 bright white powder 101.95112 g/mol 2.53 g/cc 1552 °C[1] 1607 °C[1] 1501 ScH2 scandium(II) hydride 13598-30-6 1502 ScH3 scandium(III) hydride 43238-07-9 1503 ScI3 scandium(III) iodide 14474-33-0 1504 SCl2 sulfur dichloride 10545-99-0 Sulfur chloride SCl2 C2v red liquid with pungent odour 102.97 g mol−1 1.621 g cm−3, liquid −121.0 °C (152.15 K) 59 °C (332.15 K) (decomp.) 1.557 hydrolysis 234 °C 1505 SCl4 sulfur tetrachloride 13451-08-6 1506 Se2S6 selenium hexasulfide 75926-26-0 Se2S6 orange needles 350.32 g/mol 2.44 g/cc 121.5°C soluble in carbon disulfide 1507 SeBr selenium bromide 17655-37-7 1508 SeBr2 selenium dibromide 22987-45-7 1509 SeBr4 selenium tetrabromide 7789-65-3 1510 SeCl2 selenium dichloride 14457-70-6 1511 SeCl4 selenium tetrachloride 10026-03-6 SeCl4 Monoclinic, mS80 white to yellow crystals 220.771 g/mol 2.6 g/cm³, solid sublimes at 191.4°C[1] decomposes in water Selenium tetrafluoride Selenium tetrabromide Selenium dioxide Dichlorine monoxide Sulfur tetrachloride Tellurium tetrachloride non-flammable 1512 SeF2 selenium difluoride 70421-43-1 1513 SeF4 selenium tetrafluoride 13465-66-2 SeF4 colourless liquid 154.954 g/mol 2.77 g/cc -13.2 °C 101 °C selenium dioxide, selenium(IV) chloride, selenium(IV) bromide sulfur tetrafluoride, tellurium(IV) fluoride 1514 SeF6 selenium hexafluoride 7783-79-1 selenium(VI) fluoride, selenium fluoride SeF6 octahedral (Oh) Orthorhombic, oP28 colourless gas 192.9534 g/mol 2.108 g/cc −50.8 °C -34.5 °C 1.895 insoluble 1030 kJ/mol[1] 1515 SeO2 selenium dioxide 7446-08-4 Selenium(IV) oxide Selenous anhydride SeO2 trigonal (Se) see text White crystalline solid 110.96 g/mol 3.95 g/cc, solid 340 ºC (sealed tube) 315 °C subl. 1.65 kPa (70 ºC) 38.4 g/100 mL (20 °C) 39.5 g/100 ml (25 °C) 82.5 g/100 mL (65 °C) soluble in benzene Selenium disulfide Sulfur dioxide Tellurium dioxide Non-flammable 2.62; 8.32 1516 SeO2F2 selenium dioxydifluoride 14984-81-7 1517 SeO3 selenium trioxide 13768-86-0 SeO3 tetragonal white hygroscopic crystals 126.96 g/mol 3.44 g/cc 118.35 °C sublimes very soluble 1518 SeOBr2 selenium oxybromide 7789-51-7 SeOBr2 red-yellow solid 254.77 g/mol 3.38 g/cm³, solid 41.6°C decomposes at 220°C reacts soluble in carbon disulfide, benzene, carbon tetrachloride[1] 1519 SeOCl2 selenium oxychloride 7791-23-3 Seleninyl chloride SeOCl2 colorless liquid 165.87 g/mol 2.43 g/cc, liquid 10.9 °C 177.2 °C 1.651 (20 °C) hydrolyzes violently soluble in CS2, CCl4, chloroform, benzene, toluene decomposes in HCl 1520 SeS selenium monosulfide 744-34-6 1521 SeS2 selenium disulfide 7488-56-4 Selenium(IV) sulfide SeS2 orange 143.09 g/mol -249.5 °C, 24 K, -417 °F -112 °C, 161 K, -170 °F insoluble Selenium dioxide Tellurium disulfide 1522 SF2 sulfur difluoride 13814-25-0 1523 SF4 sulfur tetrafluoride 7783-60-0 Sulfur tetrafluoride SF4 colorless gas 108.07 g/mol 1.95 g/cc, −78 °C −121.0 °C −38 °C 0.632 D[1] decomp Sulfur dichloride Disulfur dibromide Oxygen difluoride Selenium tetrafluoride Tellurium tetrafluoride Polonium tetrafluoride 1524 SF6 sulfur hexafluoride 2551-62-4 Sulfur fluoride Elagas Esaflon SF6 octahedral (Oh) Orthorhombic, oP28 colorless, odorless gas 146.06 g/mol 6.164 g/L (gas, 1 bar: ~5.1 times denser than air) 1.329 g/ml (liquid, 25 °C) 2.510 g/cc (solid, −50.8 °C) -50.7 °C (triple point) −64 °C (209 K) (subl.) decomp. at ca. 500 °C (773 K) slightly soluble Selenium hexafluoride Tellurium hexafluoride 1525 Si3N4 silicon nitride 12033-89-5 N4Si3 grey, odorless powder 140.28 g mol−1 3.44 g/cc, solid 1900 °C, 2173 K, 3452 °F (decomposes) silicon carbide, silicon dioxide boron nitride 1526 SiB4 silicon boride 12007-81-7 1527 SiBr4 silicon bromide 7789-66-4 tetrabromosilane, silicon (IV) bromide, silicon bromide SiBr4 colorless liquid 347.72 g/mol 2.79 g/cc 5 ËÅ¡C 153 ËÅ¡C 1.5685 reacts 1528 SiC silicon carbide 409-21-2 SiC transparent to black powder depending on purity 40.0962 g/mol 3.21 g/cc (all polytypes) [1] 2730°C (decomposes) ~900 cm2/(V*s) (all polytypes) 2.55 (infrared; all polytypes) [2] insoluble insoluble in acid 1529 SiCl4 silicon chloride 10026-04-7 Silicon tetrachloride Tetrachlorosilicane SiCl4 4 Tetrahedral Colourless liquid Phase behaviour Solid, liquid, gas 169.90 g·mol-1 1.483×10−3 kg/m3 −68.74 °C 57.65 °C 25.9 kPa at 20 °C UV, IR, NMR, MS decomposes soluble in benzene, toluene, chloroform, ether Silicon tetrafluoride Silicon tetrabromide Silicon tetraiodide Carbon tetrachloride Germanium tetrachloride Tin(IV) chloride Lead(IV) chloride −18 °C 1530 SiF4 silicon fluoride 7783-61-1 Silicon fluoride Fluoro acid air SiF4 colourless gas, fumes in moist air 104.0791 g/mol 1.66 g/cc, solid (−95 °C) 4.69 g/L (gas) −90 °C −86 °C 0 D decomposes Silicon tetrachloride Silicon tetrabromide Silicon tetraiodide Carbon tetrafluoride Germanium tetrafluoride Tin tetrafluoride Lead tetrafluoride 1531 SiH4 silicon hydride 7803-62-5 Silicon tetrahydride Silicon hydride Monosilane Silicane SiH4 Colorless gas 32.12 g/mol 0.7 g/ml (liquid) 1.342 kg/m3 (gas) 88 K (−185 °C) 161 K (−112 °C) 0 D Insoluble, slow hydrolysis −1615 kJ/mol 283 J mol−1 K−1 294 K (21 °C) (~70°F) flammable gas 1532 SiI4 silicon iodide 13465-84-4 silicon tetraiodide Tetraiodosilane SiI4 white powder 535.7034 g/mol 4.198 g/cc 120.5 °C, 394 K, 249 °F 287.4 °C, 561 K, 549 °F insoluble -18 °C 1533 SiO2 silicon dioxide 14808-60-7 Silica quartz SiO2 see text white powder 60.0843 g/mol 2.634 g/cc 1650(±75) °C 2230 °C 0.012 g/100 mL Silicon sulfide Carbon dioxide Germanium dioxide Tin dioxide Lead dioxide Non-flammable 1534 SiS2 silicon sulfide 13759-10-9 silicon disulfide SiS2 tetrahedral orthorhombic, rhombohedral white, grey, or brown needles rotten egg smell in moist air 92.218 g/mol 1.853 g/cc 1090 °C (sublimes) decomposes silicon dioxide carbon disulfide germanium disulfide tin(IV) sulfide lead(IV) sulfide 1535 Sm(CHO2)3 samarium(III) formate 3252-54-8 1536 Sm2O3 samarium(III) oxide 12060-58-1 samarium sesquioxide Sm2O3 cubic yellow-white crystals 348.72 g/mol 8.347 g/cc 2335°C insoluble 1537 Sm2S3 samarium(III) sulfide 12067-22-0 Sm2S3 cubic red-brown crystals 396.92 g/mol 5.87 g/cm³, solid 1720°C ? 1538 Sm2Se3 samarium(III) selenide 12039-56-4 1539 Sm2Te3 samarium(III) telluride 12040-00-5 1540 SmBr2 samarium(II) bromide 50801-97-3 1541 SmBr3 samarium(III) bromide 13759-87-0 1542 SmCl2 samarium(II) chloride 13874-75-4 samarium dichloride SmCl2 brown crystals 221.27 g/mol 3.69 g/cc, solid 855°C °C ? 1543 SmCl3 samarium(III) chloride 10361-82-7 SmCl3 Tricapped trigonal prismatic (nine-coordinate) hexagonal, hP8 pale yellow solid (anhydrous) cream-coloured solid (hexahydrate) 256.76 g/mol (anhydrous) 364.80 g/mol (hexahydrate) 4.46 g/cc (anhydrous) 2.383 g/cc (hexahydrate) 682 °C decomposes 92.4 g/100 mL (10 °C) 1544 SmF2 samarium(II) fluoride 15192-17-3 1545 SmF3 samarium(III) fluoride 13765-24-7 Samarium trifluoride, Trifluorosamarium SmF3 Orthorombic, oP16, SpaceGroup = Pnma, No. 62 Yellow odorless powder 207.36 g/mol 6.6 g/cc at 20 °C 1306 °C 2427 °C Soluble 1546 SmI2 samarium(II) iodide 32248-43-4 Samarium diiodide SmI2 green solid 404.16 g/mol 520 °C Samarium(II) chloride Samarium(II) bromide Samarium(III) iodide Europium(II) iodide Non-flammable 1547 SmI3 samarium(III) iodide 13813-25-7 1548 Sn(BF4)2 tin(II) fluoroborate 13814-97-6 1549 SnBr2 tin(II) bromide 10031-24-0 tin dibromide, stannous bromide SnBr2 related to PbCl2 yellow powder 278.518 g/mol 5.12 g/cm³, solid 215°C 639°C ? 1550 SnBr4 tin(IV) bromide 7789-67-5 tin tetrabromide, stannic bromide, bromostannic acid SnBr4 colourless [1] 438.33 g/mol 3.340 g/cc (at 35 °C)[1] 31 °C [1] 205 °C [1] 1551 SnC2O4 tin(II) oxalate 814-94-8 1552 SnCl2 tin(II) chloride 7772-99-8 Stannous chloride Tin salt Tin protochloride SnCl2 Trigonal pyramidal (anhydrous) Dihydrate also three-coordinate Layer structure (chains of SnCl3 groups) White crystalline solid Phase behaviour Solid, liquid, gas 189.60 g/mol (anhydrous) 225.63 g/mol (dihydrate) 3.95 g/cc (anhydrous) 2.71 g/cc (dihydrate) 247 °C (anhydrous) 37 °C (dihydrate) 623 °C (896 K) (decomp.) UV, IR, NMR, MS 83.9 g/100 ml (0 °C) Hydrolyses in hot water soluble in ethanol, acetone, ether insoluble in xylene Tin(II) fluoride Tin(II) bromide Tin(II) iodide Germanium dichloride Tin(IV) chloride Lead(II) chloride 1553 SnCl4 tin(IV) chloride 7646-78-8 Stannic chloride SnCl4 fuming liquid 260.50 g/mol (anhydrous) 350.60 g/mol (pentahydrate) 2.226 g/ml (anhydrous) 2.04 g/cc (pentahydrate) -33 °C 114.15 °C decomposes (anhydrous) very soluble (pentahydrate) soluble in alcohol, benzene, toluene, chloroform, acetone, kerosene Tin(IV) fluoride Tin(IV) bromide Tin(IV) iodide Germanium tetrachloride Tin(II) chloride Lead(IV) chloride 1554 SnF2 tin(II) fluoride 7783-47-3 Stannous fluoride SnF2 Monoclinic, mS48 colorless solid 156.69 g/mol 4.57 g/cc 215 °C 850 °C ca. 35 g/100 mL (20 °C) Tin(II) chloride Tin(II) bromide Tin(II) iodide Germanium tetrafluoride Tin tetrafluoride Lead(II) fluoride Non-flammable 1555 SnF4 tin(IV) fluoride 7783-62-2 stannic fluoride, tin tetrafluoride SnF4 Tetragonal, tI10 white solid 194.704 g/mol above 700 °C (sublimes) 1556 SnH4 tin(IV) hydride 2406-52-2 tin tetrahydride tin hydride stannane SnH4 colourless gas 122.71 g mol−1 5.4 g dm−3, gas −146 °C (127.15 K) −52 °C (221.15 K) ? g/100 ml (?°C) 1557 SnI2 tin(II) iodide 10294-70-9 stannous iodide SnI2 red to red-orange solid 372.519 g/mol 320 °C 714 °C tin dichloride, tin(II) bromide germanium diiodide, lead(II) iodide 1558 SnI4 tin(IV) iodide 7790-47-8 tin tetraiodide stannic iodide SnI4 Cubic, cP40 red-orange solid 626.328 g mol−1 4.56 g cm−3 144 °C[1] 348 °C 1559 SnO tin(II) oxide 21651-19-4 Stannous oxide SnO tetragonal black powder 134.71 g/mol 6.45 g/cc 1080 °C (decomp)[1] insoluble Tin sulfide Tin selenide Tin telluride Carbon monoxide Silicon monoxide Germanium(II) oxide Lead(II) oxide Non-flammable 1560 SnO2 tin(IV) oxide 18282-10-5 Stannic oxide Tin(IV) oxide Flowers of tin Cassiterite SnO2 Octahedral (SnIV); trigonal planar (O2–) Rutile (tetragonal), tP6 white powder 150.71 g/mol 6.95 g/cc 1630 °C 1800–1900 ºC 2.006 insoluble Tin disulfide Carbon dioxide Silicon dioxide Titanium dioxide Germanium dioxide Zirconium dioxide Hafnium dioxide Lead dioxide Non-flammable 1561 SnS tin(II) sulfide 1314-95-0 Tin monosulfide Herzenbergite SnS Octahedral (Sn2+) Octahedral (S2−) Halite (cubic), cF8 dark brown solid 150.76 g/mol 5.22 g/cc 882 ËÅ¡C about 1230 ËÅ¡C Insoluble Tin(II) oxide Tin selenide Tin telluride Carbon monosulfide Silicon monosulfide Germanium monosulfide Lead(II) sulfide 1562 SnS2 tin(IV) sulfide 1315-01-1 tin disulfide, stannic sulfide, mosaic gold SnS2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 gold-yellow odorless powder 182.81 g/mol 4.5 g/cc, solid <680 °C insoluble 1563 SnSe tin(II) selenide 1315-06-6 Tin(II) selenide SnSe Octahedral (Sn2+) Octahedral (Se2−) Halite (cubic), cF8 steel gray odorless powder 197.67 g/mol 6.179 g/cc 861 °C insoluble Tin(II) oxide Tin(II) sulfide Tin telluride Carbon monoselenide Silicon monoselenide Germanium selenide Lead selenide 1564 SnSe2 tin(IV) selenide 20770-09-6 1565 SnSO4 tin(II) sulfate 7488-55-3 Stannous sulfate SnSO4 white-yellowish crystalline solid deliquescent 214.77 g/mol 4.15 g/cc 378 °C decomposes to SnO2 and SO2 soluble Lead(II) sulfate Non-flammable 1566 SnTe tin(II) telluride 12040-02-7 1567 SO sulfur monoxide 13827-32-2 1568 SO2 sulfur dioxide 7446-09-5 Sulfur(IV) oxide Sulfurous anhydride SO2 colorless gas 64.07 g/mol 2.551 g/L (gas) 1.46 g/cc (liquid, −10 °C) -75.5 °C, 198 K, -104 °F -10.0 °C, 263 K, 14 °F 1.62 D 22.97 g/100 mL (0 °C) 11.58 g/100 mL (20 °C) 9.4 g/100 mL (25 °C) [1] very soluble in acetone, methyl isobutyl ketone, acetic acid, alcohol soluble in sulfuric acid Selenium dioxide Tellurium dioxide Non-flammable 1.81 0.403 cP (0 °C) 1569 SO3 sulfur trioxide 7446-11-9 Sulfuric anhydride Sulfan SO3 80.06 g/mol 1.92 g/cc, liquid 16.9 °C 45 °C hydrolyses −397.77 kJ/mol 256.77 J K−1 mol−1 Selenium trioxide Tellurium trioxide Non-flammable 1570 Sr(C2H3O2)2 strontium acetate 543-94-2 1571 Sr(NO3)2 strontium nitrate 10042-76-9 Sr(NO3)2 white granular solid 211.63 g/mol 2.986 g/cc (anhydrous) 2.20 g/cc (tetrahydrate) [1] 570 ºC (anhydrous) 100 °C, decomp (tetrahydrate) 645 ºC, decomp anhydrous: 71 g/100 ml (18 °C) 66 g/100 mL (20 °C) tetrahydrate: 60.4 g/100 mL (0 °C) 206 g/100 mL (100 °C) soluble in ammonia very slightly soluble in ethanol, acetone Strontium sulfate Strontium chloride Beryllium nitrate Magnesium nitrate Calcium nitrate Barium nitrate Non-flammable 1572 Sr(OH)2 strontium hydroxide 18480-07-4 Sr(OH)2 tetragonal (octahydrate) prismatic colourless crystals deliquescent 121.63 g/mol (anhydrous) 139.65 g/mol (monohydrate) 265.76 g/mol (octahydrate) 3.625 g/cc (anhydrous) 1.90 g/cc (octahydrate) 375 °C (anhydrous) 710 °C, decomp (anhydrous) 0.41 g/100 mL (0 °C) 1.77 g/100 mL (20 °C) 21.83 g/100 mL (100 °C) [1] insoluble in acetone soluble in acid, NH4Cl Strontium oxide Strontium peroxide Beryllium hydroxide Magnesium hydroxide Calcium hydroxide Barium hydroxide Non-flammable −2.19 1573 Sr3P2 strontium phosphide 12504-16-4 1574 SrAlO3 strontium aluminate 12004-37-4 1575 SrB2O4 strontium metaborate 13703-84-9 1576 SrB6 strontium boride 12046-54-7 strontium hexaboride SrB6 Cubic black crystalline powder 152.49 g/mol 3.39 g/cc, solid (15.0°C) 2235.0°C 1577 SrBr2 strontium bromide 10476-81-0 SrBr2 tetragonal[1] white crystalline powder 247.43 4.216 643°C strontium fluoride strontium chloride strontium iodide calcium bromide barium bromide 1578 SrBr2-6H2O strontium bromide hexahydrate 7789-53-9 1579 SrCl2 strontium chloride 10476-85-4 Strontium(II) chloride SrCl2 octahedral (six-coordinate) Deformed rutile structure White crystalline solid 158.53 g/mol (anhydrous) 266.62 g/mol (hexahydrate) 3.052 g/cc (anhydrous, monoclinic form) 2.672 g/cc (dihydrate) 1.930 g/cc (hexahydrate) 874 °C (anhydrous) 61 °C (hexahydrate) 1250 °C (anhydrous) 1.650 (anhydrous) 1.594 (dihydrate) 1.536 (hexahydrate) [1] anhydrous: 53.8 g/100 mL (20 °C) hexahydrate: 106 g/100 mL (0 °C) 206 g/100 mL (40 °C) ethanol: very slightly soluble acetone: very slightly soluble ammonia: insoluble Strontium fluoride Strontium bromide Strontium iodide Magnesium chloride Calcium chloride Barium chloride Non-flammable 1580 SrCO3 strontium carbonate 1633-05-2 Strontianite SrCO3 White or grey powder hygroscopic 147.63 g/mol 3.5 g/cc 1290 ºC decomp. 1.518 [1] 0.011 g/100 ml (18 ºC) Magnesium carbonate Calcium carbonate Barium carbonate Non-flammable 1581 SrCrO4 strontium chromate 7789-06-2 1582 SrF2 strontium fluoride 7783-48-4 Strontium difluoride Strontium(II) fluoride SrF2 Sr, 8, cubic F, 4, tetrahedral cubic crystal system, cF12 125.62 g/mol 4.24 g/cc 1477 °C 2460 °C 1.439 @0.58 µm 0.039 g/100 g Strontium chloride Strontium bromide Strontium iodide Beryllium fluoride Magnesium fluoride Calcium fluoride Barium fluoride Non-flammable 1583 SrH2 strontium hydride 13598-33-9 1584 SrI2 strontium iodide 10476-86-5 SrI2 (anhydrous) SrI2·6H2O (hexahydrate) Orthorhombic, oP24 Colorless to white crystalline plates 341.43 g/mol (anhydrous) 5.459 g/cm³ (anhydrous) 4.415g/cm³ (hexahydrate) 507-645°C [1] 1773 °C (decomp) 64.0 g/100 mL (20°C)[2] strontium fluoride strontium chloride strontium bromide calcium iodide barium iodide 1585 SrMoO4 strontium molybdate 13470-04-7 1586 SrNO strontium nitrite 13470-06-9 1587 SrO strontium oxide 1314-11-0 Strontia SrO Octahedral (Sr2+); octahedral (O2–) Halite (cubic), cF8 colorless cubic crystals 103.62 g/mol 4.70 g/cc 2531°C > 3000 °C (decomp) 44.3 J/molK 1.810 [2] reacts, forms Sr(OH)2 miscible with caustic potash slightly soluble in alcohol insoluble in acetone and ether -592.0 kJ·mol-1 57.2 J/molK Strontium sulfide Beryllium oxide Magnesium oxide Calcium oxide Barium oxide Non-flammable 1588 SrO2 strontium peroxide 1314-18-7 6 Tetragonal [1] white powder 119.619 g/mol 4.56 g/cc 215°C (decomposes) 1589 SrS strontium sulfide 1314-96-1 Strontium monosulfide C.I. 77847 SrS Octahedral (Sr2+); octahedral (S2–) Halite (cubic), cF8 Grey powder 119.68 g/mol 3.7 g/cc > 2000°C[2] slightly soluble Strontium oxide Magnesium sulfide Calcium sulfide Barium sulfide 1590 SrS2O6 strontium dithionate 13845-15-4 1591 SrSCN strontium thiocyanate 18807-10-8 1592 SrSe strontium selenide 1315-07-7 1593 SrSeO4 strontium selenate 7446-21-1 1594 SrSiO4 strontium silicate 12712-63-9 1595 SrSnO3 strontium stannate 12143-34-9 1596 SrSO3 strontium sulfite 13451-02-0 1597 SrTiO3 strontium titanate 12060-59-2 1598 SrWO4 strontium tungstate 13451-05-3 1599 SrZrO3 strontium zirconate 12036-39-4 1600 Ta2H tantalum hydride 12026-09-4 1601 Ta2O5 tantalum(V) oxide 1314-61-0 Ta2O5 white, odorless powder 441.893 g/mol 8.20 g/cc [1] 1872 °C insoluble insoluble in ethanol, most acid soluble in hot conc.HF 1602 TaAl3 tantalum(III) aluminide 12004-76-1 tantalum trialuminide TaAl3 gray refractory powder 261.893 g/mol 7.02 g/cm³, solid 1400°C insoluble[1] 1603 TaBr3 tantalum(III) bromide 13842-73-4 1604 TaBr4 tantalum(IV) bromide 13842-76-7 1605 TaBr5 tantalum(V) bromide 13451-11-1 tantalum pentabromide TaBr5 yellow crystalline 580.468 g/mol 4.99 g/cm³, solid 265°C 349°C 1606 TaC tantalum(IV) carbide 12070-06-3 tantalum (IV) carbide TaC cubic, cF8 black-gray odorless powder 192.959 g/mol 13.9 g/cc, solid 3880°C 5500°C insoluble 1607 TaCl3 tantalum(III) chloride 13569-67-0 1608 TaCl4 tantalum(IV) chloride 13569-72-7 1609 TaCl5 tantalum(V) chloride 7721-01-9 TaCl5 Monoclinic, mS72 yellow monoclinic crystals [1] 358.21 g/mol 216 °C 239.4 °C (decomp) reacts soluble in ethanol, ether, CCl4 -858.98 kJ/mol 221.75 J K−1 mol−1 Tantalum(V) fluoride Tantalum(V) bromide Tantalum(V) iodide Vanadium(IV) chloride Niobium(V) chloride Non-flammable 1610 TaF3 tantalum(III) fluoride 13814-17-0 1611 TaF5 tantalum(V) fluoride 7783-71-3 tantalum pentafluoride TaF5 white powder 275.95 g/mol 4.74 g/cc, solid 96.8 °C 229.5 °C 0 D decomposes nonflammable 1612 TaI4 tantalum(IV) iodide 14693-80-2 1613 TaI5 tantalum(V) iodide 14693-81-3 1614 TaN tantalum(III) nitride 12033-62-4 Tantalum mononitride TaN Hexagonal, hP6 black crystals 194.95 g/mol 13.7 g/cc, solid 3090 °C Vanadium nitride Niobium nitride Non-flammable 1615 TaO tantalum(II) oxide 12035-90-4 1616 TaO2 tantalum(IV) oxide 12036-14-5 1617 TaS tantalum(II) sulfide 41203-00-3 1618 TaS2 tantalum(IV) sulfide 12143-72-5 tantalum disulfide TaS2 hexagonal black crystals 245.08 g/mol 6.86 g/cm³, solid 3000°C 1619 TaSe2 tantalum(IV) selenide 12039-55-3 1620 TaSi2 tantalum(IV) silicide 12039-79-1 1621 TaTe2 tantalum(IV) telluride 12067-66-2 1622 Tb(CHO2)3 terbium(III) formate 3252-57-1 1623 Tb2O3 terbium(III) oxide 12036-41-8 terbium trioxide, terbia O3Tb2 Cubic, cI80 white crystals 365.85 g mol−1 2410 °C, 2683 K, 4370 °F 1624 Tb2S3 terbium(III) sulfide 12138-11-3 1625 Tb2Se3 terbium(III) selenide 12166-48-2 1626 TbBr3 terbium(III) bromide 14456-47-4 terbium tribromide TbBr3 white powder 398.637 g/mol 4.67 g/cm³, solid 828°C 1490°C soluble 1627 TbCl3 terbium(III) chloride 10042-88-3 terbium trichloride TbCl3 Tricapped trigonal prismatic (nine-coordinate) hexagonal (UCl3 type), hP8 white powder 265.2834 g/mol 4.35 g/cm³, solid 558°C 180-200°C (in HCl gas atmosphere) soluble 1628 TbF2 terbium(II) fluoride 107949-15-5 1629 TbF3 terbium(III) fluoride 13708-63-9 1630 TbF4 terbium(IV) fluoride 36781-15-4 1631 TbI3 terbium(III) iodide 13813-40-6 terbium triiodide TbI3 hexagonal hygroscopic crystals 539.638 g/mol 5.2 g/cm³, solid 957°C 1632 TbN terbium(III) nitride 12033-64-6 1633 TbO2 terbium(IV) oxide 12036-15-6 1634 TbSi2 terbium(IV) silicide 12039-80-4 1635 Tc2O7 technetium(VII) oxide 12165-21-8 Technetium heptoxide Tc2O7 yellow solid 119.5 °C 310.6 °C hydrolysis to HTcO4 1636 TcBr4 technetium(IV) bromide 74078-05-0 1637 TcCl4 technetium(IV) chloride 14215-13-5 Technetium tetrachloride, Technetium chloride TcCl4 Orthorhombic, oP40 239.718 g/mol 300°C[1] Technetium(VI) fluoride Manganese(II) chloride Rhenium(V) chloride Ruthenium(III) chloride 1638 TcCl6 technetium(VI) chloride 31227-43-7 1639 TcF5 technetium(V) fluoride 31052-14-9 1640 TcF6 technetium(VI) fluoride 13842-93-8 TcF6 cubic yellow crystals 212 g/mol 3 g/cm³, solid 37.4°C 55.3°C 1641 TcO2 technetium(IV) oxide 12036-16-7 1642 TcS2 technetium(IV) sulfide 34312-50-0 1643 TeBr2 tellurium dibromide 7789-54-0 TeBr2 green-brown crystals hygroscopic 287.41 g/mol 210°C 339°C tellurium dichloride selenium dibromide 1644 TeBr4 tellurium tetrabromide 10031-27-3 TeBr4 monoclinic yellow-orange crystals 447.22 g/mol 4.3 g/cm³, solid 388°C decomposes @420°C 1645 TeCl2 tellurium dichloride 10025-71-5 TeCl2 amorphous hygroscopic black solid 198.51 g/mol 6.9 g/cm³, solid 208°C 328°C reacts[1] 1646 TeCl4 tellurium tetrachloride 10026-07-0 Tellurium chloride [TeCl4]4 Distorted octahedral (Te) Monoclinic, mS80 hygroscopic pale yellow solid (if fused, maroon liquid) 1077.64 g/mol 3.26 g/cm³, solid 224 °C 380 °C 2.59 D (gas phase) Tellurium tetrafluoride Tellurium tetrabromide Tellurium tetraiodide Selenium tetrachloride Polonium tetrachloride 1647 TeF4 tellurium tetrafluoride 15192-26-4 TeF4 white crystalline solid 203.594 129 °C tellurium dioxide, tellurium tetrachloride, tellurium(IV) bromide, tellurium(IV) iodide sulfur tetrafluoride, selenium tetrafluoride 1648 TeF6 tellurium hexafluoride 7783-80-4 TeF6 octahedral (Oh) Orthorhombic, oP28 241.59 g/mol 0.0106 g/cm³ −38 °C −39 °C 1649 TeI tellurium monoiodide 12600-42-9 1650 TeI4 tellurium tetraiodide 7790-48-9 tellurium(IV) iodide TeI4 orthorhombic black crystals 635.22 g/mol 5.05 g/cm³, solid 280°C 1651 TeO tellurium monoxide 13451-17-7 1652 TeO2 tellurium dioxide 7446-07-3 Tellurium(IV) oxide TeO2 white solid 159.60 g/mol 5.670 g/cc (tetragonal) 6.04 g/cc (orthorhombic) [1] 733 °C 1245 °C negligible soluble in acid and alkali Sulfur dioxide Selenium dioxide Non-flammable 1653 TeO3 tellurium trioxide 13451-18-8 tellurium(VI) oxide TeO3 yellow-orange crystals (α-TeO3) 175.6 g/mol 5.07 g/cm³, solid 430°C 1654 TeS2 tellurium disulfide 7446-07-3 1655 Th(CO3)2 thorium(II) carbonate 19024-62-5 1656 Th(NO3)4 thorium(IV) nitrate 13823-29-5 1657 Th2S3 thorium(III) sulfide 12286-35-0 1658 ThBr4 thorium(IV) bromide 13453-49-1 1659 ThC thorium(IV) carbide 12012-16-7 ThC cubic crystals 244.049 g/mol 10.6 g/cm³, solid 2500°C 1660 ThCl4 thorium(IV) chloride 10026-08-1 ThCl4 tetragonal grey-white needles hygroscopic 373.849 g/mol 4.59 g/cm³, solid 770°C 921°C 1661 ThF3 thorium(III) fluoride 13842-84-7 1662 ThF4 thorium(IV) fluoride 13709-59-6 ThF4 Monoclinic, mS60 hygroscopic white crystals 308.03 g/mol 6.1 g/cc 1110 °C 1680 °C Thorium(IV) chloride Thorium(IV) bromide Thorium(IV) iodide Protactinium(IV) fluoride Uranium(IV) fluoride Neptunium(IV) fluoride Plutonium(IV) fluoride Non-flammable 1663 ThH2 thorium(II) hydride 16689-88-6 1664 ThI2 thorium(II) iodide 13779-95-8 1665 ThI3 thorium(III) iodide 13779-96-9 1666 ThI4 thorium(IV) iodide 7790-49-0 thorium tetraiodide ThI4 monoclinic white-yellow crystals 739.656 g/mol 6 g/cm³, solid 570°C 837°C 1667 ThN thorium(III) nitride 12033-65-7 1668 ThO2 thorium(IV) oxide 1314-20-1 thoria thorium anhydride ThO2 Tetrahedral (O2–); cubic (ThIV) Fluorite (cubic), cF12 white odorless solid 264.04 g/mol 10.00 g/cc, solid 3390 °C 4400°C 2.200 (thorianite) insoluble insoluble in alkali slightly soluble in acid −1226(4) kJ/mol 65.2(2) J K−1 mol−1 Hafnium(IV) oxide Cerium(IV) oxide Non-flammable 1669 ThS thorium(II) sulfide 12039-06-4 1670 ThS2 thorium(IV) sulfide 12138-07-7 ThS2 dark brown crystals 296.17 g/mol 7.3 g/cm³, solid 1905°C 1671 ThSe2 thorium(IV) selenide 60763-24-8 1672 ThSi2 thorium(IV) silicide 12067-54-8 1673 ThSiO4 thorium(IV) orthosilicate 14553-44-7 thorite ThSiO4 tetragonal cubic brown crystals 324.122 g/mol 6.7 g/cm³, solid 1674 Ti(SO4)2 titanium(IV) sulfide 18130-44-4 1675 Ti2(SO4)3 titanium(III) sulfide 10343-61-0 1676 Ti2O3 titanium(III) oxide 1344-54-3 titanium sesquioxide Ti2O3 violet black, odorless powder 143.76 g/mol 4.49 g/cc 2130°C (decomposes) insoluble 1677 Ti2S3 titanium(III) sulfide 12039-16-6 1678 Ti3O5 titanium(III,IV) oxide 12065-65-5 1679 TiBr2 titanium(II) bromide 13783-04-5 1680 TiBr3 titanium(III) bromide 13135-31-4 1681 TiBr4 titanium(IV) bromide 7789-68-6 Titanium(IV) bromide TiBr4 Tetrahedral cubic, Pa3, Z = 8 brown crystals hygroscopic 367.48 g/mol 3.25 g/cc 39 °C 230 °C 0 D decomposition TiCl4 TiI4 VCl4 nonflammable 1682 TiC titanium(IV) carbide 12070-08-5 TiC Octahedral Cubic, cF8 black powder 59.89 g/mol 4.93 g/cc 3160 °C, 3433 K, 5720 °F 4820 °C, 5093 K, 8708 °F insoluble in water 1683 TiC8H20O4 titanium(IV) ethoxide 3087-36-3 1684 TiCl2 titanium(II) chloride 10049-06-6 Cl2Ti black hexagonal crystals 118.77 g mol−1 3.13 g/cc 1035°C 1500°C[1] 1685 TiCl3 titanium(III) chloride 7705-07-9 titanium trichloride titanous chloride TiCl3 red-violet crystals hygroscopic 154.225 g/mol 2.64 g/cc 425 °C (decomposes) 960 °C 1.4856 very soluble soluble in acetone, acetonitrile, certain amines; insoluble in ether and hydrocarbons Titanium(III) fluoride Titanium(III) bromide Titanium(III) iodide Scandium(III) chloride Chromium(III) chloride 1686 TiCl4 titanium(IV) chloride 7550-45-0 TiCl4 colourless fuming liquid 189.71 g/mol 1.726 g/cc -24.8 °C 136.4 °C zero reacts to form TiO2 and HCl soluble in ethanol -804.16 kJ/mol 221.93 J K−1 mol−1 Titanium(IV) fluoride Titanium(IV) bromide Titanium(IV) iodide Zirconium(IV) chloride Hafnium(IV) chloride Non-flammable 8.27 x 10-4 Pa s 1687 TiF2 titanium(II) fluoride 13814-20-5 1688 TiF3 titanium(III) fluoride 13470-08-1 titanium trifluoride TiF3 Rhombohedral, hR24 violet to purple-red powder 104.88 g/mol 3.4 g/cc 1200°C 1400°C sparingly soluble 1689 TiF4 titanium(IV) fluoride 7783-63-3 titanium tetrafluoride TiF4 white powder hygroscopic 123.861 g/mol 2.798 g/cc 377 °C 1690 TiH2 titanium(II) hydride 7704-98-5 Titanium(II) hydride, titanium dihydride TiH2 Fluorite (cubic), cF12 dark grey powder 49.883 g/mol 3.75 g/cc 450°C, decomposes insoluble 342 °C 1691 TiI2 titanium(II) iodide 13783-07-8 1692 TiI3 titanium(III) iodide 13783-08-9 1693 TiI4 titanium(IV) iodide 7720-83-4 Titanium tetraiodide TiI4 tetrahedral cubic (a = 12.21 Ã…) red-brown crystals 555.485 g/mol 4.3 g/cc 150 °C 377 °C 0 D hydrolysis 1694 TiN titanium(III) nitride 25583-20-4 TiN Octahedral Cubic, cF8 Coating of golden color 61.874 g/mol 5.40 g/cc 2930 °C None 1695 TiO titanium(II) oxide 12137-20-1 Titanium monoxide TiO cubic bronze crystals 63.866 g/mol 4.95 g/cc 1750 °C Non-flammable 1696 TiO2 titanium(IV) oxide 13463-67-7 Titania Rutile Anatase Brookite TiO2 White solid 79.866 g/mol 4.23 g/cc 1843 °C 2972 °C 2.488 (anatase) 2.583 (brooklite) 2.609 (rutile) insoluble Zirconium dioxide Hafnium dioxide Non-flammable 1697 TiP titanium(III) phosphide 12037-65-9 titanium monophosphide TiP hexagonal gray crystals 78.841 g/mol 4.08 g/cm³, solid [1] >1400°C [1] 1698 TiS titanium(II) sulfide 12039-07-5 titanium monosulfide TiS Hexagonal (NiAs), hP4 brown hexagonal crystals 79.933 g/mol 3.85 g/cm³, solid 1780°C soluble in concentrated acids[1] 1699 TiS2 titanium(IV) sulfide 12039-13-3 1700 TiSi2 titanium(IV) silicide 12039-83-7 Titanium silicide TiSi2 black orthorhombic crystals 104.038 g/mol 4.02 g/cc 1470°C insoluble soluble in HF Zirconium disilicide Hafnium disilicide 1701 Tl(NO3)3 thallium(III) nitrate 13746-98-0 1702 Tl2Br4 thallium(I,III) bromide 13453-28-6 1703 Tl2C2O4 thallium(I) oxalate 30737-24-7 1704 Tl2CO3 thallium(I) carbonate 6533-73-9 thallium monocarbonate Tl2CO3 white odorless crystals 468.776 g/mol 7.11 g/cc, solid 272 °C 27.2 g/100 mL (100 °C) 1705 Tl2MoO4 thallium(I) molybdate 34128-09-1 1706 Tl2O thallium(I) oxide 1314-12-1 Thallous oxide Tl2O Rhombohedral, hR18[1] black orthorhombic crystals hygroscopic 424.07 g/mol 10.45 g/cc 596 °C 1080 °C (decomp) soluble soluble in alcohol and acid Thallium(III) oxide 1707 Tl2O3 thallium(III) oxide 1314-32-5 thallium trioxide Tl2O3 Cubic, cI80[1] brown-black odorless powder 456.7648 g/mol 10.4 g/cm³, solid (16°C) [1] 717°C 1080°C insoluble 1708 Tl2S thallium(I) sulfide 1314-97-2 thallous sulfide, thallous sulphide Tl2S Trigonal, hR81 black crystalline solid 440.833 g/mol 8.390 g/cc 448 °C 1367 °C 1709 Tl2Se thallium(I) selenide 15572-25-5 1710 Tl2SeO4 thallium(I) selenate 7446-22-2 1711 Tl2SO4 thallium(I) sulfate 7446-18-6 Thallous sulfate Tl2SO4 504.83 g/mol 632 °C Soluble 1712 Tl2Te thallium(I) telluride 12040-13-0 thallous telluride, dithallium telluride Tl2Te 415 °C[1] 1713 TlBr thallium(I) bromide 7789-40-4 Thallium monobromide TlBr yellow-white crystalline solid 284.29 g/mol 7.557 g/cc 480 °C 815 °C very slightly soluble Thallium(I) fluoride, Thallium(I) chloride, Thallium(I) iodide Indium(I) bromide, Lead(II) bromide Bismuth bromide 1714 TlC2H3O2 thallium(I) acetate 563-68-8 1715 TlC2H5O thallium(I) ethoxide 20398-06-5 1716 TlCHO2 thallium(I) formate 992-98-3 1717 TlCl thallium(I) chloride 7791-12-0 Thallous chloride TlCl white, odorless crystalline solid 239.82 g/mol 7.004 g/cc (20 °C) 430 °C 720 °C (decomp) 0.0029 g/100 mL (15.6 °C) 2.4 g/100 mL (100 °C) [1] insoluble in alcohol, acetone, NH4OH Thallium(I) fluoride Thallium(I) bromide Thallium(I) iodide Thallium(III) chloride Silver(I) chloride Lead(II) chloride 1718 TlCl2 thallium(II) chloride 15230-71-4 1719 TlCl3 thallium(III) chloride 13453-32-2 1720 TlClO3 thallium(I) chlorate 13453-30-0 1721 TlClO4 thallium(I) perchlorate 13453-40-2 1722 TlCN thallium(I) cyanide 13453-34-4 1723 TlF thallium(I) fluoride 7789-27-7 Thallium monofluoride, Thallous fluoride TlF Orthorhombic, oP8 white orthorhombic crystals 223.381 g/mol 8.36 g/cc 327 °C 655 °C (decomp) 78.6 g/100 mL (15 °C)[1] soluble in alcohol Thallium(I) chloride Thallium(I) bromide Thallium(I) iodide Gallium(III) fluoride Indium(III) fluoride Thallium(III) fluoride non-flammable 1724 TlF3 thallium(III) fluoride 7783-57-5 1725 TlI thallium(I) iodide 7790-30-9 Thallium monoiodide Thallous iodide TlI yellow crystals red crystals above 170 °C 331.29 g/mol 7.29 g/cc, solid 442 °C 823 °C insoluble Thallium(I) fluoride Thallium(I) chloride Thallium(I) bromide Gallium(I) iodide Indium(I) iodide Non-flammable 1726 TlI3 thallium(I) triiodide 60488-29-1 1727 TlIO3 thallium(III) iodate 14767-09-0 1728 TlNO3 thallium(I) nitrate 10102-45-1 1729 TlOH thallium(I) hydroxide 12026-06-1 thallous hydroxide TlOH yellow needles 221.390 g/mol 7.44 g/cc decomposes at 139°C 34.3 g/100g at 18°C -238.9 kJ·mol-1 88.0 J/molK 1730 TlPF6 thallium(I) hexafluorophosphate 60969-19-9 1731 Tm(NbO3)2 thulium(II) niobate 97086-52-7 1732 Tm2O3 thulium(III) oxide 12036-44-1 Thulium oxide Tm2O3 Cubic, cI80 greenish-white cubic crystals 385.866 g/mol 8.6 g/cc 2341°C 3945°C[1] slightly soluble in acids 1733 Tm2S3 thulium(III) sulfide 12166-30-2 1734 TmBr2 thulium(II) bromide 64171-97-7 1735 TmBr3 thulium(III) bromide 14456-51-0 1736 TmCl2 thulium(II) chloride 22852-11-5 1737 TmCl2-7H2O thulium(II) chloride heptahydrate 13778-39-7 1738 TmCl3 thulium(III) chloride 13537-18-3 Thulium chloride, thulium trichloride TmCl3 6[1] Monoclinic, mS16 yellow crystals 275.292 g/mol 3.98 g/cm³ 824°C 1490°C[1] heptahydrate: very soluble heptahydrate: very soluble in ethanol[2] 966.6 kJ/mol[3] Thulium(III) oxide Erbium(III) chloride Ytterbium(III) chloride Thulium(II) chloride 1739 TmF3 thulium(III) fluoride 13760-79-7 1740 TmI2 thulium(II) iodide 60864-26-8 1741 TmI3 thulium(III) iodide 13813-43-9 1742 U2O5 uranium(V) oxide 12065-66-6 1743 U2S3 uranium(II) sulfide 12138-13-5 1744 U3N2 uranium(II) nitride 12033-85-1 1745 U3O8 uranium(V,VI) oxide 1344-59-8 1746 U4O9 uranium(IV,V) oxide 12037-15-9 1747 UBr3 uranium(III) bromide 13470-19-4 1748 UBr4 uranium(IV) bromide 13470-20-7 1749 UBr5 uranium(V) bromide 13775-16-1 1750 UC uranium(IV) carbide 12070-09-6 UC cubic, cF8 250.04 g/mol 11.3 g/cc 2790 °C 1751 UC2 uranium(VI) carbide 12071-33-9 1752 UCl3 uranium(III) chloride 10025-93-1 Uranium chloride, Uranium trichloride Cl3U Green crystalline solid 344.39 g mol−1 5.500 g/cm³, liquid 837 °C, 1110 K, 1539 °F 1657 °C, 1930 K, 3015 °F Soluble Non-flammable Non-flammable 1753 UCl4 uranium(IV) chloride 10026-10-5 Uranium (IV) Chloride UCl4 Octahedral 379.84 g/mol 4.87 g/cc 590°C 791°C 1754 UCl5 uranium(V) chloride 13470-21-8 1755 UCl6 uranium(VI) chloride 13763-23-0 1756 UF3 uranium(III) fluoride 13775-06-9 1757 UF4 uranium(IV) fluoride 10049-14-6 UF4 Monoclinic, mS60 Green crystalline solid. 314.02 g/mol 6.70 g/cc, solid. 1036 °C 1417 °C Insoluble. Uranium(IV) chloride Uranium(IV) bromide Uranium(IV) iodide Thorium(IV) fluoride Protactinium(IV) fluoride Neptunium(IV) fluoride Plutonium(IV) fluoride Non-flammable 1758 UF5 uranium(V) fluoride 13775-07-0 1759 UF6 uranium(VI) fluoride 7783-81-5 UF6 octahedral (Oh) Orthorhombic, oP28 colorless solid 352.02 g/mol 5.09 g/cc, solid 64.8 °C (triple point) 56.5 °C (sublimes) reacts soluble in chloroform, CCl4, liquid chlorine and bromine dissolves in nitrobenzene −2317 kJ/mol 228 J K−1 mol−1 Uranium hexachloride Neptunium hexafluoride Plutonium hexafluoride Non-flammable 1760 UH3 uranium(III) hydride 13598-56-6 1761 UI3 uranium(III) iodide 13775-18-3 1762 UI4 uranium(IV) iodide 13470-22-9 1763 UN uranium(III) nitride 25658-43-9 1764 UO uranium(II) oxide 13598-56-6 1765 UO2 uranium(IV) oxide 1344-57-6 Urania Uranous oxide UO2 Tetrahedral (O2–); cubic (UIV) Fluorite (cubic), cF12 black powder 270.03 g/mol 10.97 g/cc 2865 °C (3140 K) insoluble Non-flammable 1766 UO3 uranium(VI) oxide 1344-58-7 Uranyl oxide Uranic oxide UO3 see text 286.29 g/mol 5.5–8.7 g/cc ~ 200–650 °C decomp. Partially soluble Non-flammable 1767 US uranium(II) sulfide 12039-11-1 1768 USe3 uranium(VI) selenide 12138-23-7 1769 UTe2 uranium(IV) telluride 12138-37-3 1770 UTe3 uranium(VI) telluride 12040-18-5 1771 V2(SO4)3 vanadium(III) sulfate 13701-70-7 Vanadium trisulfate V2(SO4)3 yellow powder 390.074 g/mol 400°C, decomposes slightly soluble 1772 V2O3 vanadium(III) oxide 1314-34-7 Vanadium sesquioxide, Vanadic oxide V2O3 Trigonal (karelianite), hR30 Black powder 149.881 g/mol 4.87 g/cc 1940 °C 1773 V2O5 vanadium(V) oxide 1314-62-1 Vanadium pentoxide Vanadic anhydride Divanadium pentoxide V2O5 Orange-yellow solid 181.88 g/mol 3.357 g/cc 690 °C (963 K) 1750 °C decomp. 0.8 g/100 mL (20 °C) Vanadium oxytrichloride Niobium(V) oxide Tantalum(V) oxide Non-flammable 1774 V2S3 vanadium(III) sulfide 1315-03-3 1775 V3Si vanadium(II) silicide 12039-76-8 1776 VBr2 vanadium(II) bromide 14890-41-6 1777 VBr3 vanadium(III) bromide 13470-26-3 Vanadium tribromide VBr3 octahedral Gray-brown solid 290.654 g/mol 4 g/cc, solid soluble soluble in THF (forms adduct) Vanadium(III) chloride Titanium(III) chloride 1778 VBr4 vanadium(IV) bromide 13595-30-7 1779 VC vanadium(IV) carbide 12070-10-9 Vanadium Carbon VC cubic, cF8 refractory black cubic crystals 62.953 g/mol 5.77 g/cc 2810 °C insoluble 1780 VCl2 vanadium(II) chloride 10580-52-6 Vanadous chloride VCl2 octahedral CdI2 pale green solid 121.847 g/mol 3.230 g/cc 1027 °C, 1300 K, 1881 °F 1506 °C, 1779 K, 2743 °F soluble vanadium(II) fluoride, vanadium dibromide titanium dichloride, chromium(II) chloride 1781 VCl3 vanadium(III) chloride 7718-98-1 VCl3 Trigonal, hR24 violet crystals paramagnetic 157.30 g/mol 3.0 g/cc (20 °C) > 300 °C (decomp) soluble vanadium trifluoride, vanadium(III) sulfide, vanadium tribromide titanium trichloride, chromium(III) chloride, niobium trichloride, tantalum trichloride Non-flammable 1782 VCl4 vanadium(IV) chloride 7632-51-1 VCl4 tetrahedral bright red liquid, moisture sensitive 192.75 g/mol 1.816 g/cc, liquid −28 °C 154 °C 7.9 Pa 0 D decomposes vanadium tetrafluoride, vanadium disulfide, vanadium tetrabromide titanium tetrachloride, chromium tetrachloride, niobium tetrachloride, tantalum tetrachloride 1783 VF2 vanadium(II) fluoride 13842-80-3 1784 VF3 vanadium(III) fluoride 10049-12-4 Vanadium fluoride, Vanadium trifluoride VF3 Rhombohedral, hR24 gray-green powder 107.9367 g/mol 3.363 g/cc, solid 1406 °C insoluble Vanadium(III) chloride Vanadium(III) oxide Vanadium(III) nitride Vanadium(IV) fluoride 1785 VF4 vanadium(IV) fluoride 10049-16-8 vanadium tetrafluoride VF4 Monoclinic, mP10 lime green powder 126.9351 g/mol 2.975 g/cm³, solid 325 °C decomposes decomposes 1786 VF5 vanadium(V) fluoride 7783-72-4 1787 VH vanadium(I) hydride 13966-93-3 1788 VI2 vanadium(II) iodide 15513-84-5 1789 VI3 vanadium(III) iodide 15513-94-7 Vanadium triiodide VI3 octahedral black solid 431.6549 g/mol 5.14 g/cc, solid soluble Vanadium(III) bromide Titanium(III) iodide 1790 VI4 vanadium(IV) iodide 15831-18-2 1791 VN vanadium(III) nitride 24646-85-3 Vanadium(III) nitride VN cubic, cF8 black powder 64.9482 g/mol 6.13 g/cc 2050 °C vanadium(III) oxide titanium mononitride, chromium(III) nitride, niobium(III) nitride Non-flammable 1792 VO vanadium(II) oxide 12035-98-2 Vanadium oxide VO Octahedral (V2+) Octahedral (O2−) Halite (cubic), cF8 grey solid with metallic lustre 66.9409 g/mol 5.758 g/cc 1789 °C 2627 °C 1.5763 Vanadium monosulfide Vanadium monoselenide Vanadium monotelluride Niobium(II) oxide Tantalum(II) oxide Non-flammable 1793 VO2 vanadium(IV) oxide 12036-21-4 Vanadium dioxide Vanadium tetroxide VO2 Distorted rutile (<70 ºC, monoclinic) Rutile (>70 ºC, tetragonal) black powder 82.94 g/mol 4.571 g/cc (monoclinic) 4.653 g/cc (tetragonal) 1967 °C Vanadium disulfide Vanadium diselenide Vanadium ditelluride Niobium(IV) oxide Tantalum(IV) oxide Non-flammable 1794 VOCl3 vanadium(V) oxytrichloride 7727-18-6 Vanadyl chloride Vanadyl trichloride VOCl3 Yellow to brown liquid 173.30 g/mol 1.826 g/cc, liquid -76.5 °C, 197 K, -106 °F 126.7 °C, 400 K, 260 °F 8.1 Pa (20 °C) Decomposes 1795 VOF3 vanadium(V) oxytrifluoride 13709-31-4 Vanadium oxyfluoride, trifluorooxovanadium F3OV white solid 123.9599 g/mol 2.4590 g/cc 300 °C 480 °C insoluble 1796 VOSO4 vanadyl sulfate 27774-13-6 Basic vanadium(IV) sulfate Vanadium(IV) oxide sulfate Vanadium(IV) oxysulfate VOSO4 Blue crystalline solid 163.00 g/mol 105 °C decomp. Soluble Vanadyl chloride Vanadyl nitrate Vanadium(III) sulfate Non-flammble 1797 VS2 vanadium(IV) sulfide 12166-28-8 1798 VSe2 vanadium(IV) selenide 12299-51-3 1799 VSi2 vanadium(IV) silicide 12039-87-1 1800 VTe2 vanadium(IV) telluride 35515-91-4 1801 WBr2 tungsten(II) bromide 13470-10-5 1802 WBr3 tungsten(III) bromide 15163-24-3 1803 WBr4 tungsten(IV) bromide 14055-81-3 1804 WBr5 tungsten(V) bromide 13470-11-6 tungsten pentabromide WBr5 brown-black crystals hygroscopic 583.36 g/mol 286°C 333°C 1805 WBr6 tungsten(VI) bromide 13701-86-5 1806 WC tungsten(IV) carbide 12070-12-1 WC Hexagonal, hP2, SpaceGroup = P-6m2, No. 187 grey-black solid 195.86 g·mol-1 15.8 g·cm-3, solid 2870 °C, 5198 °F (3143 K) 6000°C, 10832 °F (6273 K) Insoluble. Tungsten boride Tungsten nitride Molybdenum carbide Titanium carbide Silicon carbide 1807 WCl2 tungsten(II) chloride 13470-12-7 1808 WCl3 tungsten(III) chloride 20193-56-0 1809 WCl4 tungsten(IV) chloride 13470-13-8 1810 WCl5 tungsten(V) chloride 13470-14-9 tungsten pentachloride WCl5 black crystals hygroscopic 361.1 g/mol , solid 248 °C 275.6 °C 1811 WCl6 tungsten(VI) chloride 13283-01-7 WCl6 octahedral α:rhombohedral, β: hexagonal dark blue crystals, moisture sensitive 396.61 g/mol 3.52 g/cc 275 °C 346.7 °C 0 D hydrolyzes Tungsten hexafluoride Tungsten hexabromide Molybdenum(V) chloride Chromyl chloride 1812 WF4 tungsten(IV) fluoride 13766-47-7 1813 WF5 tungsten(V) fluoride 19357-83-6 1814 WF6 tungsten(VI) fluoride 7783-82-6 WF6 Colorless gas 297.83 g/mol 13.1 g/L, gas 2.3°C (275.45 K) 17.1°C (290.25 K) zero Hydrolyzes Tungsten hexachloride Tungsten hexabromide Chromium(V) fluoride Molybdenum(VI) fluoride Non-flammable 1815 WI2 tungsten(II) iodide 13470-17-2 1816 WI3 tungsten(III) iodide 15513-69-6 1817 WI4 tungsten(IV) iodide 14055-84-6 1818 WO2 tungsten(IV) oxide 12036-22-5 Tungsten dioxide WO2 Distorted rutile, (monoclinic), mP12, Space group P21/c, No 14 bronze solid 215.84 g/mol 10.8 g/cc 1700 °C decomp. insoluble Tungsten disulfide Chromium(IV) oxide Molybdenum(IV) oxide Non-flammable 1819 WO2Br2 tungsten(VI) dioxydibromide 13520-75-7 1820 WO2Cl2 tungsten(VI) dioxydichloride 13520-76-8 tungsten(VI) dioxydichloride WO2Cl2 orthorhombic yellow crystals 286.75 g/mol 4.67 g/cc, solid 265 °C, 538 K, 509 °F sublimes > 350 °C in vacuo decomposes 1821 WO2I2 tungsten(VI) dioxydiiodide 14447-89-3 1822 WO3 tungsten(VI) oxide 1314-35-8 Tungstic anhydride Tungsten(VI) oxide Tungstic oxide WO3 Octahedral (WVI) Trigonal planar (O2−) Monoclinic, mP32, Space group P121/c1, No 14 Yellow powder 231.84 g/mol 7.16 g/cc 1473 °C ~1700 °C insoluble Tungsten trisulfide Chromium trioxide Molybdenum trioxide Non-flammable 1823 WOBr3 tungsten(V) oxytribromide 20213-56-3 1824 WOBr4 tungsten(VI) oxytetrabromide 13520-77-9 WOBr4 tetragonal red crystals 519.46 g/mol 5.5 g/cm³, solid 277°C 327°C reacts 1825 WOCl3 tungsten(V) oxytrichloride 14249-98-0 1826 WOCl4 tungsten(VI) oxytetrachloride 13520-78-0 WOCl4 red crystals 341.65 g/mol 11.92 g/cm³, solid 211 °C 227.55 °C reacts 1827 WOF4 tungsten(VI) oxytetrafluoride 13520-79-1 WOF4 monoclinic white crystals 275.83 g/mol 5.07 g/cm³, solid 1006°C 1086°C reacts 1828 WS2 tungsten(IV) sulfide 12138-09-9 Tungsten(IV) sulfide Tungstenite WS2 Trigonal prismatic (WIV) Pyramidal (S2−) Molybdenite blue-grey powder 247.98 g/mol 7.5 g/cc, solid 1250 °C decomp. Tungsten(IV) oxide Molybdenum disulfide 1829 WS3 tungsten(VI) sulfide 12125-19-8 1830 WSe2 tungsten(IV) selenide 12067-46-8 1831 WSi2 tungsten(IV) silicide 12039-88-2 WSi2 blue-gray tetragonal crystals 240.01 g/mol 9.3 g/cc 2160°C insoluble Tungsten carbide Tungsten nitride Molybdenum disilicide Non-flammable 1832 WTe2 tungsten(IV) telluride 12067-76-4 tungsten ditelluride WTe2 orthorhombic, oP12 gray crystals 439.04 g/mol 9.43 g/cc, solid 1020°C 1833 XeF xenon monofluoride 16757-14-5 1834 XeF2 xenon difluoride 13709-36-9 XeF2 parallel linear XeF2 units White solid 169.30 g/mol 4.32 g/cc, solid 114 °C 0 D Decomposes Krypton difluoride 1835 XeF4 xenon tetrafluoride 13709-61-0 XeF4 D4h White solid 207.2836 g mol−1 4.040 g cm−3, solid 117 °C (390 K)[1] 0 D −284 kJ/mol[1] ? °C 1836 XeF6 xenon hexafluoride 13693-09-9 1837 XeO2F2 xenon dioxydifluoride 13875-06-4 1838 XeO3 xenon trioxide 13776-58-4 XeO3 colourless crystalline solid 179.288 g/mol 4.55 g/cc, solid 25 °C Violent Decomposition Soluble (with reaction) 402 kJ/mol 1839 XeO4 xenon tetroxide 12340-14-6 XeO4 Yellow solid below −36°C 195.29 g mol−1 ? g cm−3, solid −35.9 °C 0 °C[2] 0 D +153.5 kcal mol−1 [3] ? J.K−1.mol−1 1840 XeOF4 xenon oxytetrafluoride 13774-85-1 XeOF4 colorless liquid 223.23 g/mol 3.17 g/cc, liquid -46.2°C Reacts with water 1841 Y(CF3SO3)3 yttrium(III) trifluoromethanesulfonate 52093-30-8 1842 Y(CHO2)3 yttrium(III) formate 15331-71-2 1843 Y2O3 yttrium(III) oxide 1314-36-9 Yttria, diyttrium trioxide Y2O3 Octahedral Cubic (bixbyite), cI80[1] White solid. Phase behaviour Solid, liquid, gas 225.81 g/mol 5.010 g/cm³, solid 2690 °C 4300 °C UV, IR, NMR, MS insoluble Scandium(III) oxide, Lanthanum(III) oxide 1844 Y2S3 yttrium(III) sulfide 12039-19-9 Yttrium sulfide Y2S3 cubic yellow cubic crystals 274.010 g/mol 3.87 g/cc 1925°C 1845 YAs yttrium(III) arsenide 12255-48-0 Yttrium arsenide YAs cubic, cF8 cubic crystals 163.828 g/mol 5.59 g/cc 1846 Yb2O3 ytterbium(III) oxide 1314-37-0 Ytterbia diytterbium trioxide. Yb2O3 Octahedral Cubic White solid. 394.08 g/mol 9.17 g/cc, solid. 2355°C 4070°C Insoluble Ytterbium(III) sulfide Thulium(III) oxide Lutetium(III) oxide Non-flammable. 1847 Yb2S3 ytterbium(III) sulfide 12039-20-2 1848 Yb2Se3 ytterbium(III) selenide 12166-52-8 1849 YB6 yttrium(III) boride 12008-32-1 1850 YbBr2 ytterbium(II) bromide 25502-05-0 1851 YbBr3 ytterbium(III) bromide 13759-89-2 ytterbium tribromide YbBr3 Trigonal, hR24 white crystalline 412.77 g/mol 677 °C [1] 1800 °C [1] 1852 YbCl2 ytterbium(II) chloride 13874-77-6 ytterbium dichloride YbCl2 Orthorhombic, oP24 green crystals 243.95 g/mol 5.27 g/cm³, solid 721°C reacts[1] 1853 YbCl3 ytterbium(III) chloride 10361-91-8 YbCl3 Monoclinic, mS16 White powder Phase behaviour Solid, liquid, gas 279.40 g/mol 4.06 g/cc (solid) 703 °C [1] 1900 °C [1] UV, IR, NMR, MS 0.17 g/ml (25 °C) 1854 YbCl3-6H2O ytterbium(III) chloride hexahydrate 19423-87-1 1855 YbF2 ytterbium(II) fluoride 15192-18-4 1856 YbF3 ytterbium(III) fluoride 13760-80-0 Ytterbium trifluoride YbF3 Orthorhombic, oP16, SpaceGroup = Pnma, No. 62 white crystals 230.04 g/mol 8.2 g/cc 1052 °C [2] 2380 °C [2] insoluble 1857 YbI2 ytterbium(II) iodide 19357-86-9 1858 YbI3 ytterbium(III) iodide 13813-44-0 1859 YBr3 yttrium(III) bromide 13469-98-2 Yttrium tribromide YBr3 Trigonal, hR24 colorless hygroscopic crystals 328.618 g/mol 904°C 83.3 g/100 mL at 30°C 1860 YbSe ytterbium(II) selenide 12039-54-2 1861 YbSi5 ytterbium(V) silicide 12039-89-3 1862 YbTe ytterbium(II) telluride 12125-58-5 1863 YC2 yttrium(II) carbide 12071-35-1 1864 YCl3 yttrium(III) chloride 10361-92-9 YCl3 Monoclinic, mS16 white solid 195.26 g/mol 2.67 g/cc 721 °C 1507 °C[1] 82 g/100 mL 60.1 g/100 mL ethanol (15°C) 60.6 g/100 mL pyridine (15°C)[2] Yttrium(III) fluoride Yttrium(III) bromide Yttrium(III) iodide Scandium(III) chloride Lanthanum(III) chloride Actinium(III) chloride Non-flammable 1865 YF3 yttrium(III) fluoride 13709-49-4 yttrium trifluoride YF3 Orthorhombic, oP16, SpaceGroup = Pnma, No. 62 white powder 145.9 g/mol 4.01 g/cc 1387°C 2230 °C 1.51 (500 nm) insoluble Yttrium(III) chloride Yttrium(III) bromide Yttrium(III) iodide Scandium(III) fluoride Lanthanum(III) fluoride Non-flammable 1866 YH2 yttrium(II) hydride 13598-35-1 1867 YH3 yttrium(III) hydride 13598-57-7 1868 YI3 yttrium(III) iodide 13470-38-7 1869 YN yttrium(III) nitride 25764-13-0 1870 YP yttrium(III) phosphide 12294-01-8 1871 YSb yttrium(III) antimonide 12186-97-9 yttrium antimonide YSb cubic, cF8 cubic crystals 210.666 g/mol 5.97 g/cc 2310°C 1872 YVO4 yttrium(III) vanadate 13566-12-6 1873 Zn(AsO2)2 zinc arsenite 10326-24-6 1874 Zn(AsO3)2 zinc arsenide 12006-40-5 1875 Zn(C18H35O2)2 zinc stearate 557-05-1 zinc distearate C36H70O4Zn soft, white powder 632.35 g mol−1 1.095 g/cm³, solid 120-130 °C decomposes insoluble 420 °C 277 °C 1876 Zn(C2H3O2)2 zinc acetate 557-34-6 Acetic acid, zinc salt Zinc(II) salt Dicarbomethoxyzinc Zinc diacetate C4H10O6Zn (dihydrate) octahedral (dihydrate) White solid (all forms) 219.50 g/mol (dihydrate) 183.48 g/mol (anhydrous) 1.735 g/cc (dihydrate) Decomposes 237 °C (dihydrate loses water at 100 °C) decomp. 43 g/100 mL (20 °C, dihydrate) soluble in alcohol Zinc chloride Copper(II) acetate 1877 Zn(C8H15O2)2 zinc caprylate 557-09-5 1878 Zn(ClO3)2 zinc chlorate 10361-95-2 Chloric acid, zinc salt Zn(ClO3)2 yellow hygroscopic crystals 232.29 g/mol 2.15 g/cc 60°C (decomposes) 200 g/100 mL (20 °C) 1879 Zn(ClO4)2 zinc perchlorate 10025-64-6 1880 Zn(CN)2 zinc cyanide 557-21-1 potassium sulfocyanate potassium isothiocyanate potassium thiocyanide Zn(CN)2 off-white powder 117.444 g/mol 1.852 g/cc, solid 800 °C (decomposes) .00005 g/100 mL (20 °C) soluble in alkalies, KCN, ammonia insoluble in alcohol 1881 Zn(IO3)2 zinc iodate 7790-37-6 1882 Zn(MnO4)2 zinc permanganate 23414-72-4 1883 Zn(NO2)2 zinc nitrite 10102-02-0 1884 Zn(NO3)2 zinc nitrate 7779-88-6 Zn(NO3)2 colorless, deliquescent crystals 189.36 g/mol (anhydrous) 297.49 g/mol (hexahydrate) 2.065 g/cc (hexahydrate) 110 °C (anhydrous) 45.5 °C (trihydrate) 36.4 °C (hexahydrate) ~125 °C, decomp (hexahydrate) 327 g/100 mL, 40 °C (trihydrate) 184.3 g/100 ml, 20 °C (hexahydrate) very soluble in alcohol Zinc sulfate Zinc chloride Cadmium nitrate Mercury(II) nitrate Non-flammable 1885 Zn(OH)2 zinc hydroxide 20427-58-1 Zn(OH)2 white powder 99.424 g/mol 3.053 g/cc, solid 125 °C (decomposition) slightly soluble Zinc oxide Cadmium hydroxide Non-flammable 1886 Zn(SCN)2 zinc thiocyanate 557-42-6 1887 Zn2Fe(CN)6 zinc ferrocyanide 14883-46-6 1888 Zn2P2O7 zinc pyrophosphate 7446-26-6 Zn2P2O7 white crystalline powder 304.72 g/mol 3.75 g/cc insoluble soluble in dilute acids 1889 Zn2SiO4 zinc orthosilicate 13597-65-4 1890 Zn3(AsO4)2 zinc arsenate 13464-44-3 1891 Zn3(BO3)2 zinc borate 12880-01-2 1892 Zn3(PO4)2 zinc phosphate 7779-90-0 Zn3(PO4)2 monoclinic white crystals 386.11 g/mol 3.998 g/cc 900 °C 1.595 insoluble Non-flammable 1893 Zn3N2 zinc nitride 1313-49-1 Zn3N2 Cubic, cI80 gray powder[1] 244.15 g/mol[1] 6.22 g/cm³, solid[1] insoluble (decomposes) 1894 Zn3P2 zinc phosphide 1314-84-7 trizinc diphosphide Zn3P2 Tetragonal, tP40 gray tetragonal crystals 258.12 g/mol 4.55 g/cc 1160°C insoluble insoluble in ethanol, soluble in benzene, reacts with acids 1895 ZnBr2 zinc bromide 7699-45-8 Zinc(II) bromide, Zinc dibromide ZnBr2 white crystalline powder hygroscopic 225.198 g/mol 4.20 g/cc (20 °C) 4.22 g/cc (25 °C) 394 °C 697 °C 1.5452 31.1 g/100 mL (0 °C) 44.7 g/100 mL (20 °C)[1] 53.8 g/100 mL (100 °C) very soluble in alcohol, ether, acetone, tetrahydrofuran Zinc fluoride, Zinc chloride, Zinc iodide Cadmium bromide, Mercury(II) bromide, Calcium bromide Non-flammable 1896 ZnC10H20N2S4 zinc dimethyldithiocarbamate 14324-55-1 1897 ZnC2O4 zinc oxalate 547-68-2 1898 ZnC3H7O6P zinc glyercophosphate 1300-26-1 1899 ZnC4H2O4 zinc fumarate 52723-61-2 1900 ZnC4H4O4 zinc succinate 6228-53-1 1901 ZnC6H10O4 zinc propionate 557-28-8 1902 ZnC6H10O6 zinc lactate 16039-53-5 1903 ZnC6H12N2S4 zinc dimethyldithiocarbonate 137-30-4 1904 ZnCl2 zinc chloride 7646-85-7 Zinc(II) chloride Zinc dichloride Butter of zinc ZnCl2 Tetrahedral, linear in the gas phase Four forms known: hexagonal δ-form is most stable when anhydrous white crystalline solid hygroscopic 136.315 g/mol 2.907 g/cc 292 °C, 565 K, 558 °F 756 °C, 1029 K, 1393 °F 432 g/100 mL (25 °C) soluble in ethanol, glycerol and acetone Zinc fluoride Zinc bromide Zinc iodide Cadmium chloride Mercury(II) chloride 1905 ZnCO3 zinc carbonate 3486-35-9 1906 ZnCr2O4 zinc chromite 12018-19-8 1907 ZnCr2O7 zinc dichromate 14018-95-2 1908 ZnCrO4 zinc chromate 13530-65-9 ZnCrO4 yellow-green crystals 181.403 g/mol 3.43 g/cc 316 °C 732 °C insoluble 1909 ZnF2 zinc fluoride 7783-49-5 Zinc difluoride ZnF2 tetragonal (anhydrous), tP6 white needles hygroscopic 103.406 g/mol (anhydrous) 175.45 g/mol (tetrahydrate) 4.95 g/cc (anhydrous) 2.30 g/cc (tetrahydrate) 872 °C (anhydrous) 100 °C, decomp (tetrahydrate) 1500 °C (anhydrous) .000052 g/100 mL (anhydrous) 1.52 g/100 mL, 20 °C (tetrahydrate) sparingly soluble in HCl, HNO3, ammonia 1910 ZnH2 zinc hydride 14018-82-7 ZnH2 white crystalline 67.406 1911 ZnI2 zinc iodide 10139-47-6 Zinc(II) iodide ZnI2 Tetragonal, tI96 white solid 319.218 g/mol 4.74 g/cc 446 °C 1150 ºC decomp. 450 g/100mL (20 °C) Zinc fluoride Zinc chloride Zinc bromide Cadmium iodide Mercury(I) iodide 625 °C 1912 ZnMoO4 zinc molybdate 13767-32-3 ZnMoO4 tetragonal white tetragonal crystals 225.33 g/mol 4.3 g/cm³, solid 900°C insoluble 1913 ZnO zinc oxide 1314-13-2 Zinc white Calamine ZnO White solid 81.408 g/mol 5.606 g/cc 1975 °C (decomposes) 2360 °C 2.0041 0.16 mg/100 mL (30 °C) -348.0 kJ/mol 43.9 J K-1mol-1 Zinc sulfide Zinc selenide Zinc telluride Cadmium oxide Mercury(II) oxide 1436 °C 1914 ZnO2 zinc peroxide 1314-22-3 zinc dioxide zinc bioxide ZnO2 Cubic white-yellowish powder 97.408 g/mol 1.57 g/cc 212°C (decomposes) 3.8 eV (indirect) [1][2] ~7 (3% solution) 1915 ZnS zinc sulfide 1314-98-3 Zincblende Wurtzite ZnS Tetrahedral (Zn2+) Tetrahedral (S2−) see text 97.474 g/mol 4.090 g/cc 1185 °C (sublim) 3.54 eV (cubic, 300 K) 3.91 eV (hexagonal, 300 K) negligible −204.6 kJ/mol Zinc oxide Zinc selenide Zinc telluride Cadmium sulfide Mercury sulfide non-flammable 1916 ZnSb zinc antimonide 12039-35-9 ZnSb Orthorhombic, oP16 silver-white orthorhombic crystals 187.15 g/mol 6.33 g/cc 565°C reacts 1917 ZnSe zinc selenide 1315-09-9 Zinc selenide Stilleite ZnSe Tetrahedral (Zn2+) Tetrahedral (Se2−) Zincblende (cubic) light yellow solid 144.35 g/mol 5.27 g/cc 1525 °C 2.82 eV (25 ºC) 2.67 (550 nm) 2.40 (10.6 µm) negligible −177.6 kJ/mol Zinc oxide Zinc sulfide Zinc telluride Cadmium selenide Mercury selenide 1918 ZnSnO3 zinc stannate 8011-65-2 1919 ZnSO4 zinc sulfate 7733-02-0 White vitriol Goslarite ZnSO4 white powder 161.47 g/mol (anhydrous) 179.47 g/mol (monohydrate) 287.53 g/mol (heptahydrate) 3.54 g/cc (anhydrous) 2.072 g/cc (hexahydrate) 680 ºC decomp. (anhydrous) 100 °C (heptahydrate) 70 °C, decomp (hexahydrate) 740 °C (anhydrous) 280 °C, decomp (heptahydrate) 1.658 (anhydrous) 1.4357 (heptahydrate) 22 g/100 ml, anhydrous (20 ºC) 96.5 g/100mL, heptahydrate (20 °C) anhydrous: soluble in methanol, glycerol heptahydrate: 40 g/100 mL, glycerol insoluble in alcohol Cadmium sulfate Non-flammable 1920 ZnTe zinc telluride 1315-11-3 ZnTe Tetrahedral (Zn2+) Tetrahedral (Te2−) Zincblende (cubic) red crystals 193.01 g/mol 6.34 g/cc 1238.5 °C 2.23–2.25 eV Zinc oxide Zinc sulfide Zinc selenide Cadmium telluride Mercury telluride 1921 ZnTiO3 zinc titanate 12036-43-0 1922 ZnWO4 zinc tungstate 13597-56-3 1923 Zr(OH)4 zirconium(IV) hydroxide 14475-63-9 Zr(OH)4 white filter cake 159.253 g/mol 3.25 g/cc, solid 550°C, decomposes 0.02 g/100 mL (20 °C) 1924 Zr(SO4)2 zirconium(IV) sulfate 14644-61-2 1925 Zr(WO4)2 zirconium(IV) tungstate 16853-74-0 zirconium tungsten oxide Zr(WO4)2 white powder 586.92 g/mol 5.09 g/cm³, solid negligible 1926 ZrBr3 zirconium(III) bromide 24621-18-9 1927 ZrBr4 zirconium(IV) bromide 13777-25-8 zirconium tetrabromide ZrBr4 Cubic, cP40 off-white powder 410.86 g/mol 4.201 g/cc, solid 450 °C sublimes reacts with water 1928 ZrC zirconium(IV) carbide 12070-14-3 zirconium(IV) carbide ZrC Octahedral Cubic, cF8 gray refractory solid 103.235 g/mol 6.73 g/cc 3532°C 5100°C insoluble soluble in concentrated HSO4, HF, HNO3 −207 kJ/mol (extrapolated to stoichiometric composition)[2] 1929 ZrCl2 zirconium(II) chloride 13762-26-0 1930 ZrCl4 zirconium(IV) chloride 10026-11-6 ZrCl4 Monoclinic, mP10 white crystals hygroscopic 233.04 g/mol 2.80 g/cc 437 °C (triple point) 331 °C hydrolysis soluble in alcohol, ether, concentrated HCl −980.52 kJ/mol 181.41 J K−1 mol−1 Zirconium(IV) fluoride Zirconium(IV) bromide Zirconium(IV) iodide Titanium tetrachloride Hafnium tetrachloride Non-flammable 1931 ZrF4 zirconium(IV) fluoride 7783-64-4 ZrF4 Monoclinic, mS60 white crystalline powder 167.21 g/mol 4.43 g/cc (20 °C) 910 °C 1.32 g/100mL (20 °C) 1.388 g/100mL (25 °C) Zirconium(IV) chloride Zirconium(IV) bromide Zirconium(IV) iodide Titanium(IV) fluoride Hafnium(IV) fluoride Non-flammable 1932 ZrH2 zirconium(II) hydride 7704-99-6 Zirconium hydride ZrH2 tetragonal grey tetragonal crystals 93.240 g/mol 5.60 g/cc 800°C (decomposes) insoluble soluble in HF 270°C 1933 ZrI2 zirconium(II) iodide 15513-85-6 1934 ZrI3 zirconium(III) iodide 13779-87-8 1935 ZrI4 zirconium(IV) iodide 13986-26-0 zirconium tetraiodide ZrI4 Monoclinic, mP30 orange-yellow crystalline hygroscopic 598.842 g/mol 4.580 g/cc, solid 499 °C (triple point) 431 °C (sublimes) soluble 1936 ZrN zirconium(III) nitride 25658-42-8 ZrN Octahedral Cubic, cF8 yellow-brown crystals 105.23 g/mol 7.09 g/cc (20 °C) 2980 °C Insoluble Titanium nitride Hafnium nitride 1937 ZrO zirconium(II) oxide 12036-01-0 1938 ZrO2 zirconium(IV) oxide 1314-23-4 Zirconia Baddeleyite ZrO2 white powder 123.218 g/mol 5.68 g/cc 2715 °C 4300 °C 2.13 negligible soluble in HF, and hot HSO4, HNO3, HCl −1080 kJ/mol 50.3 J K−1 mol−1 Zirconium disulfide Titanium dioxide Hafnium dioxide Non-flammable 1939 ZrP2 zirconium(IV) phosphide 12037-80-8 1940 ZrS2 zirconium(IV) sulfide 12039-15-5 ZrS2 octahedral Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164 red-brown crystals 155.356 g/mol 3.82 g/cc 1480°C 1941 ZrSe2 zirconium(IV) selenide 12166-47-1 1942 ZrSi2 zirconium(IV) silicide 12039-90-6 zirconium disilicide ZrSi2 gray powder 147.395 g/mol 4.88 g/cc 1620°C insoluble soluble in hydrofluoric acid 1943 ZrSiO4 zirconium(IV) silicate 10101-52-7 Zirconium orthosilicate ZrSiO4 white powder (similar to ZrO2) 183.308 g/mol 4.56 g/cc 1540°C, decomposes to ZrO2 and SiO2 insoluble insoluble in acid, aqua regia, alkalies Non-flammable 1944 ZrTe2 zirconium(IV) telluride 32321-65-6   Materials and Chemical Elements No Symbol Name Number Target_purity RhoMin Density RhoMax Unit Electrical Cond. Unit Thermal Cond. Unit Melting Point [K] Melting Point Unit Boiling Point Unit Tv1 P1 Tv2 P2 TUnit Punit TWavelenMin TWavelenMax TWavelenUnit RefractiveIndexMin RefractiveIndex RefractiveIndexMax Wavelength WavelengthUnit Yield Energy EnergyUnit Rate RateUnit Power PowerUnit Sputtering MSDSfile 1 (Al2O3)98(ZnO)2 Aluminum Doped Zinc Oxide (AZO) 99.95 5.6 g/cc 0.01 1/cm? 0 2 (Cr)60(SiO)40 Chromium 60% - silicon monoxide 40% 99.5 1 3 (In2O3)80(SnO2)20 Indium oxide 80% - tin oxide 20% 99.99 1 4 (In2O3)85-(SnO2)15 Indium oxide 85% - tin oxide 15% 99.99 1 5 (In2O3)90-(SnO2)10 Indium oxide 90% - tin oxide 10% 99.99 1 6 (In2O3)91-(SnO2)9 Indium oxide 91 mol% - tin oxide 9 mol% 99.99 1 7 Ac Actinium 89 99.95 1.20E-1 W/cmK 1323 1050 °C 0 8 Ag Silver 47 99.99 0 10.5 0 g/cc 6.30E+5 1/cm? 4.29E+0 W/cmK 1234 961 °C 2212 °C 1020 0.1 1150 0.01 °C mbar 3.4 600 eV 380 Å/s 250 W/in2 1 Silver-MSDS.pdf 9 Ag2O Silver Oxide 99.95 0 Silver-Oxide-MSDS.pdf 10 Al Aluminum 13 99.99 0 2.7 0 g/cc 3.77E+5 1/cm? 2.37E+0 W/cmK 933 660 °C 2467 °C 1140 0.1 1270 0.01 °C mbar 1.2 600 eV 170 Å/s 250 W/in2 1 Aluminum-MSDS.pdf 11 Al-Pr-Oxide Aluminum Praseodymium Oxide 99.95 0 4.62 0 g/cc 0 °C 0.38 9 �µm 1.7 550 nm 1 12 Al2O3 Aluminum Oxide 99.99 0 3.96 0 g/cc 2319 2046 °C 2980 °C 2050 0.1 2200 0.01 °C mbar 0.2 7 �µm 1.63 550 nm 40 Å/s 250 W/in2 1 Aluminum-Oxide-MSDS.pdf 13 Al96Cu4 Aluminum Copper 4% 99.95 0 2.7 0 g/cc 923 650 °C 1150 0.1 °C mbar 1 14 Al98Cu2 Aluminum Copper 2% 99.95 2.82 g/cc 170 Å/s 250 W/in2 1 15 Al99Si1 Aluminum Silicon 1% 99.95 2.66 g/cc 160 Å/s 250 W/in2 1 16 AlCu Aluminum Copper 99.95 0 materials 17 AlCuW Aluminum Copper Tungsten 99.95 0 Aluminum-Copper-Tungsten-MSDS.pdf 18 AlF3 Aluminum Fluoride 99.95 0 2.9 0 g/cc 1564 1291 °C 820 0.1 890 0.01 °C mbar 1.4 550 nm 1 19 AlN Aluminum Nitride 99.8 1 Aluminum-Nitride-MSDS.pdf 20 AlSi1%AlSi2% Aluminum Silicon 99.95 0 Aluminum-2%25-Silicon-MSDS.pdf 21 AlSi1Cu0.5 Aluminum Silicon 1% Copper 0.5% 99.95 0 Aluminum-Silicon-Copper-MSDS.pdf 22 Am Americium 95 99.95 2.20E+4 1/cm? 1.00E-1 W/cmK 1267 994 °C 0 23 Ar Argon 18 99.95 1.77E-4 W/cmK 83.81 -189.19 °C 0 24 As Arsenic 33 99.95 3.45E+4 1/cm? 5.02E-1 W/cmK 1081 808 °C 0 25 As2S3 Arsen sulphur 99.95 0 3.4 0 g/cc 573 300 °C 707 °C 485 0.1 625 0.01 °C mbar 1 26 At Astatine 85 99.95 1.70E-2 W/cmK 575 302 °C 0 27 Au Gold 79 99.99 0 19.31 0 g/cc 4.52E+5 1/cm? 3.17E+0 W/cmK 1336 1063 °C 2966 °C 1400 0.1 1570 0.01 °C mbar 2.8 600 eV 320 Å/s 250 W/in2 1 Gold-MSDS.pdf 28 Au/Ge(88/12) Gold Germanium 99.95 0 Gold-Germanium-MSDS.pdf 29 Au/Zn(99/1) Gold Zinc 99.95 0 Gold-Zinc-MSDS.pdf 30 AuPd Gold Palladium 99.95 0 Gold-Palladium-MSDS.pdf 31 AuSn Gold Tin 99.95 0 Gold-Tin-MSDS.pdf 32 B Boron 5 99.9 0 2.3 0 g/cc 1.00E-6 1/cm? 2.74E-1 W/cmK 2573 2300 °C 2550 °C 2130 0.1 2330 0.01 °C mbar 1 Boron-MSDS.pdf 33 B2O3 Boron Oxide 99.95 0 2.5 0 g/cc 733 460 °C 2247 °C 1180 0.1 1310 0.01 °C mbar 1 34 B4C Boron Carbide 99.5 0 2.52 0 g/cc 2623 2350 °C 3500 °C 2750 0.1 °C mbar 20 Å/s 250 W/in2 1 Boron-Carbide-MSDS.pdf 35 Ba Barium 56 99.95 3.00E+4 1/cm? 1.84E-1 W/cmK 1002 729 °C 0 Barium-MSDS.pdf 36 Ba0.5Sr0.5TiO3 Barium Strontium Titanate 99.95 0 Barium-Strontium-Titanate-MSDS.pdf 37 BaF2 Barium Fluoride 99.9 (Sr<400ppm) 0 4.9 0 g/cc 1553 1280 °C 2260 °C 1090 0.1 1210 0.01 °C mbar 0.25 15 �µm 1.3 550 nm 1 Barium-Fluoride-MSDS.pdf 38 BaFe12O19 Barium Ferrite 99.95 0 Barium-Ferrite-MSDS.pdf 39 BaO Barium Oxide 99.95 0 Barium-Oxide-MSDS.pdf 40 BaTiO3 Barium Titanate 99.95 0 6 0 g/cc 1873 1600 °C 1800 0.1 °C mbar 2.4 550 nm 1 Barium-Titanate-MSDS.pdf 41 Be Beryllium 4 99.95 1.85 g/cc 3.13E+5 1/cm? 2.01E+0 W/cmK 1551 1278 °C 0.8 600 eV 100 Å/s 250 W/in2 1 Beryllium-MSDS.pdf 42 BeO Beryllium Oxide 99.95 0 3 0 g/cc 2803 2530 °C 4120 °C 2220 0.1 2400 0.01 °C mbar 1.72 550 nm 1 43 Bi Bismuth 83 99.999 8.67E+3 1/cm? 7.87E-2 W/cmK 544.52 271.52 °C 1 Bismuth-MSDS.pdf 44 Bi2O3 Bismuth Oxide 99.9 1 Bismuth-Oxide-MSDS.pdf 45 Bi4Ti3O12 Bismuth Titanate 99.9 1 Bismuth-Titanium-Oxide-MSDS.pdf 46 BiLaTiO3 Bismuth Lanthanum Titanium Oxide 99.95 0 Bismuth-Lanthanum-Titanium-Oxide-MSDS.pdf 47 Bk Berkelium 97 99.95 1.00E-1 W/cmK 0 48 BN Boron Nitride 97.5 0 2.25 0 g/cc 3273 3000 °C 1570 0.1 1680 0.01 °C mbar 20 Å/s 250 W/in2 1 Boron-Nitride-MSDS.pdf 49 Br Bromine 35 99.95 1.22E-3 W/cmK 265.9 -7.1 °C 0 50 C Carbon 6 99.5 0 2.25 0 g/cc 6.10E+2 1/cm? 1.29E+0 W/cmK 4000 3727 °C 4827 °C 2300 0.1 2520 0.01 °C mbar 0.2 600 eV 20 Å/s 250 W/in2 1 Carbon-MSDS.pdf 51 Ca Calcium 20 99.95 2.98E+5 1/cm? 2.01E+0 W/cmK 1112 839 °C 0 52 CaF2 Calcium Fluoride 99.95 (Mg <500 ppm) 0 3.2 0 g/cc 1633 1360 °C 2500 °C 1280 0.1 1410 0.01 °C mbar 0.15 12 �µm 1.4 550 nm 1 Calcium-Fluoride-MSDS.pdf 53 CaO Calcium Oxide 99.99 0 3.3 0 g/cc 2853 2580 °C 2850 °C 2070 0.1 2300 0.01 °C mbar 1 Calcium-Oxide-MSDS.pdf 54 CaSiO3CaO-SiO2 Calcium Silicate 99.95 0 Calcium-Silicate-MSDS.pdf 55 CaTiO3 Calcium Titanate 99.95 0 Calcium-Titanate-MSDS.pdf 56 Cd Cadmium 48 99.9 0 8.6 0 g/cc 1.38E+5 1/cm? 9.68E-1 W/cmK 594 321 °C 765 °C 265 0.1 320 0.01 °C mbar 1 57 CdO Cadmium Oxide 99.95 0 Cadmium-Oxide-MSDS.pdf 58 CdS Cadmium Sulfide 99.99 0 4.8 0 g/cc 2023 1750 °C 1405 °C 680 0.1 760 0.01 °C mbar 2.5 550 nm 1 Cadmium-Sulfide-MSDS.pdf 59 CdSe Cadmium Selenide 99.995 0 5.8 0 g/cc 1623 1350 °C 650 0.1 °C mbar 0.7 2.5 �µm 2.5 550 nm 1 Cadmium-Selenide-MSDS.pdf 60 CdTe Cadmium Telluride 99.999 0 6.2 0 g/cc 1315 1042 °C 1000 0.1 °C mbar 0.9 25 �µm 3.1 3000 nm 1 Cadmium-Telluride-MSDS.pdf 61 Ce Cerium 58 99.9 1.15E+4 1/cm? 1.14E-1 W/cmK 1071 798 °C 1 Cerium-MSDS.pdf 62 Ce2O3 Cerium Oxide 99.95 0 Cerium-Oxide-MSDS.pdf 63 CeF3 Cerium fluoride 99.9 0 6.2 0 g/cc 1733 1460 °C 1987 °C 1183 0.1 1298 0.01 °C mbar 0.3 5 �µm 1.63 550 nm 1 64 CeO2 Cerium Oxide 99.9 0 7.1 0 g/cc 2423 2150 °C 1825 0.1 2100 0.01 °C mbar 0.4 16 �µm 2 550 nm 1 65 Cf Californium 98 99.95 1.00E-1 W/cmK 1173 900 °C 0 66 Cl Chlorine 17 99.95 8.90E-5 W/cmK 172.16 -100.84 °C 0 67 Cm Curium 96 99.95 1.00E-1 W/cmK 1340 1067 °C 0 68 Co Cobalt 27 99.95 0 8.9 0 g/cc 1.72E+5 1/cm? 1.00E+0 W/cmK 1768 1495 °C 2900 °C 1160 0.1 1290 0.01 °C mbar 1.4 600 eV 190 Å/s 250 W/in2 1 Cobalt-MSDS.pdf 69 CoCr Cobalt Chromium 99.95 0 materials 70 CoFe Cobalt Iron 99.95 0 materials 71 CoFeB Cobalt Iron Boron 99.95 0 materials 72 CoO Cobalt Oxide 99.95 0 Cobalt-Oxide-MSDS.pdf 73 CoSi2 Cobalt Silicide 99.95 0 Cobalt-Silicide-MSDS.pdf 74 CoZr Cobalt Zirconium 99.95 0 Cobalt-Zirconium-MSDS.pdf 75 Cr Chromium 24 99.8 0 7.2 0 g/cc 7.74E+4 1/cm? 9.37E-1 W/cmK 2130 1857 °C 2482 °C 1380 0.1 1570 0.01 °C mbar 1.3 600 eV 180 Å/s 250 W/in2 1 Chromium-Metal-MSDS.pdf 76 Cr2C3 Chromium carbide 99.95 0 6.7 0 g/cc 2123 1850 °C 3800 °C 2000 0.1 °C mbar 1 77 Cr2O3 Chromium Oxide 99.8 0 5.2 0 g/cc 2618 2345 °C 4000 °C 1900 0.1 °C mbar 0.6 8 �µm 2.5 550 nm 1 Chromium-Oxide-MSDS.pdf 78 Cr2Si2 Chromium Silicide 99.95 0 5.5 0 g/cc 1833 1560 °C 1 79 Cr3C2 Chromium carbide 99.5 1 80 Cr3Si Chromium Silicide 99.5 1 81 Crâ�‚��€œSiO Chromium Silicon oxide 99.95 4.8 5.3 5.8 g/cc 0 °C 1600 0.1 °C mbar 1 82 CrB2 Chromium Boride 99.5 1 Chromium-Boride-MSDS.pdf 83 CrSi2 Chromium Silicide 99.9 1 Chromium-Silicide-MSDS.pdf 84 Cs Cesium 55 99.95 4.89E+4 1/cm? 3.59E-1 W/cmK 301.55 28.55 °C 0 85 CsF Cesium Fluoride 99.95 0 4.1 0 g/cc 955 682 °C 1251 °C 520 0.1 580 0.01 °C mbar 1.5 550 nm 1 86 CsI Cesium iodide 99.999 1 87 Cu Copper 29 99.99 0 8.92 0 g/cc 5.96E+5 1/cm? 4.01E+0 W/cmK 1356 1083 °C 2595 °C 1240 0.1 1400 0.01 °C mbar 2.3 600 eV 320 Å/s 250 W/in2 1 Copper-MSDS.pdf 88 Cu2O Copper dioxide 99.95 0 6 0 g/cc 1508 1235 °C 1800 °C 800 0.1 °C mbar 1 89 Cu2S Copper Sulfide 99.95 0 Copper-Sulfide-MSDS.pdf 90 Cu2Se Copper selenide 99.5 1 91 CuGa Copper Gallium 99.95 0 materials 92 CuIn Copper Indium 99.95 0 materials 93 CuInGaSe Copper Indium Gallium Selenide 99.95 0 materials 94 CuInSe2 Copper Indium Selenide 99.95 0 materials 95 CuO Copper Oxide 99.7 1 Copper-Oxide-MSDS.pdf 96 Db Dubnium 105 99.95 5.80E-1 W/cmK 0 97 Dy Dysprosium 66 99.95 1.08E+4 1/cm? 1.07E-1 W/cmK 1685 1412 °C 0 Dysprosium-MSDS.pdf 98 Dy2O3 Dysprosium oxide 99.95 0 7.8 0 g/cc 2613 2340 °C 2130 0.1 2230 0.01 °C mbar 1.9 550 nm 1 99 DyF3 Dysprosium fluoride 99.95 0 7.5 0 g/cc 1428 1155 °C 1900 °C 1217 0.1 1390 0.01 °C mbar 1.5 550 nm 1 100 Er Erbium 68 99.95 1.17E+4 1/cm? 1.43E-1 W/cmK 1795 1522 °C 0 Erbium-MSDS.pdf 101 Er2O3 Erbium Oxide 99.95 0 8.6 0 g/cc 2673 2400 °C 2192 0.1 2390 0.01 °C mbar 1.9 550 nm 1 Erbium-Oxide-MSDS.pdf 102 ErF3 Erbium fluoride 99.95 0 7.8 0 g/cc 1417 1144 °C 1920 °C 1230 0.1 1330 0.01 °C mbar 1.5 550 nm 1 103 Es Einsteinium 99 99.95 1.00E-1 W/cmK 1133 860 °C 0 104 Eu Europium 63 99.95 1.12E+4 1/cm? 1.39E-1 W/cmK 1095 822 °C 0 Europium-MSDS.pdf 105 Eu2O3 Europium oxide 99.95 0 7.4 0 g/cc 2373 2100 °C 1765 0.1 1950 0.01 °C mbar 1.9 550 nm 1 106 EuF3 Europium fluoride 99.95 0 6.7 0 g/cc 1553 1280 °C 2270 °C 1200 0.1 °C mbar 1 107 F Fluorine 9 99.95 2.79E-4 W/cmK 53.48 -219.52 °C 0 108 Fe Iron 26 99.95 0 7.86 0 g/cc 9.93E+4 1/cm? 8.02E-1 W/cmK 1809 1536 °C 3070 °C 1430 0.1 1580 0.01 °C mbar 1.3 600 eV 180 Å/s 250 W/in2 1 Iron-MSDS.pdf 109 Fe2O3 Iron Oxide 99.9 0 5.3 0 g/cc 1867 1594 °C 1200 °C 3 550 nm 1 Iron-Oxide-MSDS.pdf 110 Fe3O4 Iron oxide 99 1 111 Fm Fermium 100 99.95 1.00E-1 W/cmK 0 112 Fr Francium 87 99.95 3.00E+4 1/cm? 1.50E-1 W/cmK 300 27 °C 0 113 Ga Gallium 31 99.95 0 5.9 0 g/cc 6.78E+4 1/cm? 4.06E-1 W/cmK 303 30 °C 2403 °C 1030 0.1 1160 0.01 °C mbar 1 Gallium-MSDS.pdf 114 Ga2O3 Gallium Oxide 99.995 1 Gallium-Oxide-MSDS.pdf 115 GaAs Gallium Arsenide 99.95 0 5.3 0 g/cc 1511 1238 °C 1300 0.1 °C mbar 1 Gallium-Arsenide-MSDS.pdf 116 GaP Gallium Phosoforide 99.95 0 4.1 0 g/cc 1623 1350 °C 1100 0.1 1220 0.01 °C mbar 1 117 Gd Gadolinium 64 99.95 7.36E+3 1/cm? 1.06E-1 W/cmK 1585 1312 °C 0 Gadolinium-MSDS.pdf 118 Gd2O3 Gadolinium oxide 99.95 0 7.4 0 g/cc 2603 2330 °C 2046 0.1 2287 0.01 °C mbar 1.8 550 nm 1 119 GdF3 Gadolinium fluoride 99.95 0 7.1 0 g/cc 1503 1230 °C 2270 °C 950 0.1 °C mbar 1.6 550 nm 1 120 Ge Germanium 32 99.95 0 5.35 0 g/cc 1.45E-2 1/cm? 5.99E-1 W/cmK 1210 937 °C 2830 °C 1400 0.1 1580 0.01 °C mbar 4 2000 nm 1.2 600 eV 160 Å/s 250 W/in2 1 Germanium-MSDS.pdf 121 Ge2Sb2Te5 GST Germanium Antimony Tellurium 99.995 0 6.35 0 g/cc 0 °C 1 122 Ge3N4 Germanium Nitride 99.95 0 Germanium-Nitride-MSDS.pdf 123 GeO2 Germanium Oxide 99.95 0 4.2 0 g/cc 1388 1115 °C 500 0.1 540 0.01 °C mbar 1.6 550 nm 1 Germanium-Oxide-MSDS.pdf 124 H Hydrogen 1 99.95 1.82E-3 W/cmK 14.025 -258.975 °C 0 125 He Helium 2 99.95 1.52E-3 W/cmK 0.949999999999989 -272.05 °C 0 126 Hf Hafnium 72 99.9 0 13.31 0 g/cc 3.12E+4 1/cm? 2.30E-1 W/cmK 2503 2230 °C 5200 °C 2560 0.1 2820 0.01 °C mbar 0.8 600 eV 110 Å/s 250 W/in2 1 Hafnium-MSDS.pdf 127 HfB2 Hafnium boride 99.5 1 128 HfC Hafnium Carbide 99.5 1 Hafnium-Carbide-MSDS.pdf 129 HfF4 Hafnium fluoride 99.95 0 7.1 0 g/cc 1273 1000 °C 1200 0.1 °C mbar 1.56 550 nm 1 130 HfN Hafnium Nitride 99.5 1 Hafnium-Nitride-MSDS.pdf 131 HfO2 Hafnium Oxide 99.95 0 9.7 0 g/cc 3085 2812 °C 5400 °C 2300 0.1 2500 0.01 °C mbar 0.23 8 �µm 1.9 2.07 550 nm 1 Hafnium-Oxide-MSDS.pdf 132 HfO2-Y2O3 Hafnium oxide 10-15t%, yttria stab. 99 1 133 HfSi2 Hafnium silicide 99.5 1 134 Hg Mercury 80 99.95 1.04E+4 1/cm? 8.34E-2 W/cmK 234.28 -38.72 °C 0 135 Ho Holmium 67 99.95 1.24E+4 1/cm? 1.62E-1 W/cmK 1743 1470 °C 0 Holmium-MSDS.pdf 136 Ho2O3 Holmium oxide 99.95 0 8.3 0 g/cc 2643 2370 °C 2142 0.1 2318 0.01 °C mbar 1.9 550 nm 1 137 HoF3 Holmium fluoride 99.95 0 7.6 0 g/cc 1416 1143 °C 1895 °C 1214 0.1 1316 0.01 °C mbar 1.6 550 nm 1 138 I Iodine 53 99.95 8.00E-10 1/cm? 4.49E-3 W/cmK 386.5 113.5 °C 0 139 In Indium 49 99.99 0 7.3 0 g/cc 1.16E+5 1/cm? 8.16E-1 W/cmK 429 156 °C 2000 °C 900 0.1 1025 0.01 °C mbar 800 Å/s 250 W/in2 1 Indium-MSDS.pdf 140 In2O3 Indium Oxide 99.999 0 7.18 0 g/cc 2473 2200 °C 720 0.1 °C mbar 2 550 nm 20 Å/s 250 W/in2 1 Indium-Oxide-MSDS.pdf 141 In2Se3 Indium selenide 99.9 1 142 In90Sn10 Indium - Tin 99.95 0 7.3 0 g/cc 419 146 °C 1000 0.1 °C mbar 2 550 nm 1 143 Ir Iridium 77 99.8 0 22.42 0 g/cc 1.97E+5 1/cm? 1.47E+0 W/cmK 2683 2410 °C 4530 °C 2460 0.1 2700 0.01 °C mbar 1.2 600 eV 135 Å/s 250 W/in2 1 Iridium-MSDS.pdf 144 ITO Indium Tin Oxide 99.95 7.1 g/cc 0.0002 1/cm? 0.115 W/cmK 20 Å/s 250 W/in2 1 145 ITO-In2O3-SnO2 Indium Tin Oxide In2O3-SnO2 99.95 0 7.14 0 g/cc 0.0002 1/cm? 0.115 W/cmK 2273 2000 °C 700 0.1 °C mbar 0.4 1.1 �‚�µm 1.82 1.95 550 nm 1 Indium-Tin-Oxide-MSDS.pdf 146 K Potassium 19 99.95 1.39E+5 1/cm? 1.02E+0 W/cmK 336.35 63.35 °C 0 147 Kr Krypton 36 99.95 9.49E-5 W/cmK 115.78 -157.22 °C 0 148 La Lanthanum 57 99.95 1.26E+4 1/cm? 1.35E-1 W/cmK 1193 920 °C 0 Lanthanum-MSDS.pdf 149 La-Nb-Oxide Lanthanum niobium oxide 99.95 0 6.12 0 g/cc 0 °C 0.42 8 �µm 2.1 550 nm 1 150 La-Ti-Oxide Lanthanum titanium oxide 99.95 5.9 6.05 6.2 g/cc 0 °C 0.38 7 �µm 1.9 2.12 550 nm 1 151 La0.8Sr0.2MnOxide Lanthanum Strontium Manganese Oxide 99.95 0 Lanthium-Strontium-Manganese-Oxide-MSDS.pdf 152 La2O3 Lanthanum Oxide 99.95 0 6.5 0 g/cc 2533 2260 °C 4200 °C 1875 0.1 2132 0.01 °C mbar 0.35 2 �µm 1.9 550 nm 1 Lanthanum-Oxide-MSDS.pdf 153 LaAlO3 Lanthanum Aluminate 99.9 1 Lanthanum-Aluminate-MSDS.pdf 154 LaB6 Lanthanum Boride 99.5 1 Lanthanum-Boride-MSDS.pdf 155 LaF3 Lanthanum fluoride 99.9 0 6 0 g/cc 1768 1495 °C 2400 °C 1270 0.1 1417 0.01 °C mbar 0.14 14 �µm 1.6 550 nm 1 156 LaSrCoO3 Lanthanum Strontium Cobalt Oxide 99.95 0 Lanthium-Strontium-Cobalt-Oxide-MSDS.pdf 157 Li Lithium 3 99.95 1.08E+5 1/cm? 8.47E-1 W/cmK 453.7 180.7 °C 0 Lithium-MSDS.pdf 158 Li2CO3 Lithium Carbonate 99.95 0 Lithium-Carbonate-MSDS.pdf 159 Li3PO4 Lithium Phosphate 99.95 0 Lithium-Phosphate-MSDS.pdf 160 LiCoO2 Lithium Cobalt Oxide 99.9 4.9 g/cc 0 Lithium-Cobalt-Oxide-MSDS.pdf 161 LiF Lithium fluoride 99.9 0 2.6 0 g/cc 1115 842 °C 1676 °C 790 0.1 900 0.01 °C mbar 1.4 550 nm 1 162 LiNbO3 Lithium Niobate 99.9 1 Lithium-Niobate-MSDS.pdf 163 LiTaO3 Lithium Tantalate 99.95 0 Lithium-Tantalate-MSDS.pdf 164 Lr Lawrencium 103 99.95 1.00E-1 W/cmK 0 165 Lu Lutetium 71 99.95 1.85E+4 1/cm? 1.64E-1 W/cmK 1936 1663 °C 0 166 Lu2O3 Lutetium oxide 99.95 0 9.4 0 g/cc 2673 2400 °C 2030 0.1 2150 0.01 °C mbar 1.9 550 nm 1 167 LuF3 Lutetium fluoride 99.95 0 8.3 0 g/cc 1455 1182 °C 2200 °C 1185 0.1 1300 0.01 °C mbar 1.5 550 nm 1 168 Md Mendelevium 101 99.95 1.00E-1 W/cmK 0 169 Mg Magnesium 12 99.95 0 1.74 0 g/cc 2.26E+5 1/cm? 1.56E+0 W/cmK 923 650 °C 1107 °C 425 0.1 500 0.01 °C mbar 1.4 600 eV 200 Å/s 250 W/in2 1 Magnesium-MSDS.pdf 170 MgF2 Magnesium Fluoride 99.5 (Ca <1%) Ca & Na <1% combined) 0 3.1 0 g/cc 1539 1266 °C 2239 °C 1100 0.1 1225 0.01 °C mbar 0.13 8 �µm 1.38 550 nm 1 Magnesium-Fluoride-MSDS.pdf 171 MgO Magnesium Oxide 99.95 0 3.58 0 g/cc 2913 2640 °C 3600 °C 1700 0.1 1900 0.01 °C mbar 0.2 8 �µm 1.7 550 nm 20 Å/s 250 W/in2 1 Magnesium-Oxide-MSDS.pdf 172 Mn Manganese 25 99.95 0 7.2 0 g/cc 6.95E+3 1/cm? 7.82E-2 W/cmK 1518 1245 °C 2097 °C 960 0.1 1075 0.01 °C mbar 1.3 600 eV 180 Å/s 250 W/in2 1 Manganese-MSDS.pdf 173 MnS Manganese sulfide 99.95 0 4 0 g/cc 1888 1615 °C 1365 0.1 °C mbar 1 174 Mo Molybdenum 42 99.95 0 10.2 0 g/cc 1.87E+5 1/cm? 1.38E+0 W/cmK 2883 2610 °C 5560 °C 2490 0.1 2740 0.01 °C mbar 0.9 600 eV 120 Å/s 250 W/in2 1 Molybdenum-MSDS.pdf 175 Mo2C Molybdenum carbide 99.95 0 8.9 0 g/cc 2960 2687 °C 2600 0.1 °C mbar 1 176 MoO3 Molybdenum Oxide 99.99 0 4.7 0 g/cc 1068 795 °C 1155 °C 590 0.1 655 0.01 °C mbar 1.9 550 nm 1 Molybdenum-Oxide-MSDS.pdf 177 MoS2 Molybdenum Sulfide 99 0 4.8 0 g/cc 1458 1185 °C 400 0.1 °C mbar 40 Å/s 250 W/in2 1 Molybdenum-Sulfide-MSDS.pdf 178 MoSe2 Molybdenum Selenide 99.95 0 Molybdenum-Selenide-MSDS.pdf 179 MoSi2 Molybdenum Silicide 99.995 0 6.31 0 g/cc 2323 2050 °C 2050 0.1 °C mbar 110 Å/s 250 W/in2 1 Molybdenum-Silicide-MSDS.pdf 180 N Nitrogen 7 99.95 2.60E-4 W/cmK 63.14 -209.86 °C 0 181 Na Sodium 11 99.95 2.10E+5 1/cm? 1.41E+0 W/cmK 371 98 °C 0 182 Na3AlF6 Sodium hexafluoroaluminate - Cryolite 99.95 0 2.9 0 g/cc 1273 1000 °C 840 0.1 910 0.01 °C mbar 0.2 14 �µm 1.35 550 nm 1 183 Na5Al3F14 Sodium fluoroaluminate 41 99.95 0 3 0 g/cc 1300 1027 °C 925 0.01 mbar 1.33 550 nm 1 184 NaF Sodium fluoride 99.9 0 2.6 0 g/cc 1261 988 °C 1695 °C 830 0.1 900 0.01 °C mbar 1.3 550 nm 1 185 Nb Niobium 99.9+ 0 8.57 0 g/cc 6.93E+4 1/cm? 5.37E-1 W/cmK 2741 2468 °C 4927 °C 2700 0.1 2930 0.01 °C mbar 0.6 600 eV 80 Å/s 250 W/in2 1 Niobium-MSDS.pdf 186 Nb2O5 Niobium Oxide 60 99.5 0 4.5 0 g/cc 1785 1512 °C 1800 0.1 1860 0.01 °C mbar 0.42 8 �µm 2.27 2.33 550 nm 1 Niobium-Oxide-MSDS.pdf 187 NbC Niobium carbide 99.5 1 188 NbN Niobium nitride 99.5 1 189 NbSi2 Niobium silicide 99.5 1 190 Nd Neodymium 99.95 1.57E+4 1/cm? 1.65E-1 W/cmK 1289 1016 °C 0 Neodymium-MSDS.pdf 191 Nd2O3 Neodymium oxide 99.95 0 7.2 0 g/cc 2513 2240 °C 2000 0.1 2237 0.01 °C mbar 0.4 2 �µm 2.1 550 nm 1 192 NdF3 Neodymium fluoride 99.95 0 6.5 0 g/cc 1650 1377 °C 2400 °C 1265 0.1 1410 0.01 °C mbar 0.2 14 �µm 1.6 550 nm 1 193 NdFeB Neodymium Iron Boride 10 99.95 0 Neodymium-Iron-Boride-MSDS.pdf 194 NdGaO3 Neodymium Gallium Oxide 28 99.95 0 Neodymium-Gallium-Oxide-MSDS.pdf 195 Ne Neon 99.95 4.93E-4 W/cmK 24.553 -248.447 °C 0 196 Ni Nickel 99.6 0 8.9 0 g/cc 1.43E+5 1/cm? 9.07E-1 W/cmK 1726 1453 °C 2732 °C 1530 0.1 1720 0.01 °C mbar 1.5 600 eV 190 Å/s 250 W/in2 1 Nickel-MSDS.pdf 197 Ni2Si Nickel Silicide 99.95 0 Nickel-Silicide-MSDS.pdf 198 Ni80Cr20 Nickel 80 Chromium 20 99.95 8.5 g/cc 140 Å/s 250 W/in2 1 199 Ni81Fe19 Nickel 81 Iron 19 99.995 8.8 g/cc 110 Å/s 250 W/in2 1 200 Ni82Fe18 Nickel 82 Iron 18 99.995 201 Ni83Fe17 Nickel 83 Iron 17 99.995 202 Ni93V7 Nickel 93 Vanadium 7 99.95 8.6 g/cc 100 Å/s 250 W/in2 1 203 NiCo Nickel Cobalt 99.95 0 materials 204 NiCr Nickel Chromium 99.95 7.5 8 8.5 g/cc 1773 1500 °C 1600 °C 1 Nickel-Chromium-MSDS.pdf 205 NiO Nickel Oxide 102 99 0 6.7 0 g/cc 2263 1990 °C 1550 °C 1700 0.1 °C mbar 1 Nickel-Oxide-MSDS.pdf 206 NiV Nickel Vanadium 93 99.95 0 Nickel-Vanadium-MSDS.pdf 207 No Nobelium 8 99.95 1.00E-1 W/cmK 0 208 Np Neptunium 76 99.95 8.22E+3 1/cm? 6.30E-2 W/cmK 913 640 °C 0 209 O Oxygen 15 99.95 2.67E-4 W/cmK 50.35 -222.65 °C 0 210 Os Osmium 91 99.95 0 22.48 0 g/cc 1.09E+5 1/cm? 8.76E-1 W/cmK 3273 3000 °C 5000 °C 2610 0.1 2860 0.01 °C mbar 0.9 600 eV 120 Å/s 250 W/in2 1 211 P Phosphorus 82 99.95 1.00E-11 1/cm? 2.35E-3 W/cmK 317.3 44.3 °C 0 212 Pa Protactinium 99.95 5.29E+4 1/cm? 4.70E-1 W/cmK 1873 1600 °C 0 213 Pb Lead 99.95 0 11.4 0 g/cc 4.81E+4 1/cm? 3.53E-1 W/cmK 600 327 °C 1751 °C 718 0.1 832 0.01 °C mbar 1 Lead-MSDS.pdf 214 PbF2 Lead fluoride 99.9 0 8.2 0 g/cc 1128 855 °C 1290 °C 900 0.1 1100 0.01 °C mbar 1.75 550 nm 1 215 PbO Lead Oxide 99.9 0 9.5 0 g/cc 1163 890 °C 1470 °C 740 0.1 820 0.01 °C mbar 2.6 550 nm 1 Lead-Oxide-MSDS.pdf 216 PbS Lead sulfide 99.95 0 7.5 0 g/cc 1387 1114 °C 660 0.1 725 0.01 °C mbar 1 217 PbSe Lead selenide 99.999 0 8.1 0 g/cc 1338 1065 °C 650 0.1 °C mbar 1 218 PbTe Lead telluride 99.99 0 8.2 0 g/cc 1177 904 °C 1200 0.1 °C mbar 0.35 40 �µm 5.6 5000 nm 1 219 PbTiO3 Lead Titanate 46 99.95 0 Lead-Titanate-MSDS.pdf 220 PbZrTiOxide Lead Zirconium Titanate Oxide 61 99.95 0 Lead-Zirconium-Titanium-Oxide-MSDS.pdf 221 Pd Palladium 84 99.95 0 12.02 0 g/cc 9.50E+4 1/cm? 7.18E-1 W/cmK 1825 1552 °C 2927 °C 1530 0.1 1715 0.01 °C mbar 2.4 600 eV 270 Å/s 250 W/in2 1 Palladium-MSDS.pdf 222 Pm Promethium 59 99.95 1.79E-1 W/cmK 1204 931 °C 0 223 Po Polonium 78 99.95 2.19E+4 1/cm? 2.00E-1 W/cmK 527 254 °C 0 224 Pr Praseodymium 94 99.95 1.48E+4 1/cm? 1.25E-1 W/cmK 1204 931 °C 0 Praseodymium-MSDS.pdf 225 Pr2O3 Praseodymium oxide 99.95 0 7.1 0 g/cc 2543 2270 °C 1997 0.1 2238 0.01 °C mbar 2 550 nm 1 226 PrF3 Praseodymium fluoride 99.95 0 6.3 0 g/cc 1672 1399 °C 2255 °C 1227 0.1 1364 0.01 °C mbar 1.5 550 nm 1 227 Pt Platinum 88 99.95 0 21.45 0 g/cc 9.66E+4 1/cm? 7.16E-1 W/cmK 2042 1769 °C 3827 °C 2100 0.1 2340 0.01 °C mbar 1.6 600 eV 205 Å/s 250 W/in2 1 Platinum-MSDS.pdf 228 Pu Plutonium 37 99.95 6.66E+3 1/cm? 6.74E-2 W/cmK 913 640 °C 0 229 Ra Radium 75 99.95 1.86E-1 W/cmK 973 700 °C 0 230 Rb Rubidium 104 99.95 0 1.5 0 g/cc 7.79E+4 1/cm? 5.82E-1 W/cmK 312 39 °C 688 °C 165 0.1 220 0.01 °C mbar 1 231 Re Rhenium 45 99.99 0 20.53 0 g/cc 5.42E+4 1/cm? 4.79E-1 W/cmK 3453 3180 °C 5627 °C 3030 0.1 3350 0.01 °C mbar 0.9 600 eV 120 Å/s 250 W/in2 1 Rhenium-MSDS.pdf 232 Rf Rutherfordium 86 99.95 2.30E-1 W/cmK 0 233 Rh Rhodium 44 99.8 0 12.4 0 g/cc 2.11E+5 1/cm? 1.50E+0 W/cmK 2239 1966 °C 3727 °C 2035 0.1 2225 0.01 °C mbar 1.5 600 eV 190 Å/s 250 W/in2 1 Rhodium-MSDS.pdf 234 Rn Radon 16 99.95 3.64E-5 W/cmK 202 -71 °C 0 235 Ru Ruthenium 51 99.95 0 12.3 0 g/cc 1.37E+5 1/cm? 1.17E+0 W/cmK 2523 2250 °C 3900 °C 2400 0.1 2650 0.01 °C mbar 1.3 600 eV 180 Å/s 250 W/in2 1 Ruthenium-MSDS.pdf 236 S Sulfur 99.95 5.00E-18 1/cm? 2.69E-3 W/cmK 388.36 115.36 °C 0 237 Sb Antimony 21 99.999 0 6.7 0 g/cc 2.88E+4 1/cm? 2.43E-1 W/cmK 903 630 °C 1380 °C 640 0.1 750 0.01 °C mbar 1 Antimony-MSDS.pdf 238 Sb2O3 Antimony Oxide 99.95 0 5.2 0 g/cc 929 656 °C 1550 °C 460 0.1 520 0.01 °C mbar 2.1 550 nm 1 Antimony-Oxide-MSDS.pdf 239 Sb2S3 Antimony sulfide 99.95 0 4.6 0 g/cc 823 550 °C 1150 °C 550 0.1 °C mbar 3.2 550 nm 1 240 Sc Scandium 34 99.95 1.77E+4 1/cm? 1.58E-1 W/cmK 1812 1539 °C 0 Scandium-MSDS.pdf 241 Sc2O3 Scandium Oxide 14 99.95 0 3.9 0 g/cc 2673 2400 °C 2400 0.1 °C mbar 0.23 12 �µm 1.9 550 nm 1 Scandium-Oxide-MSDS.pdf 242 ScF3 Scandium fluoride 99.95 0 2.6 0 g/cc 1803 1530 °C 1800 °C 1050 0.1 1150 0.01 °C mbar 1.4 550 nm 1 243 Se Selenium 99.95 0 4.8 0 g/cc 1.00E-6 1/cm? 2.04E-2 W/cmK 490 217 °C 685 °C 228 0.1 270 0.01 °C mbar 1 Selenium-MSDS.pdf 244 Si Silicon 99.999 0 2.33 0 g/cc 2.52E-6 1/cm? 1.48E+0 W/cmK 1683 1410 °C 2355 °C 1630 0.1 1830 0.01 °C mbar 3.3 2000 nm 0.5 600 eV 80 Å/s 250 W/in2 1 Silicon-Metal-MSDS.pdf 245 Si-Al-Oxide Silicon aluminate 99.95 0 2.25 0 g/cc 0 °C 0.2 9 �µm 1.48 550 nm 1 246 Si3N4 Silicon Nitride 99.9 (excl Mg.) 0 3.44 0 g/cc 2173 1900 °C 1250 0.1 1375 0.01 °C mbar 2 550 nm 40 Å/s 250 W/in2 1 Silicon-Nitride-MSDS.pdf 247 SiC Silicon Carbide 99.5 0 3.22 0 g/cc 2973 2700 °C 1860 0.1 1990 0.01 °C mbar 2.7 550 nm 50 Å/s 250 W/in2 1 Silicon-Carbide-MSDS.pdf 248 SiO Silicon Monoxide 62 99.97 0 2.1 0 g/cc 1978 1705 °C 1880 °C 1080 0.1 1180 0.01 °C mbar 0.7 9 �µm 1.9 2000 nm 1 Silicon-Monoxide-MSDS.pdf 249 SiO2 Silicon Dioxide 99.995 0 2.63 0 g/cc 1986 1713 °C 2230 °C 2000 0.1 2200 0.01 °C mbar 0.2 9 �µm 1.46 550 nm 70 Å/s 250 W/in2 1 Silicon-Dioxide-MSDS.pdf 250 Sm Samarium 50 99.95 9.56E+3 1/cm? 1.33E-1 W/cmK 1345 1072 °C 0 Samarium-MSDS.pdf 251 Sm2O3 Samarium oxide 99.95 0 7.1 0 g/cc 2598 2325 °C 1950 0.1 2178 0.01 °C mbar 1.9 550 nm 1 252 SmCo Samarium Cobalt 99.95 0 Samarium-Cobalt-MSDS.pdf 253 SmF2 Samarium fluoride 99.95 0 6.6 0 g/cc 1579 1306 °C 2323 °C 1300 0.1 °C mbar 1.6 550 nm 1 254 Sn Tin 38 99.997 0 5.75 0 g/cc 9.17E+4 1/cm? 6.66E-1 W/cmK 505 232 °C 2260 °C 1220 0.1 1390 0.01 °C mbar 800 Å/s 250 W/in2 1 Tin-MSDS.pdf 255 SnO Tin Oxide 99.9 6.45 g/cc 20 Å/s 250 W/in2 1 Tin-Oxide-MSDS.pdf 256 SnO2 Tin dioxide 99.95 0 6.9 0 g/cc 1400 1127 °C 1850 °C 570 0.1 680 0.01 °C mbar 2 550 nm 1 257 Sr Strontium 99.95 7.62E+4 1/cm? 3.53E-1 W/cmK 1042 769 °C 0 258 SrF2 Strontium fluoride 99.9 (Ba <500 ppm) 0 4.2 0 g/cc 1723 1450 °C 2489 °C 1230 0.1 1380 0.01 °C mbar 1.4 550 nm 1 259 SrTiO3 Strontium Titanate 73 99.9 (Ba <400 ppm) 1 Strontium-Titanate-MSDS.pdf 260 SrZrO3 Strontium zirconate 99 (Ba <1%) 1 261 Ta Tantalum 99.95 0 16.6 0 g/cc 7.61E+4 1/cm? 5.75E-1 W/cmK 3269 2996 °C 5425 °C 3040 0.1 3310 0.01 °C mbar 0.6 600 eV 85 Å/s 250 W/in2 1 Tantalum-MSDS.pdf 262 Ta2O5 Tantalum Oxide 99.997 0 8.2 0 g/cc 2153 1880 °C 2000 0.1 2200 0.01 °C mbar 0.3 10 �µm 2.1 550 nm 40 Å/s 250 W/in2 1 Tantalum-Oxide-MSDS.pdf 263 Ta2O5-X 99.95 0 10.6 0 g/cc 0 °C 0.3 10 �µm 2.1 550 nm 1 264 Ta5Si3 Tantalum silicide 99.5 1 265 TaC Tantalum Carbide 99.5 0 13.9 0 g/cc 4153 3880 °C 5500 °C 3000 0.1 °C mbar 1 Tantalum-Carbide-MSDS.pdf 266 TaN Tantalum Nitride 99.5 0 16.3 0 g/cc 3633 3360 °C 40 Å/s 250 W/in2 1 Tantalum-Nitride-MSDS.pdf 267 TaS2 Tantalum Sulfide 99.95 0 materials 268 TaSe2 Tantalum selenide 99.8 1 269 TaSi2 Tantalum Silicide 65 99.5 1 Tantalum-Silicide-MSDS.pdf 270 Tb Terbium 43 99.95 8.89E+3 1/cm? 1.11E-1 W/cmK 1630 1357 °C 0 Terbium-MSDS.pdf 271 Tb2O3 Terbium oxide 99.95 0 7.9 0 g/cc 2573 2300 °C 1800 0.1 °C mbar 2 550 nm 1 272 TbF3 Terbium fluoride 99.95 0 7.2 0 g/cc 1445 1172 °C 2280 °C 1100 0.1 °C mbar 1 273 TbFe Terbium Iron 52 99.95 0 materials 274 Tc Technetium 90 99.95 6.70E+4 1/cm? 5.06E-1 W/cmK 2473 2200 °C 0 275 Te Tellurium 22 99.95 0 6.2 0 g/cc 2.00E+0 1/cm? 2.35E-2 W/cmK 723 450 °C 1390 °C 365 0.1 420 0.01 °C mbar 4.7 5000 nm 1 Tellurium-MSDS.pdf 276 Th Thorium 99.95 11.7 g/cc 6.53E+4 1/cm? 5.40E-1 W/cmK 2028 1755 °C 0.7 600 eV 85 Å/s 250 W/in2 1 277 ThF4 Thorium fluoride 99.95 0 6.3 0 g/cc 1373 1100 °C 1680 °C 950 0.1 1200 0.01 °C mbar 1.52 550 nm 1 278 ThO2 Thorium oxide 99.95 0 9.9 0 g/cc 3323 3050 °C 4400 °C 2300 0.1 2550 0.01 °C mbar 1.9 550 nm 1 279 Ti Titanium 99.995 0 4.5 0 g/cc 2.34E+4 1/cm? 2.19E-1 W/cmK 1941 1668 °C 3260 °C 1760 0.1 1960 0.01 °C mbar 0.6 600 eV 80 Å/s 250 W/in2 1 Titanium-MSDS.pdf 280 Ti-Al-Oxide Titanium aluminate 99.95 0 4.5 0 g/cc 0 °C 0.4 7 �µm 2.2 550 nm 1 281 Ti-Pr-Oxide Titanium praseodymium oxide 99.95 0 6 0 g/cc 0 °C 0.4 11 �µm 2.1 550 nm 1 282 Ti2O3 Titanium trioxide 99.95 0 4.6 0 g/cc 2033 1760 °C 1900 0.1 2100 0.01 °C mbar 0.4 7 �µm 2.3 550 nm 1 283 Ti3O5 Titanium pentoxide 99.95 0 4.6 0 g/cc 2033 1760 °C 1800 0.1 2000 0.01 °C mbar 0.4 7 �µm 2.3 550 nm 1 284 Ti5Si3 Titanium silicide 69 99.5 1 285 TiB2 Titanium Boride 99.5 1 Titanium-Boride-MSDS.pdf 286 TiC Titanium Carbide 99.5 0 4.9 0 g/cc 3413 3140 °C 4820 °C 2200 0.1 2480 0.01 °C mbar 1 Titanium-Carbide-MSDS.pdf 287 TiN Titanium Nitride 99.5 5.22 g/cc 40 Å/s 250 W/in2 1 Titanium-Nitride-MSDS.pdf 288 TiO Titanium oxide 99.95 0 4.9 0 g/cc 2023 1750 °C 3000 °C 1800 0.1 2000 0.01 °C mbar 0.4 7 �µm 2.4 550 nm 1 289 TiO2 Titanium dioxide 99.9 0 4.26 0 g/cc 2048 1775 °C 2700 °C 2000 0.1 2200 0.01 °C mbar 0.4 7 �µm 2.3 550 nm 40 Å/s 250 W/in2 1 Titanium-Oxide-MSDS.pdf 290 TiSi2 Titanium Silicide 81 99.5 1 Titanium-Silicide-MSDS.pdf 291 Tl Thallium 92 99.95 6.17E+4 1/cm? 4.61E-1 W/cmK 577 304 °C 0 292 Tm Thulium 23 99.95 1.50E+4 1/cm? 1.68E-1 W/cmK 1818 1545 °C 0 293 U Uranium 99.95 19.05 g/cc 3.80E+4 1/cm? 2.76E-1 W/cmK 1405 1132 °C 1 600 eV 155 Å/s 250 W/in2 1 294 UO2 Uranium oxide 99.95 0 11 0 g/cc 2773 2500 °C 1940 0.1 2100 0.01 °C mbar 1 295 V Vanadium 99.7 0 5.96 0 g/cc 4.89E+4 1/cm? 3.07E-1 W/cmK 2173 1900 °C 3410 °C 1850 0.1 2040 0.01 °C mbar 0.7 600 eV 85 Å/s 250 W/in2 1 Vanadium-MSDS.pdf 296 V2O5 Vanadium Oxide 74 99.9 0 3.4 0 g/cc 963 690 °C 1750 °C 710 0.1 880 0.01 °C mbar 1 Vanadium-Oxide-MSDS.pdf 297 VC Vanadium carbide 99.95 0 5.8 0 g/cc 3083 2810 °C 3900 °C 2100 0.1 °C mbar 1 298 VSi2 Vanadium silicide 99.5 1 299 W Tungsten 99.95 0 19.35 0 g/cc 1.89E+5 1/cm? 1.74E+0 W/cmK 3683 3410 °C 5927 °C 3200 0.1 3480 0.01 °C mbar 0.6 600 eV 80 Å/s 250 W/in2 1 Tungsten-MSDS.pdf 300 W2C Tungsten IV Carbide 99.95 0 17.1 0 g/cc 3133 2860 °C 6000 °C 2650 0.1 2900 0.01 °C mbar 1 301 W90Ti10 Tungsten 90 Titanium 10 99.99 (Na <10 ppm) 14.6 g/cc 80 Å/s 250 W/in2 1 302 WC Tungsten Carbide 99.5 15.63 g/cc 50 Å/s 250 W/in2 1 303 WO3 Tungsten oxide 99.99 0 7.2 0 g/cc 1746 1473 °C 660 0.1 750 0.01 °C mbar 0.4 9 �µm 1.7 550 nm 1 304 WS2 Tungsten Sulfide 99.8 1 materials 305 WSe2 Tungsten selenide 99.8 1 306 WSi2 Tungsten Silicide 54 99.5 0 9.4 0 g/cc 2433 2160 °C 2200 0.1 0.01 °C mbar 1 materials 307 WTi Tungsten Titanium 39 99.95 0 14.6 0 g/cc 0 °C 0.01 1 Tungsten-Titanium-MSDS.pdf 308 Xe Xenon 99.95 5.69E-5 W/cmK 161.3 -111.7 °C 0 309 Y Yttrium 99.9 (ex. Ta) 0 4.47 0 g/cc 1.66E+4 1/cm? 1.72E-1 W/cmK 1782 1509 °C 2927 °C 1420 0.1 1560 0.01 °C mbar 0.6 600 eV 85 Å/s 250 W/in2 1 Yttrium-MSDS.pdf 310 Y-Ba-Fluoride Ytterbium barium fluoride 99.95 0 5 0 g/cc 0 °C 0.19 17 �µm 1.47 1.52 550 nm 1 311 Y2O3 Yttrium Oxide 99.9 0 5 0 g/cc 2683 2410 °C 4300 °C 2300 0.1 °C mbar 0.25 12 �µm 1.85 550 nm 1 Yttrium-Oxide-MSDS.pdf 312 Yb Ytterbium 99.95 3.51E+4 1/cm? 3.49E-1 W/cmK 1097 824 °C 0 313 Yb-Ca-Fluoride Ytterbium calcium fluoride 99.95 0 7 0 g/cc 0 °C 0.19 17 �µm 1.48 1.525 550 nm 1 314 Yb2O3 Ytterbium oxide 99.95 0 9.2 0 g/cc 2619 2346 °C 1922 0.1 2112 0.01 °C mbar 1.9 550 nm 1 315 YBa2Cu3Ox Yttrium Barium Copper Oxide 30 99.95 0 Yttrium-Barium-Copper-Oxide-MSDS.pdf 316 YBCO Yttrium Barium Copper Oxide 99.95 5.41 g/cc 10 Å/s 250 W/in2 1 317 YbF3 Ytterbium fluoride 99.95 0 8.2 0 g/cc 1430 1157 °C 2136 °C 1205 0.1 1332 0.01 °C mbar 0.22 14 �µm 1.5 550 nm 1 318 YF3 Yttrium fluoride 70 99.9 0 5.1 0 g/cc 1428 1155 °C 2210 °C 1231 0.1 1363 0.01 °C mbar 0.2 17 �µm 1.5 550 nm 1 319 Zn Zinc 0.99995 0 7.14 0 g/cc 1.66E+5 1/cm? 1.16E+0 W/cmK 693 420 °C 907 °C 340 0.1 405 0.01 °C mbar 340 Å/s 250 W/in2 1 Zinc-MSDS.pdf 320 ZnAl Zinc Aluminum 99.95 0 materials 321 ZnO Zinc Oxide 99.999 0 5.61 0 g/cc 2248 1975 °C 1210 0.1 1290 0.01 °C mbar 2 550 nm 40 Å/s 250 W/in2 1 Zinc-Oxide-MSDS.pdf 322 ZnO/Al2O3 Zinc Oxide / Aluminum Oxide 99.995 1 Zinc-Alumina-MSDS.pdf 323 ZnO/Ga2O3 Zinc Oxide / Gallium Oxide 99.95 0 materials 324 ZnO/MgO Zinc Oxide / Magnesium Oxide 99.95 0 materials 325 ZnS Zinc Sulfide 40 99.99 0 3.98 0 g/cc 2123 1850 °C 1665 °C 950 0.1 1070 0.01 °C mbar 0.4 15 �µm 2.3 550 nm 10 Å/s 250 W/in2 1 Zinc-Sulfide-MSDS.pdf 326 ZnSe Zinc Selenide 99.99 0 5.4 0 g/cc 1799 1526 °C 700 0.1 °C mbar 0.6 15 �µm 2.6 550 nm 1 Zinc-Selenide-MSDS.pdf 327 ZnTe Zinc Teluride 99.95 0 5.5 0 g/cc 1511 1238 °C 1100 0.1 °C mbar 2.8 1000 nm 1 328 Zr Zirconium 99.5 0 6.49 0 g/cc 2.36E+4 1/cm? 2.27E-1 W/cmK 2125 1852 °C 3578 °C 2370 0.1 2620 0.01 °C mbar 0.7 600 eV 85 Å/s 250 W/in2 1 Zirconium-MSDS.pdf 329 Zr-Ta-Oxide Zirconium Tantalum oxide 99.95 0 330 ZrB2 Zirconium boride 99.5 1 331 ZrC Zirconium carbide 99.5 0 6.9 0 g/cc 3813 3540 °C 5100 °C 3000 0.1 °C mbar 1 332 ZrF4 Zirconium fluoride 99.95 0 4.4 0 g/cc 873 600 °C 908 °C 535 0.1 500 0.01 °C mbar 1.6 550 nm 1 333 ZrN Zirconium Nitride 99.95 0 Zirconium-Nitride-MSDS.pdf 334 ZrO Zirconium Oxide 99.95 0 6.4 0 g/cc 2473 2200 °C 2000 0.1 2200 0.01 °C mbar 0.35 7 �µm 2.1 550 nm 1 335 ZrO2 Zirconium dioxide 99.95 0 5.6 0 g/cc 2973 2700 °C 4300 °C 2400 0.1 2600 0.01 °C mbar 0.35 7 �µm 2.1 550 nm 40 Å/s 250 W/in2 1 Zirconium-Oxide-MSDS.pdf 336 ZrO2 -5 wt% CaO Zirconium oxide-calcia stab. 99 1 337 ZrO2-Y2O3 Zirconium Oxide Yttrium Oxide 99.95 1 Zirconium-Oxide-Yttrium-Oxide-MSDS.pdf 338 ZrSi2 Zirconium silicide 99.5 1 339 ZrSiO4 Zirconium Silicate 99.95 0 Zirconium-Silicate-MSDS.pdf

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