HTE Labs - AN106 Physical properties of miscelaneous chemicals and elements
 
 
AN106 Physical properties of miscelaneous chemicals and elements
 
 

Materials and Chemical Elements

Materials and Chemical Elements
idxSymbolNameNumberPeriodGroupChem_seriesCAS_numberMassMassUnitElement_categoryGroup_period_blockStd_atomic_weightElectron_configurationElectrons per shellAppearancePhaseRhoRho_TmeltTmeltTboilTsubTriple_pointCritical_pointSpecific_heat_capacityHeat_of_fusionHeat_of_vaporizationKtRhoElEg_300KOxidation_statesElectronegativityIonization_energiesCovalent_radiusR_Van_der_WaalsCrystal_structureMagnetic_orderingVsoundThermal_expansionAtomic_radiusEyoungShear_modulusBulk_modulusMohs_hardnessPoisson_ratioVickers_hardnessBrinell_hardnessElectron_affinity
1AcActinium897Actinoid7440-34-8227.0278g/mactiniden/a, 7, f(227) g·mol−1[Rn] 6d1 7s22, 8, 18, 32, 18, 9, 2solid10 g/cc(circa) 1323 K, 1050 °C, 1922 °F3471 K, 3198 °C, 5788 °F(25 °C) 27.2 J/molK14 kJ/mol400 kJ/mol(300 K) 12 W/mK3 (neutral oxide)1.11st: 499 kJ/mol215 pmface-centered cubicno data
2AgSilver47511Transition metal7440-22-4107.8682(2)g/mtransition metals107.8682(2) g·mol−1[Kr] 4d10 5s12, 8, 18, 18, 1silver, lustrous white metalsolid10.49 g/cc9.320 g/cc1234.93 K (961.78 °C, 1763.2 °F)2435 K (2162 °C, 3924 °F)(25 °C) 25.350 J/molK11.28 kJ/mol250.58 kJ/mol(300 K) 429 W/mK(20 °C) 15.87 n Ωm1, 2, 3 (amphoteric oxide)1.931st: 731.0 kJ/mol145±5 pm172 pmface-centered cubicdiamagnetic(r.t.) 2680 m·s−1(25 °C) 18.9 µm/mK144 pm83 GPa30 GPa100 GPa2.50.37251 MPa24.5 MPa
3AlAluminium13313Poor metal7429-90-526.9815386(8)g/mpoor metal13, 3, p26.9815386(13) g·mol−1[Ne] 3s2 3p12, 8, 3solid2.70 g/cc2.375 g/cc933.47 K, 660.32 °C, 1220.58 °F2792 K, 2519 °C, 4566 °F(25 °C) 24.200 J/molK10.71 kJ/mol294.0 kJ/mol(300 K) 237 W/mK(20 °C) 28.2 nΩm3, 2, 1 (amphoteric oxide)1.611st: 577.5 kJ/mol121±4 pmface-centered cubicparamagnetic(r.t.) (rolled) 5,000 m·s−1(25 °C) 23.1 µm/mK143 pm70 GPa26 GPa76 GPa2.750.35167 MPa245 MPa
4AmAmericium957Actinoid7440-35-9243.0614g/mactiniden/a, 7, f(243) g·mol−1[Rn] 5f7 7s22, 8, 18, 32, 25, 8, 2solid12 g/cc1449 K, 1176 °C, 2149 °F2880 K, 2607 °C, 4725 °F(25 °C) 62.7 J/molK14.39 kJ/mol(300 K) 10 W/mK6, 5, 4, 3, 2 (amphoteric oxide)1.31st: 578 kJ/mol180±6 pmhexagonalno data173 pm
5ArArgon18318Noble gas7440–37–139.948(1)g/mnoble gases18, 3, p39.948(1) g·mol−1[Ne] 3s2 3p62, 8, 8gas1.784 g/L83.80 K, −189.35 °C, −308.83 °F87.30 K, −185.85 °C, −302.53 °F83.8058 K (-189°C), 69 kPa150.87 K, 4.898 MPa(25 °C) 20.786 J/molK1.18 kJ/mol6.43 kJ/mol(300 K) 17.72x10-3 W/mKno data1st: 1520.6 kJ/mol106±10 pm188 pmface-centered cubicdiamagnetic(gas, 27 °C) 323 m/s
6AsArsenic33415Metalloid7440-38-274.92160(2)g/mmetalloid15, 4, p74.92160(2) g·mol−1[Ar] 4s2 3d10 4p32, 8, 18, 5solid5.727 g/cc5.22 g/cc887 K, 615 °C, 1139 °F1090 K (817°C), 3628 kPa1673 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 nΩm5, 3, 2, 1, -3 (mildly acidic oxide)2.181st: 947.0 kJ/mol119±4 pm185 pmrhombohedraldiamagnetic119 pm8 GPa22 GPa3.51440 MPa
7AtAstatine85617Halogen7440-68-8209.9871g/mhalogens17, 6, p(210) g·mol−1[Xe] 4f14 5d10 6s2 6p52, 8, 18, 32, 18, 7solid575 K, 302 °C, 576 °F610 K, 337 °C, 639 °F40 kJ/mol(300 K) 1.7 W/mK±1, 3, 5, 72.21st: 890±40 kJ/mol150 pmno data
8AuGold79611Transition metal7440-57-5196.966569(4)g/mtransition metals196.966569(4) g·mol−1[Xe] 4f14 5d10 6s12, 8, 18, 32, 18, 1metallic yellowsolid19.30 g/cc17.31 g/cc1337.33 K (1064.18 °C, 1947.52 °F)3129 K (2856 °C, 5173 °F)(25 °C) 25.418 J/molK12.55 kJ/mol324 kJ/mol(300 K) 318 W/mK(20 °C) 22.14 n Ωm-1, 1, 2, 3, 4, 5 (amphoteric oxide)2.541st: 890.1 kJ/mol136±6 pm166 pmface centered cubicdiamagnetic(r.t.) (hard-drawn) 2030 m·s−1(25 °C) 14.2 µm/mK144 pm78 GPa27 GPa180 GPa2.50.44216 MPa? 2450 MPa
9BBoron5213Metalloid7440-42-810.811(7)g/mmetalloid13, 2, p10.811(7) g·mol−1[He] 2s2 2p12, 3solid2.08 g/cc2349 K, 2076 °C, 3769 °F4200 K, 3927 °C, 7101 °F(25 °C) 11.087 J/molK50.2 kJ/mol480 kJ/mol(300 K) 27.4 W/mK(20 °C) ~106Ωm4, 3, 2, 1 (mildly acidic oxide)2.041st: 800.6 kJ/mol84±3 pmdiamagnetic(20 °C) 16,200 m/s(25 °C) (ß form) 5–7 µm/mK90 pm~9.5
10BaBarium5662Alkaline earth metal7440-39-3137.327(7)g/malkaline earth metals2, 6, s137.33 g·mol−1[Xe] 6s22, 8, 18, 18, 8, 2solid3.51 g/cc3.338 g/cc1000 K, 727 °C, 1341 °F2170 K, 1897 °C, 3447 °F(25 °C) 28.07 J/molK7.12 kJ/mol140.3 kJ/mol(300 K) 18.4 W/mK(20 °C) 332 nΩm2 (strongly basic oxide)0.891st: 502.9 kJ/mol215±11 pmbody-centered cubicparamagnetic(20 °C) 1620 m/s(25 °C) 20.6 µm/mK222 pm13 GPa4.9 GPa9.6 GPa1.25
11BeBeryllium422Alkaline earth metal7440-41-79.012182(3)g/malkaline earth metal2, 2, s9.012182(3) g·mol−11s2 2s22, 2solid1.85 g/cc1.690 g/cc1560 K, 1287 °C, 2349 °F2742 K, 2469 °C, 4476 °F(25 °C) 16.443 J/molK7.895 kJ/mol297 kJ/mol(300 K) 200 W/mK3, 2, 1 (amphoteric oxide)1.571st: 899.5 kJ/mol96±3 pmhexagonaldiamagnetic(r.t.) 12870 m·s−1(25 °C) 11.3 µm/mK112 pm287 GPa132 GPa130 GPa5.50.0321670 MPa600 MPa
12BhBohrium10777Transition metal54037-14-8273g/mtransition metals[270] g·mol−1[Rn] 5f14 6d5 7s22, 8, 18, 32, 32, 13, 2presumably a solid7unknown
13BiBismuth83615Poor metal7440-69-9208.98040(1)g/mpoor metals15, 6, p208.98040(1) g·mol−1[Xe] 4f14 5d10 6s2 6p32, 8, 18, 32, 18, 5solid9.78 g/cc10.05 g/cc544.7 K, 271.5 °C, 520.7 °F1837 K, 1564 °C, 2847 °F(25 °C) 25.52 J/molK11.30 kJ/mol151 kJ/mol(300 K) 7.97 W/mK(20 °C) 1.29x10^-6Ωm3, 5 (mildly acidic oxide)2.021st: 703 kJ/mol148±4 pmrhombohedraldiamagnetic(20 °C) 1790 m/s(25 °C) 13.4 µm/mK156 pm32 GPa12 GPa31 GPa2.250.3394.2 MPa
14BkBerkelium977Actinoid7440-40-6247.0703g/mactiniden/a, 7, f(247) g·mol−1[Rn] 5f9 7s22, 8, 18, 32, 27, 8, 2solid(beta) 13.25 g/cc(beta) 1259 K, 986 °C, 1807 °F(300 K) 10 W/mK3, 41.31st: 601 kJ/molhexagonal close-packedno data170 pm
15BrBromine35417Halogen7726-95-679.904(1)g/mhalogens79.904(1) g·mol−1[Ar] 4s2 3d10 4p52, 8, 18, 7gas/liquid: red-brown solid: metallic lusterliquid(Br2, liquid) 3.1028 g/cc265.8 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 Ωm7, 5, 4, 3, 1, -1 (strongly acidic oxide)2.961st: 1139.9 kJ/mol120±3 pm185 pmorthorhombicdiamagnetic(20 °C) 206 m/s120 pm
16CCarbon6214Nonmetal7440-44-012.0107(8)g/mnonmetal14, 2, p12.0107 g·mol−11s2 2s2 2p22,4Soliddiamond: 3.515 g/cc3915 K, 3642 °C, 6588 °F4600 K (4327°C), 10800 kPa(25 °C) 8.517(graphite), 6.155(diamond) J/molK117 (graphite) kJ/mol(300 K) 119-165 (graphite) 900-2300 (diamond) W/mK4, 3 , 2, 1 , 0, -1, -2, -3, -42.551st: 1086.5 kJ/mol77(sp³), 73(sp²), 69(sp) pm170 pmdiamagnetic(20 °C) 18350 (diamond) m/s(25 °C) 0.8 (diamond) µm/mK1050 (diamond) GPa478 (diamond) GPa442 (diamond) GPa1-2 (Graphite) 10 (Diamond)0.1 (diamond)
17CaCalcium2042Alkaline earth metal7440-70-240.078(4)g/malkaline earth metal2, 4, s40.078(4) g·mol−1[Ar] 4s22, 8, 8, 2solid1.55 g/cc1.378 g/cc1115 K, 842 °C, 1548 °F1757 K, 1484 °C, 2703 °F(25 °C) 25.929 J/molK8.54 kJ/mol154.7 kJ/mol(300 K) 201 W/mK(20 °C) 33.6 nΩm2 (strongly basic oxide)11st: 589.8 kJ/mol176±10 pmface-centered cubicdiamagnetic(20 °C) 3810 m/s(25 °C) 22.3 µm/mK197 pm20 GPa7.4 GPa17 GPa1.750.31167 MPa
18CdCadmium48512Transition metal7440-43-9112.411(8)g/mtransition metals112.411(8) g·mol−1[Kr] 5s2 4d102, 8, 18, 18, 2silvery gray metallicsolid8.65 g/cc7.996 g/cc594.22 K (321.07 °C, 609.93 °F)1040 K (767 °C, 1413 °F)(25 °C) 26.020 J/molK6.21 kJ/mol99.87 kJ/mol(300 K) 96.6 W/mK(22 °C) 72.7 nΩm2, 1 (mildly basic oxide)1.691st: 867.8 kJ/mol144±9 pm158 pmhexagonaldiamagnetic(20 °C) 2310 m/s(25 °C) 30.8 µm/mK151 pm50 GPa19 GPa42 GPa20.3203 MPa
19CeCerium586Lanthanoid7440-45-1140.116(1)g/mlanthanides140.116(1) g·mol−1[Xe] 4f1 5d1 6s22, 8, 18, 19, 9, 2silvery whitesolid6.770 g/cc6.55 g/cc1068 K (795 °C, 1463 °F)3716 K (3443 °C, 6229 °F)(25 °C) 26.94 J/molK5.46 kJ/mol398 kJ/mol(300 K) 11.3 W/mK(r.t.) (β, poly) 828 nΩm4, 3, 2 (mildly basic oxide)1.121st: 534.4 kJ/mol204±9 pmface-centered cubicparamagnetic(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 GPa2.5(γ form) 0.24270 MPa412 MPa
20CfCalifornium987Actinoid7440-71-3251.0796g/mactinides(251) g·mol−1[Rn] 5f10 7s22, 8, 18, 32, 28, 8, 2silverysolid15.1 g/cc1173 K (900 °C, 1652 °F)1743 K (1470 °C, 2678 °F)2, 3, 41.31st: 608 kJ/mol
21ClChlorine17317Halogen7782-50-535.453(2)g/mHalogen17, 3, p35.453(2) g·mol−1[Ne] 3s2 3p52, 8, 7gas3.2 g/L171.6 K, -101.5 °C, -150.7 °F239.11 K, -34.4 °C, -29.27 °F416.9 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 Ωm7, 6, 5, 4, 3, 2, 1, -1 (strongly acidic oxide)3.161st: 1251.2 kJ/mol102±4 pm175 pmorthorhombicdiamagnetic(gas, 0 °C) 206 m/s
22CmCurium967Actinoid7440-51-9247.0704g/mactinides(247) g·mol−1[Rn] 5f7 6d1 7s22, 8, 18, 32, 25, 9, 2silverysolid13.51 g/cc1613 K (1340 °C, 2444 °F)3383 K (3110 °C, 5630 °F)? 15 kJ/mol4, 3 (amphoteric oxide)1.31st: 581 kJ/mol169±3 pmhexagonal close-packedno data174 pm
23CoCobalt2749Transition metal7440-48-458.933195(5)g/mtransition metal9, 4, d58.933195(5) g·mol−1[Ar] 4s2 3d72, 8, 15, 2metallic gray8.90 g/cc7.75 g/cc1768 K, 1495 °C, 2723 °F3200 K, 2927 °C, 5301 °F(25 °C) 24.81 J/molK16.06 kJ/mol377 kJ/mol(300 K) 100 W/mK(20 °C) 62.4 nΩm5, 4 , 3, 2, 1 , -1 (amphoteric oxide)1.881st: 760.4 kJ/mol126±3 (low spin), 150±7 (high spin) pmhexagonalferromagnetic(20 °C) 4720 m/s(25 °C) 13.0 µm/mK125 pm209 GPa75 GPa180 GPa50.311043 MPa700 MPa
24CrChromium2446Transition metal7440-47-351.9961(6)g/mtransition metal6, 4, d51.9961(6) g·mol−1[Ar] 3d5 4s12, 8, 13, 1solid7.19 g/cc6.3 g/cc2180 K, 1907 °C, 3465 °F2944 K, 2671 °C, 4840 °F(25 °C) 23.35 J/molK21.0 kJ/mol339.5 kJ/mol(300 K) 93.9 W/mK(20 °C) 125 nΩm6, 5, 4, 3, 2, 1, -1, -2 (strongly acidic oxide)1.661st: 652.9 kJ/mol139±5 pmbody-centered cubicAFM (rather: SDW)(20 °C) 5940 m/s(25 °C) 4.9 µm/mK128 pm279 GPa115 GPa160 GPa8.50.211060 MPa1120 MPa
25CsCaesium5561Alkali metal7440-46-2132.9054519(2)g/malkali metals132.9054519(2) g·mol−1[Xe] 6s12, 8, 18, 18, 8, 1silvery goldsolid1.93 g/cc1.843 g/cc301.59 K (28.44 °C, 83.19 °F)944 K (671 °C, 1240 °F)1938 K, 9.4 MPa(25 °C) 32.210 J/molK2.09 kJ/mol63.9 kJ/mol(300 K) 35.9 W/mK(20 °C) 205 n Ωm1 (strongly basic oxide)0.791st: 375.7 kJ/mol244±11 pmbody centered cubicparamagnetic(25 °C) 97 µm/mK265 pm1.7 GPa1.6 GPa0.20.14 MPa
26CuCopper29411Transition metal7440-50-863.546(3)g/mtransition metal11, 4, d63.546(3) g·mol−1[Ar] 3d10 4s12, 8, 18, 1solid8.94 g/cc8.02 g/cc1357.77 K, 1084.62 °C, 1984.32 °F2835 K, 2562 °C, 4643 °F(25 °C) 24.440 J/molK13.26 kJ/mol300.4 kJ/mol(300 K) 401 W/mK(20 °C) 16.78 nΩm+1, +2, +3, +4 (mildly basic oxide)1.91st: 745.5 kJ/mol132±4 pm140 pmface-centered cubicdiamagnetic(r.t.) (annealed) 3810 m·s−1(25 °C) 16.5 µm/mK128 pm110–128 GPa48 GPa140 GPa30.34369 MPa874 MPa
27DbDubnium10575Transition metal53850-35-4268g/mtransition metals[268] g·mol−1[Rn] 5f14 6d3 7s22, 8, 18, 32, 32, 11, 2unknown, probably silvery white or metallic graypresumably a solidunknown g/cc5unknown pmunknownunknown pm
28DsDarmstadtium110710Transition metal54083-77-1278g/mtransition metals[281] g·mol−1[Rn] 5f14 6d9 7s12, 8, 18, 32, 32, 17, 1unknown, probably silvery white or metallic graypresumably a solid
29DyDysprosium666Lanthanoid7429-91-6162.500(1)g/mlanthanides162.500(1) g·mol−1[Xe] 4f10 6s22, 8, 18, 28, 8, 2silvery whitesolid8.540 g/cc8.37 g/cc1680 K (1407 °C, 2565 °F)2840 K (2562 °C, 4653 °F)(25 °C) 27.7 J/molK11.06 kJ/mol280 kJ/mol(300 K) 10.7 W/mK(r.t.) (α, poly) 926 nΩm3, 2 (weakly basic oxide)1.221st: 573.0 kJ/mol192±7 pmhexagonalparamagnetic 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) 0.247540 MPa500 MPa
30ErErbium686Lanthanoid7440-52-0167.259(3)g/mlanthanides167.259(3) g·mol−1[Xe] 4f12 6s22, 8, 18, 30, 8, 2silvery whitesolid9.066 g/cc8.86 g/cc1802 K (1529 °C, 2784 °F)3141 K (2868 °C, 5194 °F)(25 °C) 28.12 J/molK19.90 kJ/mol280 kJ/mol(300 K) 14.5 W/mK(r.t.) (poly) 0.860 µΩm3 (basic oxide)1.241st: 589.3 kJ/mol189±6 pmhexagonalparamagnetic at 300 K(20 °C) 2830 m/s(r.t.) (poly) 12.2 µm/(m·K)176 pm69.9 GPa28.3 GPa44.4 GPa0.237589 MPa814 MPa
31EsEinsteinium997Actinoid7429-92-7252.0829g/mactinides(252) g·mol−1[Rn] 5f11 7s22, 8, 18, 32, 29, 8, 2silver-colouredsolid8.84 g/cc1133 K (860 °C, 1580 °F)2, 3, 41.31st: 619 kJ/molno data
32EuEuropium636Lanthanoid7440-53-1151.964(1)g/mlanthanides151.964(1) g·mol−1[Xe] 4f7 6s22, 8, 18, 25, 8, 2silvery whitesolid5.264 g/cc5.13 g/cc1099 K (826 °C, 1519 °F)1802 K (1529 °C, 2784 °F)(25 °C) 27.66 J/molK9.21 kJ/mol176 kJ/mol(300 K) est. 13.9 W/mK(r.t.) (poly) 0.900 µΩm3, 2 (mildly basic oxide)? 1.21st: 547.1 kJ/mol198±6 pmsimple cubic (body centered)paramagnetic(r.t.) (poly) 35.0 µm/(m·K)180 pm18.2 GPa7.9 GPa8.3 GPa0.152167 MPa
33FFluorine9217Halogen7782-41-418.9984032(5)g/mhalogen17, 2, p18.9984032(5) g·mol−11s2 2s2 2p52, 7gas1.7 g/L53.53 K, −219.62 °C, −363.32 °F85.03 K, −188.12 °C, −306.62 °F144.13 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)3.981st: 1681.0 kJ/mol57±3 pm (see covalent radius of fluorine)147 pmcubicnonmagnetic
34FeIron2648Transition metal7439-89-655.845(2)g/mtransition metal8, 4, d55.845(2) g·mol−1[Ar] 3d6 4s22, 8, 14, 2solid7.874 g/cc6.98 g/cc1811 K, 1538 °C, 2800 °F3134 K, 2862 °C, 5182 °F(25 °C) 25.10 J/molK13.81 kJ/mol340 kJ/mol(300 K) 80.4 W/mK(20 °C) 96.1 nΩm1.831st: 762.5 kJ/mol132±3 (low spin), 152±6 (high spin) pmferromagnetic(r.t.) (electrolytic) 5120 m·s−1(25 °C) 11.8 µm/mK126 pm211 GPa82 GPa170 GPa40.29608 MPa490 MPa
35FmFermium1007Actinoid7440-72-4257.0951g/mactinides(257) g·mol−1[Rn] 5f12 7s22, 8, 18, 32, 30, 8, 2unknown, probably silvery white or metallic graysolid1800 K (1527 °C, 2781 °F)2, 31.31st: 627 kJ/mol
36FrFrancium8771Alkali metal7440-73-5223.0197g/malkali metals(223) g·mol−1[Rn] 7s12, 8, 18, 32, 18, 8, 1metallicsolid1.87 g/cc? 300 K (? 27 °C, ? 80 °F)? 950 K (? 677 °C, ? 1250 °F)ca. 2 kJ/molca. 65 kJ/mol(300 K) 15 W/mK3 µΩm1 (strongly basic oxide)0.71st: 380 kJ/mol260 pmbody centered cubicParamagnetic
37GaGallium31413Poor metal7440-55-369.723(1)g/mpoor metal13, 4, d69.723(1) g·mol−1[Ar] 3d10 4s2 4p12, 8, 18, 3solid5.91 g/cc6.095 g/cc302.9146 K, 29.7646 °C, 85.5763 °F2477 K, 2204 °C, 3999 °F(25 °C) 25.86 J/molK5.59 kJ/mol254 kJ/mol(300 K) 40.6 W/mK(20 °C) 270Ωm3, 2, 1 (amphoteric oxide)1.811st: 578.8 kJ/mol122±3 pm187 pmorthorhombicdiamagnetic(20 °C) 2740 m/s(25 °C) 1.2 µm/mK135 pm9.8 GPa1.50.4760 MPa
38GdGadolinium646Lanthanoid7440-54-2157.25(3)g/mlanthanides157.25(3) g·mol−1[Xe] 4f7 5d1 6s22, 8, 18, 25, 9, 2silvery whitesolid7.90 g/cc7.4 g/cc1585 K (1312 °C, 2394 °F)3546 K (3273 °C, 5923 °F)(25 °C) 37.03 J/molK10.05 kJ/mol301.3 kJ/mol(300 K) 10.6 W/mK(r.t.) (α, poly) 1.310 µΩm1, 2, 3 (mildly basic oxide)1.21st: 593.4 kJ/mol196±6 pmhexagonalferromagnetic/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) 0.259570 MPa
39GeGermanium32414Metalloid7440-56-472.64(1)g/mmetalloids72.64(1) g·mol−1[Ar] 3d10 4s2 4p22, 8, 18, 4grayish whitesolid5.323 g/cc5.60 g/cc1211.40 K (938.25 °C, 1720.85 °F)3106 K (2833 °C, 5131 °F)(25 °C) 23.222 J/molK36.94 kJ/mol334 kJ/mol(300 K) 60.2 W/mK(20 °C) 1 Ωm4, 3, 2, 1, 0, -1, -2, -3, -4 (amphoteric oxide)2.011st: 762 kJ/mol122 pmDiamond cubicDiamagnetic(20 °C) 5400 m/s(25 °C) 6.0 µm/mK122 pm103 GPa41 GPa75 GPa60.26MPaMPa
40HHydrogen111Nonmetal1333-74-01.00794(7)g/mnonmetal1, 1, s1.00794(7) g·mol−11s11colorlessgas0.08988 g/L14.01 K, -259.14 °C, -434.45 °F20.28 K, -252.87 °C, -423.17 °F13.8033 K (-259°C), 7.042 kPa32.97 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/mK1, -1 (amphoteric oxide)2.21st: 1312.0 kJ/mol31±5 pm120 pmhexagonaldiamagnetic(gas, 27 °C) 1310 m/s
41HeHelium2118Noble gas7440-59-74.002602(2)g/mnoble gases18, 1, s4.002602(2) g·mol−11s22gas0.1786 g/L(at 2.5 MPa) 0.95 K, −272.20 °C, −457.96 °F4.22 K, −268.93 °C, −452.07 °F5.19 K, 0.227 MPa(25 °C) 20.786 J/molK0.0138 kJ/mol0.0829 kJ/mol(300 K) 0.1513 W/mKno data1st: 2372.3 kJ/mol28 pm140 pmhexagonal close-packeddiamagnetic(25 °C) µm/mK
42HfHafnium7264Transition metal7440-58-6178.49(2)g/mtransition metals178.49(2) g·mol−1[Xe] 4f14 5d2 6s22, 8, 18, 32, 10, 2steel greysolid13.31 g/cc12 g/cc2506 K (2233 °C, 4051 °F)4876 K (4603 °C, 8317 °F)(25 °C) 25.73 J/molK27.2 kJ/mol571 kJ/mol(300 K) 23.0 W/mK(20 °C) 331 n Ωm4, 3, 2 (amphoteric oxide)1.31st: 658.5 kJ/mol175±10 pmhexagonalparamagnetic(20 °C) 3010 m/s(25 °C) 5.9 µm/mK159 pm78 GPa30 GPa110 GPa5.50.371760 MPa1700 MPa
43HgMercury80612Transition metal7439-97-6200.59(2)g/mtransition metal12, 6, d200.59(2) g·mol−1[Xe] 4f14 5d10 6s22, 8, 18, 32, 18, 2liquid(liquid) 13.534 g/cc234.32 K, -38.83 °C, -37.89 °F629.88 K, 356.73 °C, 674.11 °F1750 K, 172.00 MPa(25 °C) 27.983 J/molK2.29 kJ/mol59.11 kJ/mol(300 K) 8.30 W/mK(25 °C) 961nΩm4, 2 (mercuric), 1 (mercurous) (mildly basic oxide)21st: 1007.1 kJ/mol132±5 pm155 pmrhombohedraldiamagnetic(liquid, 20 °C) 1451.4 m/s(25 °C) 60.4 µm/mK151 pm
44HoHolmium676Lanthanoid7440-60-0164.93032(2)g/mlanthanides164.93032(2) g·mol−1[Xe] 4f11 6s22, 8, 18, 29, 8, 2silvery whitesolid8.79 g/cc8.34 g/cc1734 K (1461 °C, 2662 °F)2993 K (2720 °C, 4928 °F)(25 °C) 27.15 J/molK17.0 kJ/mol265 kJ/mol(300 K) 16.2 W/mK(r.t.) (poly) 814 nΩm3 (basic oxide)1.231st: 581.0 kJ/mol192±7 pmhexagonalparamagnetic(20 °C) 2760 m/s(r.t.) (poly) 11.2 µm/(m·K)176 pm64.8 GPa26.3 GPa40.2 GPa0.231481 MPa746 MPa
45HsHassium10878Transition metal54037-57-9276g/mtransition metals[277] g·mol−1[Rn] 5f14 6d6 7s22, 8, 18, 32, 32, 14, 2unknown, probably silvery white or metallic graypresumably a solid8unknown
46IIodine53517Halogen7553-56-2126.90447(3)g/mhalogens126.90447(3) g·mol−1[Kr] 4d10 5s2 5p52, 8, 18, 18, 7solid violet-dark gray, lustrous violet gassolid4.933 g/cc386.85 K (113.7 °C, 236.66 °F)457.4 K (184.3 °C, 363.7 °F)386.65 K, 12.1×103 Pa819 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 Ωm7, 5, 3, 1, -1 (strongly acidic oxide)2.661st: 1008.4 kJ/mol139±3 pm198 pmorthorhombicdiamagnetic140 pm7.7 GPa
47InIndium49513Poor metal7440-74-6114.818(3)g/mpoor metals114.818(3) g·mol−1[Kr] 4d10 5s2 5p12, 8, 18, 18, 3silvery lustrous graysolid7.31 g/cc7.02 g/cc429.7485 K (156.5985 °C, 313.8773 °F)2345 K (2072 °C, 3762 °F)(25 °C) 26.74 J/molK3.281 kJ/mol231.8 kJ/mol(300 K) 81.8 W/mK(20 °C) 83.7 n Ωm3, 2, 1 (amphoteric oxide)1.781st: 558.3 kJ/mol142±5 pm193 pmtetragonaldiamagnetic(20 °C) 1215 m/s(25 °C) 32.1 µm/mK167 pm11 GPa1.28.83 MPa
48IrIridium7769Transition metal7439-88-5192.217(3)g/mtransition metals192.217(3) g·mol−1[Xe] 4f14 5d7 6s22, 8, 18, 32, 15, 2silvery whitesolid22.56 g/cc19 g/cc2739 K (2466 °C, 4471 °F)4701 K (4428 °C, 8002 °F)(25 °C) 25.10 J/molK41.12 kJ/mol563 kJ/mol(300 K) 147 W/mK(20 °C) 47.1 n Ωm−3,−1, 0, 1, 2, 3, 4, 5, 62.21st: 880 kJ/mol141±6 pmface centered cubicparamagnetic(20 °C) 4825 m/s(25 °C) 6.4 µm/mK136 pm528 GPa210 GPa320 GPa6.50.261760 MPa1670 MPa
49KPotassium1941Alkali metal7440-09-739.0983(1)g/malkali metal1, 4, s39.0983(1) g·mol−1[Ar] 4s12, 8, 8, 1solid0.89 g/cc0.828 g/cc336.53 K, 63.38 °C, 146.08 °F1032 K, 759 °C, 1398 °F336.35 K (63°C), kPa(25 °C) 29.6 J/molK2.33 kJ/mol76.9 kJ/mol(300 K) 102.5 W/mK1 (strongly basic oxide)0.821st: 418.8 kJ/mol203±12 pm275 pmbody-centered cubicparamagnetic(20 °C) 2000 m/s(25 °C) 83.3 µm/mK227 pm3.53 GPa1.3 GPa3.1 GPa0.40.363 MPa
50KrKrypton36418Noble gas7439-90-983.798(2)g/mnoble gases83.798(2) g·mol−1[Ar] 3d10 4s2 4p62, 8, 18, 8colorless gasgas3.749 g/L115.79 K (-157.36 °C, -251.25 °F)119.93 K (-153.22 °C, -244.12 °F)115.775 K, 73.2 kPa209.41 K, 5.50 MPa(25 °C) 20.786 J/molK1.64 kJ/mol9.08 kJ/mol(300 K) 9.43x10-3 W/mK4, 231st: 1350.8 kJ/mol116±4 pm202 pmcubic face centereddiamagnetic(liquid) 1120 m/s
51LaLanthanum576Lanthanoid7439-91-0138.90547(7)g/mlanthanides138.90547(7) g·mol−1[Xe] 5d1 6s22, 8, 18, 18, 9, 2silvery whitesolid6.162 g/cc5.94 g/cc1193 K (920 °C, 1688 °F)3737 K (3464 °C, 6267 °F)(25 °C) 27.11 J/molK6.20 kJ/mol402.1 kJ/mol(300 K) 13.4 W/mK(r.t.) (α, poly) 615 nΩm3, 2 (strongly basic oxide)1.11st: 538.1 kJ/mol207±8 pmhexagonalparamagnetic(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 GPa2.5(α form) 0.280491 MPa363 MPa
52LiLithium321Alkali metal7439-93-26.941(2)g/malkali metal1, 2, s6.941(2) g·mol−11s2 2s12, 1solid0.534 g/cc0.512 g/cc453.69 K, 180.54 °C, 356.97 °F1615 K, 1342 °C, 2448 °F(extrapolated) 3223 K, 67 MPa(25 °C) 24.860 J/molK3.00 kJ/mol147.1 kJ/mol(300 K) 84.8 W/mK(20 °C) 92.8 nΩm+1, -1 (strongly basic oxide)0.981st: 520.2 kJ/mol128±7 pm182 pmbody-centered cubicparamagnetic(20 °C) 6000 m/s(25 °C) 46 µm/mK152 pm4.9 GPa4.2 GPa11 GPa0.6
53LrLawrencium10373Actinoid22537-19-5264g/mtransition metals[262] g·mol−1[Rn] 5f14 7s2 7p12, 8, 18, 32, 32, 8, 3unknown, probably silvery white or metallic graypresumably a solid31st: 443.8 kJ/mol
54LuLutetium7163Lanthanoid7439-94-3174.9668(1)g/mtransition metals174.967(1) g·mol−1[Xe] 6s2 4f14 5d12, 8, 18, 32, 9, 2silvery whitesolid9.841 g/cc9.3 g/cc1925 K (1652 °C, 3006 °F)3675 K (3402 °C, 6156 °F)(25 °C) 26.86 J/molKca. 22 kJ/mol414 kJ/mol(300 K) 16.4 W/mK(r.t.) (poly) 582 nΩm3 (weakly basic oxide)1.271st: 523.5 kJ/mol187±8 pmhexagonalparamagnetic(r.t.) (poly) 9.9 µm/(m·K)174 pm68.6 GPa27.2 GPa47.6 GPa0.2611160 MPa893 MPa
55MdMendelevium1017Actinoid7440-11-1258.0986g/mactinides(258) g·mol−1[Rn] 5f13 7s22, 8, 18, 32, 31, 8, 2unknown, probably silvery white or metallic graysolid1100 K (827 °C, 1521 °F)2, 31.31st: 635 kJ/molno data
56MgMagnesium1232Alkaline earth metal7439-95-424.3050(6)g/malkaline earth metal2, 3, s24.3050(6) g·mol−1[Ne] 3s22, 8, 2solid1.738 g/cc1.584 g/cc923 K, 650 °C, 1202 °F1363 K, 1091 °C, 1994 °F(25 °C) 24.869 J/molK8.48 kJ/mol128 kJ/mol(300 K) 156 W/mK(20 °C) 43.9 nΩm2, 1 (strongly basic oxide)1.311st: 737.7 kJ/mol141±7 pm173 pmhexagonalparamagnetic(r.t.) (annealed) 4940 m·s−1(25 °C) 24.8 µm/mK160 pm45 GPa17 GPa45 GPa2.50.29260 MPa
57MnManganese2547Transition metal7439-96-554.938045(5)g/mtransition metal7, 4, d54.938045(5) g·mol−1[Ar] 4s2 3d52, 8, 13, 2solid7.21 g/cc5.95 g/cc1519 K, 1246 °C, 2275 °F2334 K, 2061 °C, 3742 °F(25 °C) 26.32 J/molK12.91 kJ/mol221 kJ/mol(300 K) 7.81 W/mK(20 °C) 1.44 µΩm7, 6, 5, 4, 3, 2, 1, -1, -2, -3 (oxides: acidic, basic or amphoteric depending on the oxidation state)1.551st: 717.3 kJ/mol139±5 (low spin), 161±8 (high spin) pmcubicparamagnetic(20 °C) 5150 m/s(25 °C) 21.7 µm/mK127 pm198 GPa120 GPa6196 MPa
58MoMolybdenum4256Transition metal7439-98-795.96(2)g/mtransition metals95.94(2) g·mol−1[Kr] 4d5 5s12, 8, 18, 13, 1gray metallicsolid10.28 g/cc9.33 g/cc2896 K (2623 °C, 4753 °F)4912 K (4639 °C, 8382 °F)(25 °C) 24.06 J/molK37.48 kJ/mol617 kJ/mol(300 K) 138 W/mK(20 °C) 53.4 n Ωm6, 5, 4, 3, 2, 1, -1, -2 (strongly acidic oxide)2.161st: 684.3 kJ/mol154±5 pmbody centered cubicparamagnetic(r.t.) 5400 m·s−1(25 °C) 4.8 µm/mK139 pm329 GPa126 GPa230 GPa5.50.311530 MPa1500 MPa
59MtMeitnerium10979Transition metal54038-01-6279g/mtransition metals[276] g·mol−1[Rn] 5f14 6d7 7s22, 8, 18, 32, 32, 15, 2probably light silver green metallicpresumably a solid
60NNitrogen7215Nonmetal7727-37-914.0067(2)g/mnonmetal15, 2, p14.0067(2) g·mol−11s2 2s2 2p32, 5gas1.251 g/L63.153 K, -210.00 °C, -346.00 °F77.36 K, -195.79 °C, -320.3342 °F63.1526 K (-210°C), 12.53 kPa126.19 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/mK5, 4, 3, 2, 1, -1, -2, -3 (strongly acidic oxide)3.041st: 1402.3 kJ/mol71±1 pm155 pmhexagonaldiamagnetic(gas, 27 °C) 353 m/s
61NaSodium1131Alkali metal7440-23-522.98976928(2)g/malkali metal1, 3, s22.98976928(2) g·mol−1[Ne] 3s12,8,1solid0.968 g/cc0.927 g/cc370.87 K, 97.72 °C, 207.9 °F1156 K, 883 °C, 1621 °F(extrapolated) 2573 K, 35 MPa(25 °C) 28.230 J/molK2.60 kJ/mol97.42 kJ/mol(300 K) 142 W/mK(20 °C) 47.7 nΩm+1, -1 (strongly basic oxide)0.931st: 495.8 kJ/mol166±9 pm227 pmbody-centered cubicparamagnetic(20 °C) 3200 m/s(25 °C) 71 µm/mK186 pm10 GPa3.3 GPa6.3 GPa0.50.69 MPa
62NbNiobium4155Transition metal7440-03-192.90638(2)g/mtransition metals92.90638(2) g·mol−1[Kr] 4d4 5s12, 8, 18, 12, 1gray metallicsolid8.57 g/cc2750 K (2477 °C, 4491 °F)5017 K (4744 °C, 8571 °F)(25 °C) 24.60 J/molK30 kJ/mol689.9 kJ/mol(300 K) 53.7 W/mK(0 °C) 152 nΩm5, 4, 3, 2, -1 (mildly acidic oxide)1.61st: 652.1 kJ/mol164±6 pmbody centered cubicparamagnetic(20 °C) 3480 m/s(25 °C) 7.3 µm/mK146 pm105 GPa38 GPa170 GPa60.41320 MPa736 MPa
63NdNeodymium606Lanthanoid7440-00-8144.242(3)g/mlanthanides144.242(3) g·mol−1[Xe] 4f4 6s22, 8, 18, 22, 8, 2silvery white, yellowish tingesolid7.01 g/cc6.89 g/cc1297 K (1024 °C, 1875 °F)3347 K (3074 °C, 5565 °F)(25 °C) 27.45 J/molK7.14 kJ/mol289 kJ/mol(300 K) 16.5 W/mK(r.t.) (α, poly) 643 nΩm3, 2 (mildly basic oxide)1.141st: 533.1 kJ/mol201±6 pmhexagonalparamagnetic, 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) 0.281343 MPa265 MPa
64NeNeon10218Noble gas7440-01-920.1797(6)g/mnoble gases18, 2, p20.1797(6) g·mol−11s2 2s2 2p62, 8gas0.9002 g/L24.56 K, -248.59 °C, -415.46 °F27.07 K, -246.08 °C, -410.94 °F24.5561 K (-249°C), 43 kPa44.4 K, 2.76 MPa(25 °C) 20.786 J/molK0.335 kJ/mol1.71 kJ/mol(300 K) 49.1x10-3 W/mKno data1st: 2080.7 kJ/mol58 pm154 pmface-centered cubicdiamagnetic(gas, 0 °C) 435 m/s654 GPa
65NiNickel28410Transition metal7440-02-058.6934(4)g/mtransition metal10, 4, d58.6934(2) g·mol−1[Ar] 4s1 3d92, 8, 17, 1solid8.908 g/cc7.81 g/cc1728 K, 1453 °C, 2651 °F3186 K, 2732 °C, 5275 °F(25 °C) 26.07 J/molK17.48 kJ/mol377.5 kJ/mol(300 K) 90.9 W/mK(20 °C) 69.3 nΩm4, 3, 2, 1 , -1 (mildly basic oxide)1.911st: 737.1 kJ/mol124±4 pm163 pmface-centered cubicferromagnetic(r.t.) 4900 m·s−1(25 °C) 13.4 µm/mK124 pm200 GPa76 GPa180 GPa40.31638 MPa700 MPa
66NoNobelium1027Actinoid10028-14-5259.1009g/mactinides[259] g·mol−1[Rn] 5f14 7s22, 8, 18, 32, 32, 8, 2unknown, probably metallicsolid2, 3(Pauling scale)1st: 641.6 kJ/mol
67NpNeptunium937Actinoid7439-99-8237.0482g/mactinides(237) g·mol−1[Rn] 5f4 6d1 7s22, 8, 18, 32, 22, 9, 2silvery metallicsolid20.45 g/cc910 K (637 °C, 1179 °F)4273 K (4000 °C, 7232 °F)(25 °C) 29.46 J/molK3.20 kJ/mol336 kJ/mol(300 K) 6.3 W/mK(22 °C) 1.220 µΩm7, 6, 5, 4, 3 (amphoteric oxide)1.361st: 604.5 kJ/mol190±1 pm3 forms: orthorhombic, tetragonal and cubicparamagnetic155 pm
68OOxygen8216Nonmetal7782-44-715.9994(3)g/mnonmetal, chalcogens16, 2, p15.9994(3) g·mol−11s2 2s2 2p42, 6gas1.429 g/L54.36 K, -218.79 °C, -361.82 °F90.20 K, -182.95 °C, -297.31 °F154.59 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/mK2, 1, −1, −2 (neutral oxide)3.441st: 1313.9 kJ/mol66±2 pm152 pmcubicparamagnetic(gas, 27 °C) 330 m/s
69OsOsmium7668Transition metal7440-04-2190.23(3)g/mtransition metals190.23(3) g·mol−1[Xe] 4f14 5d6 6s22, 8, 18, 32, 14, 2silvery, blue castsolid22.61 g/cc20 g/cc3306 K (3033 °C, 5491 °F)5285 K (5012 °C, 9054 °F)(25 °C) 24.7 J/molK57.85 kJ/mol738 kJ/mol(300 K) 87.6 W/mK(0 °C) 81.2 nΩm8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2 (mildly acidic oxide)2.21st: 840 kJ/mol144±4 pmhexagonalparamagnetic(20 °C) 4940 m/s(25 °C) 5.1 µm/mK135 pm222 GPa462 GPa70.253920 MPa
70PPhosphorus15315Nonmetal7723-14-030.973762(2)g/mnonmetal15, 3, p30.973762(2) g·mol−1[Ne] 3s2 3p32, 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/mK5, 4, 3, 2, 1 , -1, -2, -3 (mildly acidic oxide)2.191st: 1011.8 kJ/mol107±3 pm180 pm(white,red,violet,black) diamagnetic(white) 5, (red) 11 GPa
71PaProtactinium917Actinoid7440-13-3231.03588(2)g/mactinides231.03588(2) g·mol−1[Rn] 7s2 6d1 5f22, 8, 18, 32, 20, 9, 2bright, silvery metallic lustersolid15.37 g/cc1841 K (1568 °C, 2854 °F)? 4300 K (? 4027 °C, ? 7280 °F)12.34 kJ/mol481 kJ/mol(300 K) 47 W/mK(0 °C) 177 nΩm2, 3, 4, 5 (weakly basic oxide)1.51st: 568 kJ/mol200 pmorthorhombicparamagnetic163 pm
72PbLead82614Poor metal7439-92-1207.2(1)g/mPost-transition metals207.2(1) g·mol−1[Xe] 4f14 5d10 6s2 6p22, 8, 18, 32, 18, 4bluish graysolid11.34 g/cc10.66 g/cc600.61 K (327.46 °C, 621.43 °F)2022 K (1749 °C, 3180 °F)(25 °C) 26.650 J/molK4.77 kJ/mol179.5 kJ/mol(300 K) 35.3 W/mK(20 °C) 208 n Ωm4, 2, -4 (Amphoteric oxide)2.331st: 715.6 kJ/mol146±5 pm202 pmface centered cubicdiamagnetic(r.t.) (annealed) 1190 m·s−1(25 °C) 28.9 µm/mK175 pm16 GPa5.6 GPa46 GPa1.50.4438.3 MPa
73PdPalladium46510Transition metal7440-05-3106.42(1)g/mtransition metals106.42(1) g·mol−1[Kr] 4d102, 8, 18, 18, 0silvery white metallicsolid12.023 g/cc10.38 g/cc1828.05 K (1554.9 °C, 2830.82 °F)3236 K (2963 °C, 5365 °F)(25 °C) 25.98 J/molK16.74 kJ/mol362 kJ/mol(300 K) 71.8 W/mK(20 °C) 105.4 n Ωm0, +1, +2, +4, +6 (mildly basic oxide)2.21st: 804.4 kJ/mol139±6 pm163 pmcubic face centeredparamagnetic(20 °C) 3070 m/s(25 °C) 11.8 µm/mK137 pm121 GPa44 GPa180 GPa4.750.39461 MPa37.3 MPa
74PmPromethium616Lanthanoid7440-12-2146.9151g/mlanthanoids[145](0) g·mol−1[Xe] 4f5 6s22, 8, 18, 23, 8, 2metallicsolid7.26 g/cc1315 K (1042 °C, 1908 °F)3273 K (3000 °C, 5432 °F)7.13 kJ/mol289 kJ/mol(300 K) 17.9 W/mK(r.t.) est. 0.75 µΩm3 (mildly basic oxide)? 1.131st: 540 kJ/mol199 pmhexagonalparamagnetic(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
75PoPolonium84616Metalloid7440-08-6208.9824g/mmetalloids(209) g·mol−1[Xe] 6s2 4f14 5d10 6p42, 8, 18, 32, 18, 6silverysolid(beta) 9.398 g/cc527 K (254 °C, 489 °F)1235 K (962 °C, 1764 °F)(25 °C) 26.4 J/molKca. 13 kJ/mol102.91 kJ/mol(300 K) ? 20 W/mK(0 °C) (α) 0.40 µΩm6, 4, 2, -2 (amphoteric oxide)21st: 812.1 kJ/mol140±4 pmcubicnonmagnetic(25 °C) 23.5 µm/mK168 pm
76PrPraseodymium596Lanthanoid7440-10-0140.90765(2)g/mlanthanides140.90765(2) g·mol−1[Xe] 4f3 6s22, 8, 18, 21, 8, 2grayish whitesolid6.77 g/cc6.50 g/cc1208 K (935 °C, 1715 °F)3793 K (3520 °C, 6368 °F)(25 °C) 27.20 J/molK6.89 kJ/mol331 kJ/mol(300 K) 12.5 W/mK(r.t.) (α, poly) 0.700 µΩm4, 3, 2 (mildly basic oxide)1.131st: 527 kJ/mol203±7 pmhexagonalparamagnetic(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) 0.281400 MPa481 MPa
77PtPlatinum78610Transition metal7440-06-4195.084(9)g/mtransition metals195.084(9) g·mol−1[Xe] 4f14 5d9 6s12, 8, 18, 32, 17, 1grayish whitesolid21.45 g/cc19.77 g/cc2041.4 K (1768.3 °C, 3214.9 °F)4098 K (3825 °C, 6917 °F)(25 °C) 25.86 J/molK22.17 kJ/mol469 kJ/mol(300 K) 71.6 W/mK(20 °C) 105 n Ωm6, 5, 4, 3 , 2, 1, -1, -2 (mildly basic oxide)2.281st: 870 kJ/mol136±5 pm175 pmface centered cubicparamagnetic(r.t.) 2800 m·s−1(25 °C) 8.8 µm/mK139 pm168 GPa61 GPa230 GPa4–4.50.38549 MPa392 MPa
78PuPlutonium947Actinoid7440-07-5244.0642g/mactinides(244) g·mol−1[Rn] 5f6 7s22, 8, 18, 32, 24, 8, 2silvery whitesolid19.816 g/cc16.63 g/cc912.5 K (639.4 °C, 1182.9 °F)3505 K (3228 °C, 5842 °F)(25 °C) 35.5 J/molK2.82 kJ/mol333.5 kJ/mol(300 K) 6.74 W/mK(0 °C) 1.460 µΩm7, 6, 5, 4, 3 (amphoteric oxide)1.281st: 584.7 kJ/mol187±1 pmmonoclinicparamagnetic(20 °C) 2260 m/s(25 °C) 46.7 µm/mK159 pm96 GPa43 GPa0.21
79RaRadium8872Alkaline earth metal7440-14-4226.0254g/malkaline earth metals(226) g·mol−1[Rn] 7s22, 8, 18, 32, 18, 8, 2silvery white metallicsolid5.5 g/cc973 K (700 °C, 1292 °F)2010 K (1737 °C, 3159 °F)8.5 kJ/mol113 kJ/mol(300 K) 18.6 W/mK(20 °C) 1 µ Ωm2 (strongly basic oxide)0.91st: 509.3 kJ/mol221±2 pmbody centered cubicnonmagnetic
80RbRubidium3751Alkali metal7440-17-785.4678(3)g/malkali metals85.4678(3) g·mol−1[Kr] 5s12, 8, 18, 8, 1grey whitesolid1.532 g/cc1.46 g/cc312.46 K (39.31 °C, 102.76 °F)961 K (688 °C, 1270 °F)(extrapolated) 2093 K, 16 MPa(25 °C) 31.060 J/molK2.19 kJ/mol75.77 kJ/mol(300 K) 58.2 W/mK(20 °C) 128 n Ωm1 (strongly basic oxide)0.821st: 403.0 kJ/mol220±9 pm244 pmbody centered cubicparamagnetic(20 °C) 1300 m/s248 pm2.4 GPa2.5 GPa0.30.216 MPa
81ReRhenium7567Transition metal7440-15-5186.207(1)g/mtransition metals186.207(1) g·mol−1[Xe] 4f14 5d5 6s22, 8, 18, 32, 13, 2grayish whitesolid21.02 g/cc18.9 g/cc3459 K (3186 °C, 5767 °F)5869 K (5596 °C, 10105 °F)(25 °C) 25.48 J/molK60.43 kJ/mol704 kJ/mol(300 K) 48.0 W/mK(20 °C) 193 n Ωm7, 6, 5, 4, 3, 2, 1, 0, -1 (mildly acidic oxide)1.91st: 760 kJ/mol151±7 pmhexagonalparamagnetic(20 °C) 4700 m/s(25 °C) 6.2 µm/mK137 pm463 GPa178 GPa370 GPa70.32450 MPa1320 MPa
82RfRutherfordium10474Transition metal53850-36-5265g/mtransition metals[267] g·mol−1[Rn] 5f14 6d2 7s22, 8, 18, 32, 32, 10, 2Unknown4
83RgRoentgenium111711Transition metal54386-24-2283g/mtransition metals[280] g·mol−1[Rn] 5f14 6d9 7s22, 8, 18, 32, 32, 17, 2unknownpresumably a solid
84RhRhodium4559Transition metal7440-16-6102.90550(2)g/mtransition metals102.90550(2) g·mol−1[Kr] 4d8 5s12, 8, 18, 16, 1silvery white metallicsolid12.41 g/cc10.7 g/cc2237 K (1964 °C, 3567 °F)3968 K (3695 °C, 6683 °F)(25 °C) 24.98 J/molK26.59 kJ/mol494 kJ/mol(300 K) 150 W/mK(0 °C) 43.3 nΩm6, 5, 4, 3, 2, 1, -1 (amphoteric oxide)2.281st: 719.7 kJ/mol142±7 pmcubic face centeredparamagnetic(20 °C) 4700 m/s(25 °C) 8.2 µm/mK134 pm380 GPa150 GPa275 GPa60.261246 MPa1100 MPa
85RnRadon86618Noble gas10043-92-2222.0176g/mnoble gases18, 6, p(222) g·mol−1[Xe] 4f14 5d10 6s2 6p62, 8, 18, 32, 18, 8gas202 K, −71.15 °C, −96 °F211.3 K, −61.85 °C, −79.1 °F377 K, 6.28 MPa(25 °C) 20.786 J/molK3.247 kJ/mol18.10 kJ/mol(300 K) 3.61 m W/mK22.21st: 1037 kJ/mol150 pmface-centered cubicnon-magnetic
86RuRuthenium4458Transition metal7440-18-8101.07(2)g/mtransition metals101.07(2) g·mol−1[Kr] 4d7 5s12, 8, 18, 15, 1silvery white metallic12.45 g/cc10.65 g/cc2607 K (2334 °C, 4233 °F)4423 K (4150 °C, 7502 °F)(25 °C) 24.06 J/molK38.59 kJ/mol591.6 kJ/mol(300 K) 117 W/mK(0 °C) 71 nΩm8, 7, 6, 4, 3, 2, 1,, -2 (mildly acidic oxide)2.31st: 710.2 kJ/mol146±7 pmhexagonalparamagnetic(20 °C) 5970 m/s(25 °C) 6.4 µm/mK134 pm447 GPa173 GPa220 GPa6.50.32160 MPa
87SSulfur16316Nonmetal7704-34-932.065(5)g/mnonmetal16, 3, p32.065(5) g·mol−1[Ne] 3s2 3p42, 8, 6solid(gamma) 1.92 g/cc1.819 g/cc388.36 K, 115.21 °C, 239.38 °F717.8 K, 444.6 °C, 832.3 °F1314 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) 2×1015Ωm6, 5, 4, 3, 2, 1, -1, -2 (strongly acidic oxide)2.581st: 999.6 kJ/mol105±3 pm180 pmorthorhombicdiamagnetic7.7 GPa2
88SbAntimony51515Metalloid7440-36-0121.760(1)g/mmetalloid15, 5, p121.760(1) g·mol−1[Kr] 4d10 5s2 5p32, 8, 18, 18, 5solid6.697 g/cc6.53 g/cc903.78 K, 630.63 °C, 1167.13 °F1860 K, 1587 °C, 2889 °F(25 °C) 25.23 J/molK19.79 kJ/mol193.43 kJ/mol(300 K) 24.4 W/mK(20 °C) 417 nΩm5, 3, -32.051st: 834 kJ/mol139±5 pmrhombohedraldiamagnetic(20 °C) 3420 m/s(25 °C) 11 µm/mK140 pm55 GPa20 GPa42 GPa3294 MPa
89ScScandium2143Transition metal7440-20-244.955912(6)g/mtransition metal3, 4, d44.955912(6) g·mol−1[Ar] 3d1 4s22, 8, 9, 2solid2.985 g/cc2.80 g/cc1814 K, 1541 °C, 2806 °F3109 K, 2836 °C, 5136 °F(25 °C) 25.52 J/molK14.1 kJ/mol332.7 kJ/mol(300 K) 15.8 W/mK(r.t.) (α, poly) calc. 562 nΩm3, 2, 1 (weakly basic oxide)1.361st: 633.1 kJ/mol170±7 pmhexagonalparamagnetic(r.t.) (α, poly) 10.2 µm/(m·K)162 pm74.4 GPa29.1 GPa56.6 GPa0.279750 MPa
90SeSelenium34416Nonmetal7782-49-278.96(3)g/mnonmetals78.96(3) g·mol−1[Ar] 4s2 3d10 4p42, 8, 18, 6gray-black, metallic lustersolid(vitreous) 4.28 g/cc3.99 g/cc494 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/mol95.48 kJ/mol(300 K) (amorphous) 0.519 W/mK6, 4, 2, 1, -2 (strongly acidic oxide)2.551st: 941.0 kJ/mol120±4 pm190 pmhexagonaldiamagnetic(20 °C) 3350 m/s(25 °C) (amorphous) 37 µm/mK120 pm10 GPa3.7 GPa8.3 GPa20.33736 MPa
91SgSeaborgium10676Transition metal54038-81-2272g/mtransition metals[271] g·mol−1[Rn] 7s2 5f14 6d42, 8, 18, 32, 32, 12, 2unknown, probably silvery white or metallic graypresumably a solidunknown g/cc6unknown pmunknownunknown pm
92SiSilicon14314Metalloid7440-21-328.0855(3)g/mmetalloid14, 3, p28.0855(3) g·mol−1[Ne] 3s2 3p22, 8, 4solid2.3290 g/cc2.57 g/cc1687 K, 1414 °C, 2577 °F3538 K, 3265 °C, 5909 °F(25 °C) 19.789 J/molK50.21 kJ/mol359 kJ/mol(300 K) 149 W/mK(20 °C) 103 Ωm1.12 eV4, 3 , 2 , 1 -1, -2, -3, -4 (amphoteric oxide)1.91st: 786.5 kJ/mol111 pm210 pmdiamond cubicdiamagnetic(20 °C) 8433 m/s(25 °C) 2.6 µm/mK111 pm185 GPa52 GPa100 GPa70.28
93SmSamarium626Lanthanoid7440-19-9150.36(2)g/mlanthanides150.36(2) g·mol−1[Xe] 6s2 4f62, 8, 18, 24, 8, 2silvery whitesolid7.52 g/cc7.16 g/cc1345 K (1072 °C, 1962 °F)2067 K (1794 °C, 3261 °F)(25 °C) 29.54 J/molK8.62 kJ/mol165 kJ/mol(300 K) 13.3 W/mK(r.t.) (α, poly) 0.940 µΩm3, 2 (mildly basic oxide)1.171st: 544.5 kJ/mol198±8 pmrhombohedralparamagnetic(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) 0.274412 MPa441 MPa
94SnTin50514Poor metal7440-31-5118.710(7)g/mpoor metals118.710(7) g·mol−1[Kr] 4d10 5s2 5p22, 8, 18, 18, 4silvery lustrous graysolid(gray) 5.769 g/cc6.99 g/cc505.08 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 nΩm4, 2, -4 (amphoteric oxide)1.961st: 708.6 kJ/mol139±4 pm217 pmTetragonal (white), diamond cubic (gray)(gray)diamagnetic, (white) paramagnetic(r.t.) (rolled) 2730 m·s−1(25 °C) 22.0 µm/mK140 pm50 GPa18 GPa58 GPa1.50.3651 MPa
95SrStrontium3852Alkaline earth metal7440-24-687.62(1)g/malkaline earth metals87.62(1) g·mol−1[Kr] 5s22, 8, 18, 8, 2silvery white metallicsolid2.64 g/cc2.375 g/cc1050 K (777 °C, 1431 °F)1655 K (1382 °C, 2520 °F)(25 °C) 26.4 J/molK7.43 kJ/mol136.9 kJ/mol(300 K) 35.4 W/mK(20 °C) 132 n Ωm2, 1 (strongly basic oxide)0.951st: 549.5 kJ/mol195±10 pmcubic face centeredparamagnetic(25 °C) 22.5 µm/mK215 pm6.1 GPa1.50.28
96TaTantalum7365Transition metal7440-25-7180.9479(1)g/mtransition metals180.94788(2) g·mol−1[Xe] 4f14 5d3 6s22, 8, 18, 32, 11, 2gray bluesolid16.69 g/cc15 g/cc3290 K (3017 °C, 5463 °F)5731 K (5458 °C, 9856 °F)(25 °C) 25.36 J/molK36.57 kJ/mol732.8 kJ/mol(300 K) 57.5 W/mK(20 °C) 131 n Ωm5, 4, 3, 2, -1 (mildly acidic oxide)1.51st: 761 kJ/mol170±8 pmbody centered cubicparamagnetic(20 °C) 3400 m/s(25 °C) 6.3 µm/mK146 pm186 GPa69 GPa200 GPa6.50.34873 MPa800 MPa
97TbTerbium656Lanthanoid7440-27-9158.92535(2)g/mlanthanides158.92535(2) g·mol−1[Xe] 4f9 6s22, 8, 18, 27, 8, 2silvery whitesolid8.23 g/cc7.65 g/cc1629 K (1356 °C, 2473 °F)3503 K (3230 °C, 5846 °F)(25 °C) 28.91 J/molK10.15 kJ/mol293 kJ/mol(300 K) 11.1 W/mK(r.t.) (α, poly) 1.150 µΩm4, 3, 2, 1 (weakly basic oxide)? 1.21st: 565.8 kJ/mol194±5 pmhexagonalparamagnetic 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) 0.261863 MPa677 MPa
98TcTechnetium4357Transition metal7440-26-898.9063g/mtransition metals[98](0) g·mol−1[Kr] 4d5 5s22, 8, 18, 13, 2silvery gray metalsolid11 g/cc2430 K (2157 °C, 3915 °F)4538 K (4265 °C, 7709 °F)(25 °C) 24.27 J/molK33.29 kJ/mol585.2 kJ/mol(300 K) 50.6 W/mK7, 6, 5, 4, 3, 2, 1, -1, -3 (strongly acidic oxide)1.91st: 702 kJ/mol147±7 pmhexagonalParamagnetic136 pm-53 kJ/mol
99TeTellurium52516Metalloid13494-80-9127.60(3)g/mmetalloids127.60(3) g·mol−1[Kr] 5s2 4d10 5p42, 8, 18, 18, 6silvery lustrous graysolid6.24 g/cc5.70 g/cc722.66 K (449.51 °C, 841.12 °F)1261 K (988 °C, 1810 °F)(25 °C) 25.73 J/molK17.49 kJ/mol114.1 kJ/mol(300 K) (1.97–3.38) W/mK6, 5, 4, 2, -2 (mildly acidic oxide)2.11st: 869.3 kJ/mol138±4 pm206 pmhexagonaldiamagnetic(20 °C) 2610 m/s140 pm43 GPa16 GPa65 GPa2.25180 MPa
100ThThorium907Actinoid7440-29-1232.03806(2)g/mActinides232.0381(2) g·mol−1[Rn] 6d2 7s22, 8, 18, 32, 18, 10, 2silvery whitesolid11.7 g/cc2115 K (1842 °C, 3348 °F)5061 K (4788 °C, 8650 °F)(25 °C) 26.230 J/molK13.81 kJ/mol514 kJ/mol(300 K) 54.0 W/mK(0 °C) 147 nΩm4, 3, 2 (weakly basic oxide)1.31st: 587 kJ/mol206±6 pmface centered cubicparamagnetic(20 °C) 2490 m/s(25 °C) 11.0 µm/mK179 pm79 GPa31 GPa54 GPa30.27350 MPa400 MPa
101TiTitanium2244Transition metal7440-32-647.867(1)g/mtransition metal4, 4, d47.867(1) g·mol−1[Ar] 3d2 4s22, 8, 10, 2solid4.506 g/cc4.11 g/cc1941 K, 1668 °C, 3034 °F3560 K, 3287 °C, 5949 °F(25 °C) 25.060 J/molK14.15 kJ/mol425 kJ/mol(300 K) 21.9 W/mK(20 °C) 0.420 µΩm4, 3, 2, 1 (amphoteric oxide)1.541st: 658.8 kJ/mol160±8 pmhexagonalparamagnetic(r.t.) 5,090 m·s−1(25 °C) 8.6 µm/mK147 pm116 GPa44 GPa110 GPa60.32970 MPa716 MPa
102TlThallium81613Poor metal7440-28-0204.3833(2)g/mpoor metals204.3833(2) g·mol−1[Xe] 4f14 5d10 6s2 6p12, 8, 18, 32, 18, 3silvery whitesolid11.85 g/cc11.22 g/cc577 K (304 °C, 579 °F)1746 K (1473 °C, 2683 °F)(25 °C) 26.32 J/molK4.14 kJ/mol165 kJ/mol(300 K) 46.1 W/mK(20 °C) 0.18 µ Ωm3, 1 (mildly basic oxide)1.621st: 589.4 kJ/mol170±8 pm196 pmhexagonaldiamagnetic(20 °C) 818 m/s(25 °C) 29.9 µm/mK170 pm8 GPa2.8 GPa43 GPa1.20.4526.4 MPa
103TmThulium696Lanthanoid7440-30-4168.93421(2)g/mlanthanides168.93421(2) g·mol−1[Xe] 4f13 6s22, 8, 18, 31, 8, 2silvery graysolid9.32 g/cc8.56 g/cc1818 K (1545 °C, 2813 °F)2223 K (1950 °C, 3542 °F)(25 °C) 27.03 J/molK16.84 kJ/mol247 kJ/mol(300 K) 16.9 W/mK(r.t.) (poly) 676 nΩm2, 3, 4 (basic oxide)1.251st: 596.7 kJ/mol190±10 pmhexagonalparamagnetic at 300 K(r.t.) (poly) 13.3 µm/(m·K)176 pm74.0 GPa30.5 GPa44.5 GPa0.213520 MPa471 MPa
104UUranium927Actinoid7440-61-1238.02891(3)g/mactiniden/a, 7, f238.02891(3) g·mol−1[Rn] 5f3 6d1 7s22, 8, 18, 32, 21, 9, 2solid19.1 g/cc17.3 g/cc1405.3 K, 1132.2 °C, 2070 °F4404 K, 4131 °C, 7468 °F(25 °C) 27.665 J/molK9.14 kJ/mol417.1 kJ/mol(300 K) 27.5 W/mK(0 °C) 0.280 µΩm6, 5, 4, 3 (weakly basic oxide)1.381st: 597.6 kJ/mol196±7 pm186 pmorthorhombicparamagnetic(20 °C) 3155 m/s(25 °C) 13.9 µm/mK156 pm208 GPa111 GPa100 GPa0.23
105UubUnunbium112712Transition metal54084-26-3285g/mtransition metals[285] g·mol−1[Rn] 5f14 6d10 7s22, 8, 18, 32, 32, 18, 2unknownunknown
106UuhUnunhexium116716Poor metal54100-71-9293g/mpresumably poor metal[293] g·mol−1[Rn] 5f14 6d10 7s2 7p42, 8, 18, 32, 32, 18, 6
107UuoUnunoctium118718Noble gas54144-19-3294g/mUnknown18, 7, p(294) g·mol−1[Rn] 5f14 6d10 7s2 7p62, 8, 18, 32, 32, 18, 8Unknown(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/mol0, +2, +41st: (calc.) 820–1130 kJ/mol(extrapolated) 230 pmUnknown(predicted) 152 pm
108UupUnunpentium115715Poor metal54085-64-2291g/mpresumably poor metals[288] g·mol−1[Rn] 5f14 6d10 7s2 7p32, 8, 18, 32, 32, 18, 5
109UuqUnunquadium114714Poor metal54085-16-4289g/mUnknown, suspected to be a noble gas[289] g·mol−1[Rn] 5f14 6d10 7s2 7p22, 8, 18, 32, 32, 18, 4unknownunknown
110UusUnunseptium117717Halogen87658-56-8295g/mUnknownUnknown g·mol−12,8,18,32,32,18,7UnknownUnknown
111UutUnuntrium113713Poor metal54084-70-7287g/mpresumably poor metals[284] g·mol−1[Rn] 5f14 6d10 7s2 7p12, 8, 18, 32, 32, 18, 3possibly light or dark elementpresumably a solid
112VVanadium2345Transition metal7440-62-250.9415(1)g/mtransition metal5, 4, d50.9415(1) g·mol−1[Ar] 3d3 4s22, 8, 11, 2solid6.0 g/cc5.5 g/cc2183 K, 1910 °C, 3470 °F3680 K, 3407 °C, 6165 °F(25 °C) 24.89 J/molK21.5 kJ/mol459 kJ/mol(300 K) 30.7 W/mK(20 °C) 197 nΩm5, 4, 3, 2, 1, -1 (amphoteric oxide)1.631st: 650.9 kJ/mol153±8 pmbody-centered cubicparamagnetic(20 °C) 4560 m/s(25 °C) 8.4 µm/mK134 pm128 GPa47 GPa160 GPa6.70.37
113WTungsten7466Transition metal7440-33-7183.84(1)g/mtransition metals183.84 (1) g·mol−1[Xe] 4f14 5d4 6s22, 8, 18, 32, 12, 2grayish white, lustroussolid19.25 g/cc17.6 g/cc3695 K (3422 °C, 6192 °F)5828 K (5555 °C, 10031 °F)13892 K, {{{mpa}}} MPa(25 °C) 24.27 J/molK52.31 kJ/mol806.7 kJ/mol(300 K) 173 W/mK(20 °C) 52.8 n Ωm6, 5, 4, 3, 2, 1, 0, −1, -2 (mildly acidic oxide)2.361st: 770 kJ/mol162±7 pmbody centered cubicparamagnetic(r.t.) (annealed) 4290 m·s−1(25 °C) 4.5 µm/mK139 pm411 GPa161 GPa310 GPa7.50.283430 MPa2570 MPa
114XeXenon54518Noble gas7440-63-3131.293(6)g/mnoble gases18, 5, p131.293(6) g·mol−1[Kr] 5s2 4d10 5p62, 8, 18, 18, 8gas5.894 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 °F161.405 K (-112°C), 81.6 kPa289.77 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/mK0, +1, +2, +4, +6, +8 (rarely more than 0) (weakly acidic oxide)2.61st: 1170.4 kJ/mol140±9 pm216 pmface-centered cubicdiamagnetic(liquid) 1090 m/s; (gas) 169 m/s
115YYttrium3953Transition metal7440-65-588.90585(2)g/mtransition metals88.90585(2) g·mol−1[Kr] 4d1 5s22, 8, 18, 9, 2silvery whitesolid4.472 g/cc4.24 g/cc1799 K (1526 °C, 2779 °F)3609 K (3336 °C, 6037 °F)(25 °C) 26.53 J/molK11.42 kJ/mol365 kJ/mol(300 K) 17.2 W/mK(r.t.) (α, poly) 596 nΩm3, 2, 11.221st: 600 kJ/mol190±7 pmhexagonalparamagnetic(20 °C) 3300 m/s(r.t.) (α, poly) 10.6 µm/(m·K)180 pm63.5 GPa25.6 GPa41.2 GPa0.243589 MPa
116YbYtterbium706Lanthanoid7440-64-4173.054(5)g/mlanthanides173.04(3) g·mol−1[Xe] 4f14 6s22, 8, 18, 32, 8, 2silvery whitesolid6.90 g/cc6.21 g/cc1097 K (824 °C, 1515 °F)1469 K (1196 °C, 2185 °F)(25 °C) 26.74 J/molK7.66 kJ/mol159 kJ/mol(300 K) 38.5 W/mK(r.t.) (β, poly) 0.250 µΩm3, 2 (basic oxide)? 1.11st: 603.4 kJ/mol187±8 pmcubic face centeredparamagnetic(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) 0.207206 MPa343 MPa
117ZnZinc30412Transition metal7440-66-665.38(2)g/mpost-transition metal12, 4, d65.38(4) g·mol−1[Ar] 3d10 4s22, 8, 18, 2solid7.14 g/cc6.57 g/cc692.68 K, 419.53 °C, 787.15 °F1180 K, 907 °C, 1665 °F(25 °C) 25.470 J/molK7.32 kJ/mol123.6 kJ/mol(300 K) 116 W/mK(20 °C) 59.0 nΩm+2, +1, 0 (amphoteric oxide)1.651st: 906.4 kJ/mol122±4 pm139 pmhexagonaldiamagnetic(r.t.) (rolled) 3850 m·s−1(25 °C) 30.2 µm/mK134 pm108 GPa43 GPa70 GPa2.50.25412 MPa
118ZrZirconium4054Transition metal7440-67-791.224(2)g/mtransition metals91.224(2) g·mol−1[Kr] 4d2 5s22, 8, 18, 10, 2silvery whitesolid6.52 g/cc5.8 g/cc2128 K (1855 °C, 3371 °F)4682 K (4409 °C, 7968 °F)(25 °C) 25.36 J/molK14 kJ/mol573 kJ/mol(300 K) 22.6 W/mK(20 °C) 421 n Ωm4, 3, 2, 1, (amphoteric oxide)1.331st: 640.1 kJ/mol175±7 pmhexagonal close-packedparamagnetic(20 °C) 3800 m/s(25 °C) 5.7 µm/mK160 pm68 GPa33 GPa50.34903 MPa650 MPa
 
Materials and Chemical Elements

Materials and Chemical Elements
idxSymbolNameCAS_NumberOther_namesMolecular_formulaCoordination_geometryCrystal_structureAppearancePhaseMolar_massRhoTmeltTboilKtSpecific_heat_capacityPvaporEg_300KMu_electronRefractiveIndexSpectral_dataDipole_momentSolubility_waterSolubilityStd _enthalpy_of_formationStandard_molar_entropyAnionsCationsAutoignition temperatureFlash_pointAcidityBasicityViscosity
1(BiO)2CO3bismuth(III) subcarbonate5892-10-4
2(NaPO3)6sodium hexametaphosphate10124-56-8Calgon S; Glassy sodium; Graham's Salt; Hexasodium metaphosphate; Metaphosphoric acid, hexasodium salt(NaPO3)6White, odorless, crystalline powder611.77 g/mol2.484 g/cc550 °C1500 °CsolubleTrisodium phosphate Tetrasodium pyrophosphate Pentasodium triphosphateNon-flammable
3(NbF5)4niobium(V) fluoride7783-68-8
4(NH4)2SO4ammonium sulfate7783-20-2ammonium sulfate (2:1) diammonium sulfate sulfuric acid diammonium salt mascagnite Actamaster Dolamin(NH4)2SO4Fine white hygroscopic granules or crystals.132.14 g/mol1.769 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 etherAmmonium thiosulfate Ammonium sulfite Ammonium bisulfate Ammonium persulfateSodium sulfate Potassium sulfateNon-flammable
5(OsF5)4osmium(V) fluoride31576-40-6
6Ag2C2silver acetylide7659-31-6C2Ag2white solid239.76 g mol−1120 °Csolubleflammable
7Ag2C2O4silver oxalate533-51-7Silver EthanedioateC2Ag2O4white powder303.755 g/cc140 °C decomp.3.270*10–3 g/100mL
8Ag2Cl2silver(II) dichloride75763-82-5
9Ag2CO3silver carbonate534-16-7Silver(I)CarbonateAg2CO3yellow-yellow green275.75 g/mol6.077 g/cc, solid210°C decomposes to Ag2O.0032 g/100 mLsoluble in acids
10Ag2Cr2O7silver dichromate7784-02-3
11Ag2CrO4silver chromate7784-01-2Ag2CrO4brown-red powder331.73 g/mol5.625 g/cc7.8x10-5 mol cm-3soluble in nitric acid, ammonia, alkali cyanides and chromates [1]
12Ag2Fsilver subfluoride1302-01-8Ag2FBronze-colored crystals with green luster234.734 g/mol8.6 g/cc, solid90 °C. decomposition
13Ag2MoO4silver molybdate13765-74-7Ag2MoO4yellow crystals375.67.77 g/mol6.18 g/cc, solid483 °Cslightly soluble
14Ag2Osilver oxide20667-12-3Silver rust, Argentous oxideAg2Ocubicblack/brown cubic crystals231.735 g/mol7.14 g/cc280°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-1121.3 J/molK
15Ag2Ssilver sulfide21548-73-2Ag2SorthogonalBlack cubic crystal247.8 g/mol7.23 g/cc1098 K (825 °C) (825 °C)8.5−15g in 1L watersoluble in nitric acid, sulfuric acids-32.6 kJ/mol144.0 J/mol·K
16Ag2Sesilver selenide1302-09-6NaumanniteAg2Se294.7 g/mol8.216 g/cm³, solid880 °C
17Ag2SeO3silver selenite7784-05-6Silver(I) seleniteAg2SeO3crystalline needles342.69 g/mol5.930 g/cc530°Cdecomposes above 550 °Cslightly solublesoluble in acids
18Ag2SeO4silver selenate7784-07-8
19Ag2SO4silver sulfate10294-26-5Sulfuric acid, disilver(1+) saltAg2SO4colourless crystals311.799 g/mol5.45 g/cc [1]652 °C, 925 K, 1206 °F1085 °C, 1358 K, 1985 °F1.2 g/100 mLdissolves in nitric acid
20Ag2Tesilver telluride12002-99-2HessiteAg2TeMonoclinic, mP12grey-black crystals341.3364 g/mol8.318 g/cm³955 °C
21Ag3Br2silver dibromide11078-32-3
22Ag3Br3silver tribromide11078-33-4
23Ag3Cl3silver(III) trichloride12444-96-1
24Ag3I3silver(III) triiodide37375-12-5
25Ag3PO4silver phosphate7784-09-0
26Ag3SbS3silver thioantimonate15983-65-0
27AgAlCl4silver tetrachloroaluminate27039-77-6
28AgBrsilver bromide7785-23-1bromargyrite bromyrite silver(I) bromideAgBrPale yellow solid photosensitive187.77 g/mol6.473 g/cc, solid432 °C1502°C (decomposes)270 J/kgK2.5 eV4000 cm2/V-s2.25314 μg/100 ml (20 °C)insoluble in alcohol, most acids sparingly soluble in ammonia soluble in alkali cyanide solutions−99.5 kJ/mol107.1 J.K−1.mol−1Silver(I) fluoride Silver chloride Silver iodideCopper(I) bromide Mercury(I) bromide
29AgBrO3silver bromate7783-89-3AgBrO3white powder photosensitive235.770 g/mol5.206 g/cc309 °C, 582 K, 588 °F0.167 g/100 mL
30AgC2H3O2silver acetate563-63-3Acetic acid, silver (1+) saltAgC2H3O2white to slightly grayish powder slightly acidic odor166.91 g/mol3.26 g/cc, soliddecomposes at 220°C1.02 g/100 g (20 °C)
31AgClsilver chloride7783-90-6cerargyrite, chlorargyrite, horn silverAgClhaliteWhite Solid143.32 g mol−15.56 g.cm3457 °C1547 °C2.071520 μg/100 g at 50 °Cinsoluble in alcohol, dilute acid soluble in ammonia, concentrated sulfuric acid, alkali cyanide, NH4CO3, KBr, sodium thiosulfate−127.01 kJ mol−196.25 J mol−1 K−1silver(I) fluoride, silver bromide, silver iodide
32AgClO3silver chlorate7783-92-8chloric acid silver saltAgClO3white crystals191.319 g/mol4.443 g/cc, solid230 °C250 °C decomp.
33AgClO4silver perchlorate7783-93-9Perchloric acid, silver(1+) saltAgClO4Colorless hygroscopic crystals207.319 g/mol2.806 g/cc486 °C (decomp.)5570 g/L
34AgCNsilver cyanide506-64-9Argentous cyanideCNAglinearhexagonalcolorless, gray (impure) crystals133.89 g/mol3.95 g/cc320 °Cinsolubleinsoluble in alcohol, dilute acid soluble in concentrated ammonia, boiling nitric acid
35AgFsilver fluoride7775-41-9
36AgF2silver difluoride7775-41-9silver difluorideAgF2tetragonally elongated octahedral coordinationorthorhombicwhite or grey crystalline powder, hygroscopic145.865 g/mol4.58 g/cc690 °C (963 K)decomposes at 700 °C (973 K)Decomposes, violentlysilver(I,III) oxidecopper(II) fluoride, palladium(II) fluoride, cadmium(II) fluoride
37AgIsilver iodide7783-96-2Silver(I) iodideAgIyellow, crystalline solid234.77 g/mol5.675 g/cc, solid558 °C1506 °C3 × 10−7g/100mL (20 °C)-62.4 kJ/mol
38AgIO3silver iodate7783-97-3AgIO3white crystals282.77 g/mol5.53 g/cm³, solid>200 °Cinsolublesilver iodide silver chloratesodium iodate potassium iodate
39AgMnO4silver permanganate7783-98-4
40AgN3silver azide13863-88-2AgN3colourless solid149.888 g/mol4.42 g/cc, solid250 °C, explosivedecomp.
41AgNO3silver nitrate7761-88-8Nitric acid silver(1+) saltAgNO3white solid169.87 g mol−1212 °C, 485 K, 414 °F444 °C, 717 K, 831 °F (decomp.)very solublesoluble in ethanol and acetone
42AgOsilver(I,III) oxide1301-96-8silver peroxide, argentic oxide, silver suboxide, divasilAgO Ag2O.Ag2O3grey-black powder diamagnetic123.87 g/mol7.48 g/cc<100 °C, decomposition.0027 g/100 mLsoluble in alkalies
43AgONCsilver fulminate5610-59-3AgCNO149.885 g mol−1170 °C
44AgReO4silver perrhenate7784-00-1
45AgSNCsilver thiocyanate14104-20-2
46Al(CHO2)3aluminium formate7360-53-4
47Al(OH)3aluminium hydroxide21645-51-2Aluminium(III) hydroxide, Hydrated aluminaAl(OH)3White amorphous powder.78.00 g/mol2.42 g/cm³, solid.300 °C0.0001 g/100 mL (20 °C)soluble in acids, alkalies, HCl, HSO4None.Non-flammable.>7
48Al2(SO4)3aluminium sulfate10043-01-3Cake alum Filter alum Papermaker's alum Alunogenite Sulfuric acid, aluminum salt (3:2)Al2(SO4)3monoclinic (hydrate)white crystalline solid hygroscopicPhase behaviour Solid, liquid, gas342.15 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, MS31.2 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 acidsGallium sulfate Magnesium sulfate3.3-3.6
49Al2O3aluminium oxide1344-28-1Al2O3octahedralTrigonal, hR30, SpaceGroup = R-3c, No. 167white solidPhase behaviour Solid, liquid, gas101.9613 g/mol3.95-4.1 g/cc2072 °C [1]2980 °C[2]nω=1.768 - 1.772 nε=1.760 - 1.763 Birefringence 0.008UV, IR, NMR, MSinsoluble−1675.7 kJ·mol−150.92 J·mol−1·K−1aluminium hydroxideboron trioxide gallium oxide indium oxide thallium oxidenon-flammable
50Al2S3aluminium sulfide1302-81-4Aluminum sulfideAl2S3Trigonal, hP30, SpaceGroup = P61, No. 169gray solid150.158 g/mol2.02 g/cc, solid1100°C1500°C (sublimes)decomposes
51Al2Se3aluminium selenide1302-82-5Aluminium(III) selenideAl2Se3Monoclinic, mS20, SpaceGroup = Cc, No. 9yellow to brown powder290.84 g/mol3.437 g/cc960°Cdecomposes
52AlAsaluminium arsenide22831-42-1AlAsTetrahedralZinc Blendeorange crystals101.9031 g/mol3.81 g/cc1740 °C0.9 W/(cm*K) (300 K)2.12 eV (indirect)[1]200 cm2/(V*s) (300 K)3 (infrared)
53AlB2aluminium boride12041-50-8
54AlBr3aluminium bromide7727-15-3aluminium(III) bromide aluminium tribromideAlBr3 Al2Br6white to pale yellow crystalline solid266.72 g/mol3.205 g/cc97.8 °C265 °Creactsslightly soluble in methanol, diethyl ether, acetonealuminium trichloride aluminium triiodideboron tribromide
55AlBr3-6H2Oaluminium bromide hexahydrate7784-11-4
56AlCl3aluminium chloride7446-70-0aluminum trichlorideAlCl3Octahedral (solid) Tetrahedral (liquid)Monoclinic, mS16white or pale yellow solid, hygroscopicPhase behaviour Solid, liquid, gas133.34 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, MS43.9 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 benzeneAluminium fluoride Aluminium bromide Aluminium iodideBoron trichloride Gallium trichloride Indium(III) chloride Thallium(III) chloride Magnesium chloride
57AlCl3-6H2Oaluminium chloride hexahydrate7784-13-6
58AlF3aluminium fluoride7784-18-1Aluminium(III) fluoride Aluminum trifluorideAlF3Rhombohedral, hR24white, crystalline solid odorless83.9767 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)
59AlI3aluminium iodide7784-23-8Aluminium(III) iodide Aluminium triiodide Aluminum iodide Aluminum triiodideAlI3colorless powder but impure samples are often brown407.69495 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, sublimesreacts violently (anhydrous) soluble (hexahydrate)
60AlNaluminium nitride24304-00-5Aluminum nitrideAlNTetrahedralWurtzitewhite to pale-yellow solid40.9882 g/mol3.260 g/cc2200 °C2517 °C (decomp)285 W/m·K740 J Kg-1 K-16.2 eV (direct)300 cm2/(V*s)1.9-2.2decomposes
61AlPaluminium phosphide20859-73-8Aluminium(III) phosphide Aluminium monophosphide Phostoxin FumitoxinAlPyellow or gray crystals57.9552 g/mol2.85 g/cm³, solid2530 °C2.5 eV (indirect)[1]2.75 (IR), ~3 (Vis) [1]reacts>800 °C
62AlPO4aluminium phosphate7784-30-7Aluminium monophosphate Phosphoric acid, aluminum salt (1:1)AlPO4white, crystalline powder121.9529 g/mol2.566 g/cc, solid1800 °Cdecomposes1.546 [1]insolublevery slightly soluble in HCl and HNO3
63AlSbaluminium antimonide25152-52-7AlSbblack crystals148.742 g/mol4.26 g/cc1060 °C2467 °C1.58 eV3.3insoluble590 °C
64As2H4diarsenic tetrahydride15942-63-9
65As2I4arsenic diiodide13770-56-4
66As2O3arsenic trioxide1327-53-3Arsenic(III) oxide, Arsenic sesquioxide, Arsenicum album, Arseneous oxide, Arseneous anhydride, White arsenic[1]As2O3cubic (α)<180°C monoclinic (β) >180°CWhite solidPhase behaviour Solid, liquid, gas197.841 g/mol3.74 g/cc312.3°C465°CUV, IR, NMR, MSZero2 g/100 ml (25°C) see textsoluble in dilute acids and alkalies, practically insoluble in organic solvents [2]−657.4 kJ/mol? J.K–1.mol–1Arsenic trisulfidePhosphorus trioxide Antimony trioxide9.2
67As2O5arsenic pentoxide1303-28-2Arsenic(V) oxide Arsenic oxide Arsenic anhydrideAs2O5white hygroscopic powder229.8402 g/mol4.32 g/cc315 °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 alcoholPhosphorus pentoxide Antimony pentoxide7
68As2P2arsenic diphosphide12512-03-7
69As2S3arsenic trisulfide1303-33-9Arsenic(III) sulfide OrpimentAs2S3yellow-orange powder or crystals246.041 g/mol3.43 g/cc, solid310 °C707 °CinsolubleAs2O3P4S6
70As2S4arsenic tetrasulfide1303-32-8
71As2S5arsenic pentasulfide1303-34-0Arsenic(V) sulfide diarsenic pentasulfideAs2S5yellow-brown glassy solid310.14 g/mol300 °C500 °C (decomp)0.0014 g/100 mL (0 °C)dissolves in nitric acidarsenic pentoxidephosphorus pentasulfide
72As2Searsenic hemiselenide1303-35-1
73As2Se3arsenic triselenide1303-36-2Arsenic(III) selenideAs2Se3Monoclinic, mP20, SpaceGroup = P21/c, No. 14 mP20 P21/c 14brown-black powder386.72 g/mol4.75 g/cc260 °Cinsolublediarsenic trioxide, diarsenic trisulfide, arsenic tribromide, arsenic(III) tellurideantimony(III) selenide
74As2Se5arsenic pentaselenide1303-37-3
75As2Te3arsenic tritelluride12044-54-1
76As3O4arsenic tetraoxide83527-53-1
77As3Parsenic triphosphide12512-11-7
78As4S4tetraarsenic tetrasulfide12279-90-2
79AsBr3arsenic tribromide7784-33-0Arsenic(III) bromideAsBr3white to pale yellow crystalline solid314.634 g/mol3.40 g/cc31.1 °C221 °C2.3decompose
80AsBrOarsenic oxybromide82868-10-8
81AsCl3arsenic trichloride7784-34-1Arsenic(III) chloride, Arsenous trichloride, Butter of arsenic, de Valagin's solution[1]AsCl3colourless liquid181.28 g/mol2.163 g/cc, liquid-16.2 °C, 257 K, 3 °F130.2 °C, 403 K, 266 °F1.6006decomposessoluble in alcohol, ether, HCl, HBr9.77 x 10-6 Pa s
82AsCl3Oarsenic oxychloride60646-36-8
83AsCl5arsenic pentachloride22441-45-8AsCl5252.1866 g/mol
84AsF3arsenic trifluoride7784-35-2Arsenic trifluorideAsF3colorless liquid131.9168 g/mol2.666 g/cc[1]-8.5 ËÅ¡C60.4 ËÅ¡Cdecomposessoluble in alcohol, ether, benzene and ammonia solution-305.0 kJ/mol
85AsF5arsenic pentafluoride7784-36-3Arsenic(V) fluoride, Arsorane, pentafluoro-AsF5colorless gas169.9136 g mol-12.138 g cm-3[1]-79.8 ËÅ¡C[1]-52.8 ËÅ¡C[1]arsenic pentoxide, arsenic pentachloride
86AsH3arsenic trihydride7784-42-1Arseniuretted hydrogen, Arsenous hydride, hydrogen arsenideAsH3colourless gasPhase behaviour Solid, liquid, gas77.95 g/mol4.93 g/l, gas; 1.640 g/mL (−64 °C)−117 °C (157 K)−62.5 °C (210 K)UV, IR, NMR, MS0.20 D0.07 g/100 ml (25 °C)+66.4 kJ/mol223 kJ.K−1.mol−1flammable gas
87AsI2arsenic diiodide13770-56-4
88AsI3arsenic triiodide7784-45-4Arsenic(III) iodide Arsenic iodide, Donovan's solution[1]AsI3Rhombohedral, hR24, SpaceGroup = R-3, No. 148orange-red crystalline solid455.635 g/mol4.69 g/cc146 °C403 °C2.236 g/100 mLsoluble in alcohol, ether, CS2
89AsOarsenic monoxide12005-99-1
90AsO2arsenic dioxide12255-12-8
91AsParsenic monophosphide12255-33-3
92AsP3arsenic phosphide12511-95-4
93AsSe4arsenic tetraselenide12006-06-3
94Au(OH)3gold(III) hydroxide1303-52-2
95Au2(SeO4)3gold(III) selenate10294-32-3
96Au2O3gold(III) oxide1303-58-8Au2O3Orthorombic, oF40, SpaceGroup = Fdd2, No. 43[1]red-brown solid441.9311.34 g/cc at 20 °C[1]decomposes at 160 °Cinsoluble in water, soluble in hydrochloric and nitric acid
97Au2Sgold(I) sulfide1303-60-2
98Au2S3gold(III) sulfide1303-61-3
99Au2Se3gold(III) selenide1303-62-4
100Au4Cl8gold(I,III) chloride62792-24-9Gold chloride; mixed gold chloride; tetragold octachlorideAu4Cl8black solid1071.488 g/mol
101Au4F8gold(I,III) fluoride14270-21-9
102AuBrgold(I) bromide10294-27-6
103AuBr3gold(III) bromide10294-28-7Auric bromide Gold bromide Gold(III) bromide Gold tribromide Digold hexabromideAuBr3dark red to black crystalline436.69 g/mol97.5 °C
104AuClgold(I) chloride10294-29-8gold(I) chlorideAuClTetragonal, tI16yellow solid232.423 g/mol7.6 g/cc [1]170 °C298 °C (decomposes)very slightly solublesoluble in HCl, HBr
105AuCl3gold(III) chloride13453-07-1Auric chloride Gold trichlorideAuCl3 (exists as Au2Cl6)Square planarmonoclinicGolden, yellow crystalsPhase behaviour Solid, liquid, gas303.325 g/mol4.7 g/cc254 °C (527 K) (decomposes)UV, IR, NMR, MS68 g/100 ml (cold)soluble in ether, slightly soluble in liquid ammoniaGold(III) fluoride Gold(III) bromideGold(I) chloride Silver(I) chloride Platinum(II) chloride Mercury(II) chloride
106AuCNgold(I) cyanide506-65-0
107AuF3gold(III) fluoride14720-21-9gold trifluorideAuF3Hexagonal, hP24orange-yellow hexagonal crystals253.962 g/mol6.75 g/ccsublimes above 300°C-363.3 kJ/mol
108AuF5gold(V) fluoride57542-85-5gold pentafluorideAuF5red unstable solid291.959 g/mol60 °C (Decomposes)DecomposesSbF5, BrF5, IF5
109AuIgold(I) iodide10294-31-2
110AuI3gold(III) iodide31032-13-0
111AuSegold(II) selenide23331-11-5
112AuTegold(II) telluride37043-71-3
113B2Cl4diboron tetrachloride13701-67-2
114B2F4diboron tetrafluoride13965-73-6B2F4Colorless gas97.616 g/mol4.3 kg/m3 (gas)-56 °C, 217 K, -69 °F-34 °C, 239 K, -29 °F
115B2H6diboron hexahydride19287-45-7B2H6Tetrahedral (for boron)colorless gasPhase behaviour Solid, liquid, gas27.67 g/mol1.18 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 °FUV, IR, NMR, MS0 DReactssoluble in CS2, diglyme and ethyl acetate [1]38 °Cflammable gas
116B2O3diboron trioxide1303-86-2boron oxide, diboron trioxide, boron sesquioxide, boric oxide, boria, anhydric boric acidB2O3white, glassy solidPhase behaviour Solid, liquid, gas69.6182 g/mol2.460 g/cc, liquid; 2.55 g/cc, trigonal; 3.11–3.146 g/cc, monoclinic450 °C (trigonal) 510 °C (tetrahedral)1680 °CUV, IR, NMR, MS2.2 g/100 mLpartially soluble in methanol~ 4
117B2S3diboron trisulfide12007-33-9Boron trisulfideB2S3B: planar, sp2monoclinic, mP40, SpaceGroup = P21/c, No. 14colorless crystals117.80 g/mol1.55 g/cc, solid563 °Cdecomposes at high Tdecomposes
118B4Cboron carbide12069-32-8Tetrabor B4-C B4C Black DiamondB4CRhombohedraldark gray or black powder, odorless55.255 g/mol2.52 g/cc, solid.2350 °C, 2623 K, 4262 °F3500 °C, 3773 K, 6332 °Finsoluble6-7 (20 °C)
119B4H10boron decahydride18283-93-7decaborane decaboron tetradecahydrideWhite crystals122.221 g/mol99.6 °C213°C149 °C
120Ba(AsO3)2barium arsenite125687-68-5
121Ba(AsO4)2barium arsenate56997-31-0
122Ba(C18H35O2)2barium stearate6865-35-6
123Ba(C2H3O2)2barium acetate543-80-6Barium diacetateBa(CH3COO)2White solid255.42.47g/ccDecomposesN/A55.8g/100g of water at 0°C
124Ba(CHO2)2barium formate541-43-5
125Ba(ClO3)2barium chlorate13477-00-4Chloric acid barium saltBa(ClO3)2white solid304.23 g/mol3.18 g/cc, solid414 °C27.5 g/ml (20 °C)
126Ba(ClO4)2barium perchlorate13465-95-7
127Ba(CN)2barium cyanide542-62-1
128Ba(HS)2barium hyrdosulfide25417-81-6
129Ba(MnO4)2barium permanganate7787-36-2
130Ba(NbO3)2barium niobate12009-14-2
131Ba(NO2)2barium nitrite13465-94-6
132Ba(NO3)2barium nitrate10022-31-8Barium dinitrate, , barium saltBa(NO3)2white crystalsPhase behaviour Solid, liquid, gas261.37 g/mol3.24 g/cc590 °C (decomp.)UV, IR, NMR, MS4.95 g/100 mL (0 °C) 10.5 g/100 mL (25 °C) 34.4 g/100 mL (100 °C)insoluble in alcohol
133Ba(OH)2barium hydroxide17194-00-2Ba(OH)2octahedralwhite solidPhase behaviour Solid, liquid, gas171.34 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 °C1.50 (octahydrate)UV, IR, NMR, MSoctahydrate: 1.67 g/100 mL (0 °C) 3.89 g/100 mL (20 °C) 11.7 g/100 mL (50 °C)−944.7 kJ/molBarium oxide Barium peroxideCalcium hydroxide Strontium hydroxidenon-flammable-2.02
134Ba(PO3)2barium metaphosphate13466-20-1
135Ba(ReO4)2barium perrhenate13768-52-0
136Ba(SCN)2barium thiocyanate2092-17-3
137Ba(VO3)2barium vanadate22652-39-7
138Ba2P2O7barium pyrophosphate13466-21-2
139Ba3(CrO4)2barium dichromate12345-14-1
140Ba3(VO4)2barium orthovanadate39416-30-3
141Ba3N2barium nitride12047-79-9
142BaAl2O4barium aluminate12004-04-5
143BaB6barium boride12046-08-1
144BaBr2barium bromide10553-31-8BaBr2 (anhydrous) BaBr2·2H2O (dihydrate)orthorhombic, oP12, SpaceGroup = Pnma, No. 62White solid297.14 g/mol4.78 g/cc (anhydrous) 3.58 g/cc (dihydrate)857 °C1835 °C92.2 g/100 mL (0°C)−181.1 kcal/molBarium fluoride Barium chloride Barium iodideCalcium bromide Strontium bromide Lead bromide
145BaBr2-2H2Obarium bromide dihydrate7791-28-8
146BaC2barium carbide50813-65-5
147BaC2O4barium oxalate516-02-9BaC2O4225.34 g/mol2.658 g/cc400 °C (decomp)9.290e-3 g/100mL
148BaC4H4O6barium tartrate5908-81-6
149BaCl2barium chloride10361-37-2
150BaCl2-2H2Obarium chloride dihydrate10326-27-9
151BaCO3barium carbonate513-77-9WitheriteBaCO3white crystals197.34 g/mol4.286 g/cc811 °C1360 °C (decomp)1.60.0024 g/100 mL (20 °C)soluble in HCl, HNO3, ammonia, ethanol insoluble in H2SO4Magnesium carbonate Calcium carbonate Strontium carbonateNon-flammable
152BaCrO4barium chromate10294-40-3Barium chromate oxide, Chromic acid, (H2CrO4), barium salt (1:1)BaCrO4yellow powder253.37 g/mol4.498 g/ccdecomposes0.0002775 g/100 mL (20 °C)
153BaF2barium fluoride7787-32-8BaF2Fluorite (cubic), cF12white cubic crystals175.34 g/mol4.893 g/cc1368 °C2260 °C0.16 g/100 mL (20 °C)soluble in methanol, ethanolBarium chloride Barium bromide Barium iodideCalcium fluoride Strontium fluorideNon-flammable
154BaH2barium hydride13477-09-3
155BaHgI4barium tetraiodomercurate10048-99-4
156BaI2barium iodide13718-50-8Barium iodide, anhydrousBaI2 (anhydrous) BaI2·2H2O (dihydrate)Orthorhombic, oP12, SpaceGroup = Pnma, No. 62White 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 mLsoluble in ethanol, acetone-602.1 kJ·mol-1barium fluoride barium chloride barium bromidecalcium iodide magnesium chloride strontium bromide
157BaI2-2H2Obarium iodide dihydrate7787-33-9
158BaMnO4barium manganate7787-35-1
159BaMoO4barium molybdate7787-37-3
160BaN6barium azide18810-58-7
161BaObarium oxide1304-28-5Barium monoxide Barium protoxide Calcined barytaBaOOctahedralcubic, cF8white solidPhase behaviour Solid, liquid, gas153.33 g/mol5.72 g/cc, solid1923 °C~2000 °CUV, IR, NMR, MS3.48 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 ammoniaBarium hydroxide Barium peroxideCalcium oxide Strontium oxidenon-flammable
162BaO2barium peroxide1304-29-6Barium binoxide, Barium dioxide, Barium superoxideBaO26Tetragonal [2]Grey-white crystalline solid169.33 g/mol5.68 g/cc450 °C (723 K)800 °C (1073 K) (decomp. to BaO & O2)insoluble [1]
163BAsboron arsenide12005-69-5Bologna stoneBaSOctahedral (Ba2+); octahedral (S2–)Halite (cubic), cF8169.39 g/mol4.25 g/cc [1]1200 °Cdecomposes2.1552.88 g/cc (0 °C) 7.68 g/cc (20 °C) 60.3 g/100 mL (100 °C)insoluble in alcoholBarium oxideMagnesium sulfide Calcium sulfide Strontium sulfide
164BaSbarium sulfide21109-95-5Bologna stoneBaSOctahedral (Ba2+); octahedral (S2–)Halite (cubic), cF8169.39 g/mol4.25 g/cc [1]1200 °Cdecomposes2.1552.88 g/cc (0 °C) 7.68 g/cc (20 °C) 60.3 g/100 mL (100 °C)insoluble in alcoholBarium oxideMagnesium sulfide Calcium sulfide Strontium sulfide
165BaS2O3barium thiosulfate35112-53-9
166BaSebarium selenide1304-39-8
167BaSeO3barium selenite13718-59-7
168BaSeO4barium selenate7787-41-9
169BaSi2barium silicide1304-40-1
170BaSi2O5barium disilicate12650-28-1
171BaSiF6barium hexafluorosilicate17125-80-3
172BaSiO3barium metasilicate13255-26-0
173BaSnO3barium stannate12009-18-6
174BaSO3barium sulfite7787-39-5BaSO3white monoclinic crystals217.391 g/mol4.44 g/ccdecomposes0.0011 g/100 mLinsoluble in ethanol[1]Barium sulfate Barium fluoride Barium chloride Barium bromide Barium iodideCalcium sulfite Magnesium sulfite
175BAsO4boron arsenate13510-31-1BaSO4white crystalline233.43 g/mol4.50 g/cc1580 °C1600 °C (decomp)1.640.0002448 g/100 mL (20°C) 0.000285 g/100 mL (30 °C)soluble in alcohol, concentrated sulfuric acid
176BaSO4barium sulfate7727-43-7BaSO4white crystalline233.43 g/mol4.50 g/cc1580 °C1600 °C (decomp)1.640.0002448 g/100 mL (20°C) 0.000285 g/100 mL (30 °C)soluble in alcohol, concentrated sulfuric acid
177BaTiO3barium titanate12047-27-7BaTiO3Cubic, cP5, SpaceGroup = Pm-3m, No. 221white crystals233.192 g/mol6.02 g/cc, solid1625 °Cinsolubleslightly soluble in dilute mineral acids; dissolves in concentrated sulfuric acid and hydrofluoric acid
178BaWO4barium tungstate7787-42-0
179BaZrO3barium zirconate12009-21-1
180BBr3boron tribromide10294-33-4TribromoboraneBBr3colorless to amber liquid250.52 g/mol2.643 g/cc−46.3 °C, 227 K, -51 °F91.3 °C, 364 K, 196 °F0.2706 J/K7.2 kPa (20 °C)1.00207reacts violently-0.8207 kJ/g-18 °C
181BCl3boron trichloride10294-34-5Boron(III) chlorideBCl3Colorless gas, fumes in air117.17 g/mol1.326 g/cc-107.3 °C12.6 °C [1]1.00139zerodecomp.decomposes in ethanol soluble in CCl4Boron trifluoride Boron tribromide Boron triiodideAluminium chloride Gallium chloride-17 °C
182Be(BH4)2beryllium borohydride17440-85-6
183Be(C2H3O2)2beryllium acetate543-81-7
184Be(C5H7O2)2beryllium acetylacetonate10210-64-7
185Be(CHO2)2beryllium formate1111-71-3
186Be(NO3)2beryllium nitrate13597-99-4
187Be(NO3)2-3H2Oberyllium nitrate trihydrate7787-55-5
188Be(NO3)2-4H2Oberyllium nitrate tetrahydrate13510-48-0
189Be(OH)2beryllium hydroxide13327-32-7Hydrated berylliaBe(OH)2White solid.43.02678 g/mol1.92 g/cc [1]Decomposes at 1000°C.NA1.443 J/Knegligiblesoluble in acids-20.98 kJ/g
190Be2Cberyllium carbide506-66-1
191Be2SiO4beryllium silicate13598-00-0
192Be3(PO4)2beryllium phosphate13598-15-7
193Be3N2beryllium nitride1304-54-7Be3N2Cubic, cI80, SpaceGroup = Ia-3, No. 106 (α form)yellow or white powder55.06 g/mol2.71 g/cc2200 °C2240 °C (decomp)soluble
194BeAl2O4beryllium aluminate120041-06-7
195BeB2beryllium boride12228-40-9
196BeBr2beryllium bromide7787-46-4BeBr2Orthorhombiccolorless white crystals168.820 g/mol3.465 g/cc (20 °C)508°C (473°C sublimes)520°C[1]0.4111 J/g KHighly[1]-2.094 kJ/g9.5395 J/KBeryllium fluoride Beryllium chloride Beryllium iodideMagnesium bromide Calcium bromide
197BeCl2beryllium chloride7787-47-5BeCl2White or yellow crystals79.9182 g/mol1.899 g/cc, solid399 °C, 672 K, 750 °F482 °C, 755 K, 900 °F7.808 J/K15.1 g/100 mL (20°C)soluble in alcohol, ether and pyridine insoluble in benzene, chloroform, acetone and ammonia-6.136 kJ/g
198BeF2beryllium fluoride7787-49-7BeF2colorless lumps47.01 g/mol hygroscopic1.986 g/cc554 °C, 827 K, 1029 °F1169 °C, 1442 K, 2136 °F ([1])1.102 J/Kvery solublesparingly soluble in alcohol-21.84 kJ/gnon-flammable
199BeH2beryllium hydride7787-52-2BeH2amorphous white solid[1]11.03 g mol−10.65 g/cc250 °C with decomp.[1]decomposeslithium hydride, calcium hydride, boron hydrides
200BeI2beryllium iodide7787-53-3BeI2colorless needle-like crystals262.821 g/mol4.325 g/cm³480°C590°C[1]0.2705 J/KReacts violently with water[1]Slightly soluble in CS2 Soluble in ethanol[2]-0.7324 kJ/gBeryllium fluoride Beryllium chloride Beryllium bromideMagnesium iodide Calcium iodide
201BeOberyllium oxide1304-56-9Beryllia, Thermalox, Berlox, Super beryllia, Beryllia ceramic, BromelliteBeOwhite solidPhase behaviour Solid, liquid, gas25.0116 g/mol3.02 g/cc [1]2507 °C3900 °CUV, IR, NMR, MSsoluble (powder)Beryllium sulfide Beryllium selenide Beryllium tellurideMagnesium oxide Calcium oxideNon-flammable
202BeSberyllium sulfide13598-22-6
203BeSeberyllium selenide12232-25-6
204BeSO4beryllium sulfate13510-49-1BeSO4white solid105.075 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
205BeSO4-4H2Oberyllium sulfate trihydrate7787-56-6
206BeTeberyllium telluride12232-27-8BeTesphalerite, cF8, Space group = F-43m, No. 216136.612 g/mol5.1 g/cc
207BF3boron trifluoride7637-07-2BF3colorless 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 °Cvery solublesoluble in benzene, toluene, hexane, chloroform and methylene chloridenon-flammable
208Bi(CHO2)3bismuth(III) formate25573-24-4
209Bi(OH)3bismuth(III) hydroxide10361-43-0
210Bi2(C2O4)3bismuth(III) oxalate6591-55-5
211Bi2(MoO4)3bismuth(III) molybdate51898-99-8
212Bi2(SnO4)3bismuth(III) stannate7787-68-0
213Bi2O3bismuth(III) oxide1304-76-3BismiteBi2O3pseudo-octahedralmonoclinic, mP20, Space group P21/c (No 14)yellow crystals or powderPhase behaviour Solid, liquid, gas465.96 g/mol Bi=89.70%, O=10.30%8.90 g/cc, solid817°C [1]1890°CUV, IR, NMR, MSinsolublesoluble in acidsBismuth trisulfideArsenic trioxide Antimony trioxidenon-flammable
214Bi2O4bismuth(IV) peroxide12048-50-9
215Bi2S3bismuth(III) sulfide1345-07-9Bismuth sulfide Dibismuth trisulfideBi2S3brown powder514.16 g/mol6.78 g/cc[1]775 ËÅ¡C[2]insolublesoluble in acids
216Bi2Se3bismuth(III) selenide12068-69-8
217Bi2Te3bismuth(III) telluride1304-82-1Bi2Te3Trigonal, hR15, SpaceGroup = R-3m, No. 166grey powder800.761 g/mol7.7 g/cc585 C[1]
218BI3boron triiodide13517-10-7BI3crystalline solid391.52 g/mol3.35 g/cc (50 °C)49.9 °C, 323 K, 122 °F210 °C, 483 K, 410 °Finsoluble-18 °C
219Bi4(TiO4)3bismuth(III) titanate12048-51-0
220Bi5O(OH)9(NO3)4bismuth(IV) subnitrate1304-85-4
221BiBr3bismuth(III) bromide7787-58-8
222BiC6H5O7bismuth(III) citrate813-93-4
223BiCl3bismuth(III) chloride7787-60-2Bismuth trichloride, Trichlorobismuth, Trichlorobismuthine, Bismuth(III) chlorideBiCl3hygroscopic white to yellow crystals315.34 g/mol4.75 g/cc227 °C, 500 K, 441 °F447 °C, 720 K, 837 °FDecomposes to bismuth oxychloridesoluble in methanol, diethyl ether, acetonebismuth fluoride, bismuth subsalicylate, bismuth trioxideiron(III) chloride, manganese(II) chloride, cobalt(II) chloride
224BiF3bismuth(III) fluoride7787-61-3Bismuth trifluorideBiF3Orthorhombic, oP16, SpaceGroup = Pnma, No. 62 (β phase)grey-white powder265g mol-15.32 g cm-3[1]649ËÅ¡C[2]Insoluble in water[1]
225BiF5bismuth(V) fluoride7787-62-4bismuth(V) fluorideBiF5octahedral Bilong white needles,[1] colourless crystalline solid[2]303.97 g mol−15.40 g cm−3[1]151.4 °C[2], 154.4 °C[1]230 °C[1][2]bismuth trichloride, bismuth tribromide, bismuth triiodide, pentamethylbismuthphosphorus pentafluoride, arsenic pentafluoride, antimony pentafluoride
226BiH3bismuth(III) hydride18288-22-7
227BiI3bismuth(III) iodide7787-64-6Bismuth iodide, bismuth triiodideBiI3Trigonal, hR24greenish-black crystals589.69 g/mol5.778 g/cc408.6 °C542 °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 acidBismuth(III) fluoride Bismuth(III) chloride Bismuth(III) bromideNitrogen triiodide Phosphorus triiodide Antimony triiodide
228BiNbO4bismuth(III) orthoniobate12272-28-5
229BiOBrbismuth(III) oxybromide7787-57-7
230BiOClbismuth(III) oxychloride7787-59-9
231BiOIbismuth(III) oxyiodide7787-63-5
232BiONO3bismuth(III) oxynitrate10361-46-3
233BiPO4bismuth(III) phosphate10049-01-1
234BiTaO4bismuth(III) orthotantalate12272-29-6
235BiVO4bismuth(III) vanadate14059-33-7
236Bk2O3berkelium(III) oxide12310-58-6
237BkBr3berkelium(III) bromide22787-71-9
238BkCl3berkelium(III) chloride13536-46-4
239BkF3berkelium(III) fluoride20716-88-5
240BkF4berkelium(IV) fluoride22422-27-1
241BkI3berkelium(III) iodide23171-53-1
242BkOberkelium(II) oxide70424-36-1
243BkO2berkelium(IV) oxide12010-84-3
244BNboron nitride10043-11-5BNhexagonal, sphalerite, wurtzitewhite powder or translucent crystals (both c-BN and h-BN)24.818 g/mol3.4870 g/cc (cBN)2973 °C (cBN) (sublimes)200 cm2/(V·s) (cBN)2.17 (cBN)insolubleinsoluble in acids476.98 kJ mol−114.77 J mol−1 K−1BP, BAs B4C, B2O3
245BPboron phosphide20205-91-8BPTetrahedralZinc Blendemaroon powder41.7855 g/mol2.90 g/cc1100 °C (decomposes)4 W/(cm*K) (300 K)2 eV (indirect)5400 cm2/(V*s) (300 K)3.05 (0.63 µm)[1]
246BPO4boron orthophosphate13308-51-5
247Br2Obromine dioxide21308-80-5BrO2unstable yellow crystals111.903 g/mol[1]decomposes around 0°C [2]Bromine monoxide Bromine trifluoride Bromine pentafluorideOxygen difluoride Chlorine dioxide Iodine dioxide
248BrClbromine monochloride13863-41-7bromine(I) chloride bromochloride bromine chlorideBrCl115.357 g/mol2.172 g/cm³-66 °C5 °C
249BrFbromine monofluoride13863-59-7
250BrF3bromine trifluoride7787-71-5BrF3straw-coloured liquid hygroscopicPhase behaviour Solid, liquid, gas136.90 g/mol2.803 g/cc [1]8.77 °C125.72 °CUV, IR, NMR, MS1.19 DdecomposesBromine monochlorideChlorine trifluoride Iodine trifluoride
251BrF5bromine pentafluoride7789-30-2BrF5Pale yellow liquidPhase behaviour Solid, liquid, gas174.894 g.mol−12.466 g/cc−61.30 °C40.25 °CUV, IR, NMR, MSreactsBromine monochlorideChlorine pentafluoride Iodine pentafluorideNon-flammable
252BrN3bromine azide13973-87-0
253BrO2bromine monoxide21255-83-4
254Ca(AlH4)2calcium tetrahydroaluminate16941-10-9
255Ca(C2H3O2)2calcium acetate62-54-4Acetate of lime Calcium ethanoateC4H6CaO4White solid158.17 g mol−11.6 g/cc160 °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
256Ca(C2HO2)2calcium fumarate19855-56-2
257Ca(C3H5O2)2calcium propionate4075-81-4Calcium propionate MycobanC6H10CaO4White crystalline solid186.22Freely soluble
258Ca(CHO2)2calcium formate544-17-2formic acid calcium salt, calcoformCa(HCOO)2white powder130.113 g/mol2.02 g/ccdecomposes at 300°C16.1 g/100 mL (0 °C) 16.6 g/100 mL (20°C) 18.4 g/100 mL (100 °C)insoluble in ethanolCalcium acetateSodium formate
259Ca(ClO3)2calcium chlorate10137-74-3Ca(ClO3)2white solid206.98 g/mol2.71 g/cc325 °C209 g/100mL (20 °C)magnesium chlorate strontium chlorate barium chlorate
260Ca(ClO4)2calcium perchlorate13477-36-6
261Ca(CN)2calcium cyanide592-01-8
262Ca(H2PO2)2calcium hypophosphite7789-79-9
263Ca(IO3)2calcium iodate7789-80-2LautariteCa(IO3)2white solid215.89 g/mol (anhydrous) 389.88 g/mol (monohydrate)4.519 g/cc (monohydrate)540 °C (monohydrate)decomposes0.09 g/100 mL (0 °C) 0.24 g/100 mL (20 °C)non-flammable
264Ca(MnO4)2calcium permanganate10118-76-0Ca(MnO4)2purple crystals277.949 g/mol2.49 g/cc140 °C (decomp)solubleSodium permanganate Ammonium permanganate
265Ca(NO2)2calcium nitrite13780-06-8
266Ca(NO3)2calcium nitrate10124-37-5Kalksalpeter, nitrocalcite, Norwegian saltpeter, lime nitrateCa(NO3)2cubic (anhydrous) monoclinic (tetrahydrate)colourless164.088 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 acetoneCalcium sulfate Calcium chlorideMagnesium nitrate Strontium nitrate Barium nitrateNon-flammable
267Ca(OH)2calcium hydroxide1305-62-0Slaked lime Milk of lime Calcium(II) hydroxide Pickling limeCa(OH)2soft white powder/colourless liquidPhase behaviour Solid, liquid, gas74.093 g/mol2.211 g/cc, solid512 °C (decomp.)UV, IR, NMR, MS0.189 g/100 mL (0 °C) 0.173 g/100 mL (20 °C)Magnesium hydroxide Strontium hydroxide Barium hydroxideNon-flammable2.37
268Ca2P2O7calcium pyrophosphate7790-76-3Diphosphoric acid, calcium salt (1:2)Ca2O7P2254.053 g/mol3.09 g/cc1230 °CinsolubleCalcium phosphateMagnesium pyrophosphate Sodium pyrophosphateNon-flammable
269Ca2SiO4calcium silicate1344-95-2Calcium orthosilicate, silicic acid calcium salt, grammite, silene, micro-cell, beliteCa2SiO4White or cream powder116.16 g/mol1540 °C, 1813 K, 2804 °FNot applicable
270Ca3(AsO4)2calcium arsenate7778-44-1Calcium orthoarsenate Cucumber dustCa3As2O8white powder398.072 g/mol3.620 g/cc, solid1455°C (decomposes)0.013 g/100 mL (25°C)
271Ca3(C6H15O7)2calcium citrate5785-44-4E333Ca3(C6H5O7)2White powder498.46 g/mol (anhydrous) 570.5 g/mol (tetrahydrate)1.63 g/cc, solid120 °C (loses water)Decomposes0.085 g/100 mL (18°C) 0.095 g/100 mL (25 °C)Sodium citrate
272Ca3(PO4)2calcium phosphate7758-87-4
273Ca3N2calcium nitride12013-82-0tricalcium dinitrideCa3N2Cubic, cI80red-brown crystalline solid148.25 g mol−12.670 g/cc 2.63 g/cc (17 °C)1195 °C, 1468 K, 2183 °Fdecomposes
274Ca3P2calcium phosphide1305-99-3
275CaAl2O4calcium aluminate12042-68-1
276CaB6calcium boride12007-99-7Calcium borideCaB6Cubicblack powder104.94 g/mol2.45 g/cc2235°C /2770 Kinsoluble
277CaBr2calcium bromide7789-41-5Calcium dibromideCaBr2rhomboidOdorless, very hygroscopic colorless crystals sharp saline taste199.89 g/mol (anhydrous) 235.98 g/mol (dihydrate)3.353 g/cc730 °C1935 °C (anhydrous) 810 °C (dihydrate)125 g/100 mL (0 °C) 143 g/100 ml (20°C) 312 g/100 mL (100 °C)9
278CaC2calcium carbide75-20-7CaC26Tetragonal [1]White powder to grey/black crystals64.099 g/mol2.22 g/cc2160 °C, 2433 K, 3920 °F2300 °C, 2573 K, 4172 °Fdecomposes
279CaC2O4calcium oxalate563-72-4CaC2O4white solid128.097 g/mol, anhydrous 146.112 g/mol, monohydrate2.2 g/cm³, anhydrous 2.2 g/cm³, monohydrate200°C, decomposes (monohydrate)0.00067 g/100 ml (20 °C)
280CaCl2calcium chloride10043-52-4Calcium(II) chloride, Calcium dichloride, E509CaCl2octahedral, 6-coordinateOrthorhombic (deformed rutile), oP6white solidPhase behaviour Solid, liquid, gas110.98 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, MS74.5 g/100mL (20 °C) 59.5 g/100 mL (0 °C)calcium fluoride calcium bromide calcium iodidemagnesium chloride strontium chloride barium chloride8-9 (anhydrous) 6.5-8.0 (hexahydrate)
281CaCl2-6H2Ocalcium chloride hexahydrate7774-34-7
282CaCl2O2calcium hypochlorite7778-54-3Hypochlorous acid, calcium salt Bleaching powderCa(ClO)2white/gray powder142.985 g/mol2.35 g/cc (20 °C)100°C175°C, decomposes21 g/100 ml, reactsreacts in alcoholCalcium chlorideSodium hypochloriteNon-flammable
283CaCN2calcium cyanamide156-62-7Cyanamide calcium salt, Lime Nitrogen, UN 1403, NitrolimeCaCN2White solid (Often gray or black from impurities)80.102 g/mol2.29 g/cc1340 °C [1]1150-1200 °C (sublim.)ReactsNon-flammable
284CaCO3calcium carbonate471-34-1Limestone; calcite; aragonite; chalk; marbleCaCO3TrigonalFine white powder.100.087 g/mol2.71 g/cc (calcite) 2.83 g/cc (aragonite)825 °C (calcite) 1339 °C (aragonite)decomposes0.00015 mol/L (25°C)Calcium bicarbonateMagnesium carbonate Strontium carbonate Barium carbonateNon-flammable
285CaCr2O7calcium chromate14307-33-6Calcium chromate (VI) Calcium monochromate Calcium Chrome Yellow C. I. Pigment Yellow 33 Gelbin Yellow UltramarineCaCrO4monoclinicbright yellow powder156.072 g/mol3.12 g/cc2710 °C4.5 g/100 mL (0 °C) 2.25 g/100 mL (20 °C)
286CaF2calcium fluoride7789-75-5CaF2Ca, 8, cubic F, 4, tetrahedralcubic crystal system, cF12[2]White crystalline solid (single crystals are transparent)78.07 g mol−13.18 g/cc1418 °C, 1691 K, 2584 °F2533 °C, 2806 K, 4591 °F1.43280.0015 g/100 mL (18 °C) 0.0016 g/100 mL (20 °C)Calcium chloride Calcium bromide Calcium iodideMagnesium fluoride Strontium fluoride Barium fluorideNon-flammable
287CaH2calcium hydride7789-78-8Calcium(II) hydride Calcium dihydrideCaH2Orthorhombic, oP12gray powder (colourless when pure)42.094 g/mol1.70 g/cc, solid816 °Creacts violentlyreacts in alcoholSodium hydride, Potassium hydride
288CaHPO4calcium hydrogenorthophosphate7757-93-9
289CaI2calcium iodide10102-68-8CaI2octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164white solid293.887 g/mol (anhydrous) 365.95 g/mol (tetrahydrate)3.956 g/cm³[1]779 °C (tetrahydrate) with decomposition1100 °C64.6 g/100 mL (0 °C) 66 g/100 mL (20 °C) 81 g/100 mL (100 °C)soluble in acetone and alcoholscalcium fluoride calcium chloride calcium bromidemagnesium iodide strontium iodide barium iodide
290CaMoO4calcium molybdate7789-82-4
291CaOcalcium oxide1305-78-8QuicklimeCaOWhite to pale yellow powder56.077 g/mol3.35 g/cc2572 °C (2845 K)2850 °C (3123 K)reactsCalcium sulfide Calcium hydroxideBeryllium oxide Magnesium oxide Strontium oxide Barium oxideNon-flammable12.5
292CaO2calcium peroxide1305-79-9E930CaO26Tetragonalwhite to yellow powder72.077 g/mol2.91 g/cc~200 °CinsolubleCalcium oxideStrontium peroxide Barium peroxide Sodium peroxide12.5
293CaRe2O8calcium perrhenate13768-54-2
294CaScalcium sulfide20548-54-3Calcium monosulfide, Hepar calcies, Sulfurated lime OldhamiteCaSOctahedral (Ca2+); octahedral (S2–)Halite (cubic), cF8white crystals hygroscopic72.143 g/mol2.59 g/cc2525 °C2.137slightly solubleinsoluble in alcohol reacts with acidCalcium oxideMagnesium sulfide Strontium sulfide Barium sulfide
295CaSecalcium selenide1305-84-6
296CaSi2calcium silicide12013-56-8CaSi2whitish grey - black solid96.251 g/mol2.5 g/cc1020 °Cinsoluble
297CaSiO3calcium metasilicate1344-95-2
298CaSO4calcium sulfate7778-18-9Plaster of Paris Drierite GypsumCaSO4orthorhombicwhite solidPhase behaviour Solid, liquid, gas136.14 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, MS0.0021 g/100 mL (20 °C, anhydrous)[citation needed] 0.24 g/100mL (20 °C, dihydrate)-1434.5 kJ/molMagnesium sulfate Strontium sulfate Barium sulfateNon-flammable
299CaTecalcium telluride12013-57-9
300CaTiO3calcium titanate12049-50-2CaTiO3white powder135.943 g/mol3.98 g/cc1975 °C3000 °Cinsoluble
301CaWO4calcium tungstate7790-75-2
302Cd(C2H3O2)2cadmium acetate543-90-8Cadmium diacetateCd(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 iodideZinc acetate Mercury(II) acetate Silver acetate
303Cd(CN)2cadmium cyanide542-83-6Cd(CN)2white cubic crystals164.45 g/mol2.226 g/cc1.71 g/100 mL (15 °C) 2.2 g/100 mL (20 °C)slightly soluble in alcohol dissolves in alkali, metal cyanides and hydroxidesCadmium chloride, Cadmium iodideZinc cyanide, Calcium cyanide, Magnesium cyanide
304Cd(IO3)2cadmium iodate7790-81-0
305Cd(N3)2cadmium azide14215-29-3
306Cd(NO3)2cadmium nitrate10325-94-7Nitric acid, cadmium saltCd(NO3)2white crystals236.42 g/mol3.60 g/cc, solid350 °C, 623 K, 662 °F122 g/100 mL (0 °C) 136 g/100 mL (20 °C)soluble in acidsCadmium acetate, Cadmium chloride, Cadmium sulfateZinc nitrate, Calcium nitrate, Magnesium nitrate
307Cd(OH)2cadmium hydroxide21041-95-2Cd(OH)2hexagonalwhite crystals146.43 g/mol4.79 g/cc130 °C300 °C (decomp)0.026 g/100 mLsoluble in dilute acidsCadmium chloride, Cadmium iodideZinc hydroxide, Calcium hydroxide, Magnesium hydroxide
308Cd2Nb2O7cadmium niobate12187-14-3
309Cd3As2cadmium arsenide12006-15-4Cadmium diarsenideCd3As2solid, dark grey487.08 g/mol3.031decomposes in water
310Cd3N2cadmium nitride12380-95-9
311Cd3P2cadmium phosphide1204-28-7
312CdBr2cadmium bromide7789-42-6Cadmium dibromideCdBr2Rhombohedral, hr9, SpaceGroup = R-3m, No. 166white to pale yellow crystalline solid272.22 g/mol5.192 g/cc, solid568 °C844 °C56.3 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 iodideZinc bromide, Calcium bromide, Magnesium bromide
313CdC2O4cadmium oxalate814-88-0
314CdCl2cadmium chloride10108-64-2CdCl2Rhombohedral, hr9, SpaceGroup = R-3m, No. 166white solid, hygroscopic183.32 g/mol4.047 g/cc (solid)564 °C960 °C100 g/100 mL (0 °C) 135 g/100 mL (20 °C) 147 g/100 mL (100 °C)soluble in acetone, alcohol insoluble in etherCadmium fluoride Cadmium bromide Cadmium iodideZinc chloride Mercury(II) chloride Calcium chloride
315CdCO3cadmium carbonate513-78-0
316CdCrO4cadmium chromate14312-00-6
317CdF2cadmium fluoride7790-79-6Cadmium(II) fluoride, Cadmium difluorideCdF2Fluorite (cubic), cF12grey or white-grey crystals150.41 g/mol6.33 g/cc, solid1110 °C1748 °C4.35 g/100 mLsoluble in acid insoluble in ethanol alcohol and liquid ammoniaCadmium chloride, Cadmium bromide Cadmium iodideZinc fluoride, Calcium fluoride, Magnesium fluoride
318CdI2cadmium iodide7790-80-9Cadmium diiodideCdI2octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164white to pale yellow crystals366.22 g/mol5.640 g/cc, solid387 °C, 660 K, 729 °F742 °C, 1015 K, 1368 °F78.7 g/100 mL (0 °C) 84.7 g/100 mL (20 °C) 125 g/100 mL (100 °C)soluble in ethanol, acetone, ether and ammoniacadmium fluoride cadmium chloride cadmium bromidezinc iodide mercury(II) iodide
319CdMoO4cadmium molybdate13972-68-4
320CdOcadmium oxide1306-19-0Cadmium(II) oxide, Cadmium monoxideCdOface centered Cubic crystal systemcolorless powder (alpha form) red-brown crystal (beta form) [1]128.41 g mol−18.150 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-K531 cm2/V sinsolubleCadmium sulfide Cadmium selenide Cadmium tellurideZinc oxide Mercury oxideNon-flammable
321CdScadmium sulfide1306-23-6Cadmium(II) sulfide, Greenockite HawleyiteCdSHexagonal, CubicYellow-orange solid.144.46 g/mol4.82 g/cc, solid.1750 °C at 100 bar (10 MPa)980 °C subl.2.510.013 g/100 mL (20 °C) [1]Cadmium oxide Cadmium selenideZinc sulfide Mercury sulfideNon-flammable
322CdSbcadmium antimonide12014-29-8
323CdSecadmium selenide1306-24-7Cadmium(II) selenide, CadmoseliteCdSeWurtzite structure (hexagonal)Greenish-brown or dark red solid powder191.37 g/mol5.816 g/cc, solid1268 °C (1541 K)1.74 eV2.5InsolubleCadmium oxide, Cadmium sulfide, Cadmium tellurideZinc selenide, Mercury(II) selenide
324CdSiO3cadmium silicate13477-19-5
325CdSO4cadmium sulfate10124-36-4Sulfuric acid, cadmium salt (1:1), NiedermayriteCdSO4 CdSO4·H2O (monohydrate) 3CdSO4·8H2O (octahydrate)orthorhombic (anhydrous) monoclinic (octahydrate)White hygroscopic solid208.47 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 solubleinsoluble in ethanolCadmium acetate, Cadmium chloride, Cadmium nitrateZinc sulfate, Calcium sulfate, Magnesium sulfate
326CdTecadmium telluride1306-25-8Irtran-6CdTezincblende (cubic) (space group F-43m240.01 g mol−15.85 g/cc1092 °C1130 °C1.56 eV (direct)2.67 (@10 µm)Cadmium oxide Cadmium sulfide Cadmium selenideZinc telluride Mercury telluride
327CdTiO4cadmium titanate12014-14-1
328CdWO4cadmium tungstate7790-85-4CdO4Wcolorless crystals with a yellow tint360.25 g mol−17.9 g/cc, solid1325 °C0.04642 g/100 mL (20 °C)
329Ce(CHO2)3cerium(III) formate3252-51-5
330Ce2(C2O4)3cerium(III) oxalate15750-47-7
331Ce2O3cerium(III) oxide1306-38-3Ce2O3Hexagonal, hP5yellow/green pulver,328.24 g/mol6.2 g/cc2177 °Cinsoluble
332Ce2S3cerium(III) sulfide12014-93-6
333CeBr3cerium(III) bromide7790-86-5Cerous bromideCeBr3Tricapped trigonal prismatic (nine-coordinate)hexagonal (UCl3 type), hP8grey to white solid, hygroscopic379.83 g/mol (anhydrous)5.1 g/cc, solid722 °C1457 °CNot Published YetCerium(III) fluoride Cerium(III) chloride Cerium(III) iodideLanthanum(III) bromide Praseodymium(III) bromidenot flammable
334CeCl3cerium(III) chloride7790-86-5Cerous chlorideCeCl3Tricapped trigonal prismatic (nine-coordinate)hexagonal (UCl3 type), hP8fine white powder246.48 g/mol (anhydrous) 372.58 g/mol (heptahydrate)3.97 g/cc817 °C (anhydrous) 90 °C (heptahydrate, decomp)1727 °C100 g/100 mlsoluble in alcoholCerium(III) fluoride Cerium(III) bromide Cerium(III) iodideLanthanum(III) chloride Praseodymium(III) chlorideNon-flammable
335CeF2cerium(II) fluoride22655-57-8
336CeF3cerium(III) fluoride7758-88-5
337CeF4cerium(IV) fluoride10060-10-3
338CeH2cerium(II) hydride13569-50-1
339CeI2cerium(II) iodide19139-47-0
340CeI3cerium(III) iodide7790-87-6
341CeNcerium(III) nitride25764-08-3
342CeO2cerium(IV) oxide1306-38-3Ceric oxide, Ceria, Cerium dioxideCeO2cubic [1]white or pale yellow solid, slightly hygroscopic172.115 g/mol7.65 g/cc, solid 7.215 g/cc, fluorite phase2400 °C3500 °Cinsoluble
343CeScerium(II) sulfide12014-82-3
344CeVO2cerium(III) vanadate13597-19-8
345Cf2O3californium(III) oxide12050-91-8
346CfBr2californium(II) bromide36700-18-2
347CfBr3californium(III) bromide20758-68-3
348CfCl2californium(II) chloride99643-99-9
349CfCl3californium(III) chloride13536-90-8
350CfF3californium(III) fluoride42775-52-0
351CfF4californium(IV) fluoride42845-08-9
352CfI2californium(II) iodide49774-08-5
353CfI3californium(III) iodide20758-81-0
354CfO2californium(IV) oxide12015-10-0
355Cl2Ochlorine monoxide7791-21-1
356Cl2O3chlorine trioxide17496-59-2Chlorine(VI) oxide; Chlorine trioxide; Chloryl perchlorateCl2O6red liquid166.901 g/mol1.65 g/cc3.5 °C200 °Creacts with water
357Cl2O6chlorine hexoxide12442-63-6
358Cl2O7chlorine heptoxide10294-48-1
359ClFchlorine monofluoride7790-89-8Chlorine fluorideClF54.45 g mol−11.62 g mL (liquid, −100 °C)−155.6 °C−100.1 °C33.01 J K−1 mol−10.881 D (2.94 × 10−30 C m)−56.5 kJ mol−1217.91 J K−1 mol−1
360ClF3chlorine trifluoride7790-91-2ClF3yellowish gas or liquid92.448 g/mol1.77 g/cc (13 °C, liquid) .004 g/cc (gas)-76.34 °C11.75 °Chydrolysis-158.87 kJ/mol [1]281.59 J K−1 mol−1 [1]9.182 x 10-5 Pa s
361ClF5chlorine pentafluoride13637-63-3ClF5colorless gas130.445 g mol−14.5 g/cc−103 °C−13.1 °Chydrolyzes−238.49 kJ mol−1310.73 J K−1 mol−1
362ClO2chlorine dioxide10049-04-4ClO2yellowish gas or liquid67.45 g/mol3.04 g/cc-59.5 °C11 °C0.8 g/100 mL (20 °C)soluble in alkalies, sulfuric acid+104.60 kJ/mol257.22 J K−1 mol−12.5-3.5
363ClOClO3chlorine perchlorate27218-16-2Dichlorine tetroxideCl2O4pale green liquid134.904 g/mol1.81 g/cc-117 °Cdecomposes at 25 °C
364Cm2O3curium(III) oxide12371-27-6Curium sesquioxideCm2O3Hexagonal, hP5542.139 g/molnone
365CmBr3curium(III) bromide14890-42-7
366CmCl3curium(III) chloride13537-20-7
367CmF3curium(III) fluoride13708-79-7
368CmF4curium(IV) fluoride24311-95-3
369CmI3curium(III) iodide14696-85-6
370CmOcurium(II) oxide24762-86-5
371CmO2curium(IV) oxide12016-67-0
372Co(C11H10O2)2cobalt(II) naphthenate61789-51-3NaphtoliteN/Abrown amorphous or bluish-red solid0.96 g/cm³, solid140 °C>150 °Cnone49 °C
373Co(C2H3O2)2cobalt(II) acetate71-48-7C4H6CoO4Red solid177.02 g mol−11.71 g/cc (tetrahydrate)Soluble
374Co(C2H3O2)2cobalt(II) acetate tetrahydrate6147-53-1C4H6CoO4Red solid177.02 g mol−11.71 g/cc (tetrahydrate)Soluble
375Co(ClO4)2cobalt(II) perchlorate13455-31-7
376Co(CN)2cobalt(II) cyanide542-84-7cobaltous cyanideCo(CN)2deep-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)insolubledihydrate soluble in NaCN, KCN, NH4OH, HClCadmium chloride, Cadmium iodideZinc cyanide, Calcium cyanide, Magnesium cyanide
377Co(IO3)2cobalt(II) iodate13455-28-2
378Co(NO3)2cobalt(II) nitrate10141-05-6Cobaltous nitrate Nitric acid, cobalt(2+) saltCo(NO3)2monoclinic (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) chlorideIron(II) nitrate Nickel(II) nitrate
379Co(NO3)2-6H2Ocobalt(II) nitrate hexahydrate10026-22-9
380Co(NO3)3cobalt(III) nitrate15520-84-0
381Co(OH)2cobalt(II) hydroxide21041-93-0Cobaltous hydroxide, cobalt hydroxide, cobaltous hydrateCo(OH)2rhombohedralrose-red powder or bluish-green powder92.948 g/mol3.597 g/cc168 °C (decomp)[1]3.2 g/100mLsoluble in acids, ammonia; insoluble in dilute alkalis-539.7 kJ•mol-179.0 J•mol-1•K-1[2]Cobalt(II) chloride Cobalt(II) bromide Cobalt(II) iodideIron(II) hydroxide Nickel(II) hydroxide Copper(II) hydroxide
382Co(OH)3cobalt(III) hydroxide1307-86-4
383Co2O3cobalt(III) oxide1308-04-9cobaltic oxide, cobalt sesquioxideCo2O3Trigonal, hR30black powder165.86 g/mol5.18 g/cc [2]1900 °C
384Co2O3-H2Ocobalt(III) oxide monohydrate12016-80-7
385Co2S3cobalt(III) sulfide1332-71-4
386Co2SiO4cobalt(II) orthosilicate12017-08-2
387Co2SnO4cobalt(II) stannate12139-93-4
388Co2TiO4cobalt(III) titanate12017-38-8
389Co3(Fe(CN)6)2cobalt(II) ferricyanide14049-81-1
390CoAl2O4cobalt(II) aluminate13820-62-7
391CoBr2cobalt(II) bromide7789-43-7CoBr2octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164Green powder218.74 g/mol4.909 g/cc678 °C112 g/100 mLcobalt(II) fluoride cobalt(II) chloride cobalt(II) iodideiron(II) bromide nickel(II) bromideNon-flammable
392CoC15H21O6cobalt(III) acetylacetonate21679-46-9
393CoC2O4cobalt(II) oxalate814-89-1
394CoCl2cobalt(II) chloride7646-79-9Cobaltous chlorideCoCl2OctahedralCdCl2 structuresee text129.839 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 °C1049 °C43.6 g/100 mL (0 °C) 45 g/100 mL (7 °C) 52.9 g/100 mL (20 °C)soluble in acetone, ethanol, etherCobalt(II) fluoride Cobalt(II) bromide Cobalt(II) iodideRhodium(III) chloride Iridium(III) chlorideNon-flammable
395CoCl2-6H2Ocobalt(II) chloride hexahydrate7791-13-1
396CoCl3cobalt(III) chloride10241-04-0
397CoCr2O4cobalt(II) chromite13455-25-9
398CoCrO4cobalt(II) chromate24613-38-5
399CoF2cobalt(II) fluoride10026-17-2cobalt difluorideCoF2Red crystalline solid96.93 g/mol4.46 g/cc (anhydrous) 2.22 g/cc (trihydrate)1217 °C, 1490 K, 2223 °F1400 °C, 1673 K, 2552 °FInsolublecobalt(II) oxide, cobalt(II) chlorideiron(II) fluoride, nickel(II) fluoride
400CoF3cobalt(III) fluoride10026-18-3Cobalt trifluoride Cobaltic fluoride Cobalt fluoride Cobaltic trifluorideCoF3115.9284 g/mol3.88 g/cc927 °C [1]reactscobalt(III) oxide, cobalt(III) chlorideiron(III) fluoride, rhodium(III) fluoride
401CoF4cobalt(IV) fluoride13596-45-7
402CoI2cobalt(II) iodide15238-00-3cobaltous iodide, cobalt diiodideCoI2α-form: black hexagonal crystal β-form: yellow powder312.7421 g/mol (anhydrous) 420.83 g/mol (hexahydrate)α-form: 5.584 g/cm³ β-form: 5.45 g/cm³ hexahydrate: 2.09 g/ccα-form: 515-520°C under vacuum β-form: converts to α-form at 400°C570 °C67.0 g/100 mL[1]Cobalt(II) fluoride Cobalt(II) chloride Cobalt(II) bromideNickel(II) iodide Copper(I) iodide
403CoMoO4cobalt(II) molybdate13762-14-6
404CoOcobalt(II) oxide1307-96-6Cobaltous oxide Cobalt monoxideCoOcubic, cF8black powder74.9326 g/mol6.44 g/cc [1]1933 °C, 2206 K, 3511 °F3.3 g/100mLCobalt(II) sulfide Cobalt(II) hydroxideIron(II) oxide Nickel(II) oxideNon-flammable
405CoScobalt(II) sulfide1317-42-6CoSblack solid90.998 g/mol5.45 g/cc1195 °Cinsoluble
406CoS2cobalt(IV) sulfide12013-10-4
407CoSecobalt(II) selenide1307-99-9
408CoSO4cobalt(II) sulfate10124-43-3CoSO4reddish 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
409CoTecobalt(II) telluride12017-13-9
410CoTiO3cobalt(II) titanate12017-01-5
411CoWO4cobalt(II) tungstate12640-47-0
412Cr(C6H4NO2)3chromium(III) picolinate14639-25-9Cr(C6H4NO2)3418.33 g/mol
413Cr(CO)6chromium(VI) carbonyl13007-92-6Chromium carbonylC6CrO6octahedralorthrhombiccolorless crystals220.057 g/mol1.77 g/cc, solid150 °C210 °C (decomp)0 Dinsolublesoluble in ether, chloroform, THP, methylene chlorideMolybdenum hexacarbonyl Tungsten hexacarbonyl210 °C
414Cr(NO3)3chromium(III) nitrate13548-38-4Nitric acid, chromium(3+) saltCr(NO3)3blue-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
415Cr2(SO4)3chromium(III) sulfate10101-53-8Basic chromium sulfate, chromic sulfateH24Cr2S3O24reddish-brown crystals392.16 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
416Cr2O3chromium(III) oxide1308-38-9Chromium sesquioxide Chromia Chrome green EskolaiteCr2O3151.99 g/mol5.22 g/cc2435 °C, 2708 K, 4415 °F4000 °C, 4273 K, 7232 °F2.5insoluble
417Cr2S3chromium(III) sulfide12018-22-3Cr2S3Brown to black odorless powder200.19 g/mol3.77 g/cc1350 °CinsolubleChromium(III) oxide
418Cr2Te3chromium(III) telluride12053-39-3
419Cr3C2chromium(II) carbide12012-35-0Cr3C2Orthorhombic, oP20gray orthorhombic crystals180.009 g/mol6.68 g/cc1895°C
420Cr3O4chromium(II,III) oxide12018-34-7
421CrBr2chromium(II) bromide10049-25-9
422CrBr3chromium (III) bromide10031-25-1
423CrBr4chromium(IV) bromide23098-84-2
424CrCl2chromium(II) chloride10049-05-5Chromous chlorideCrCl2octahedral, 6-coordinateOrthorhombic (deformed rutile), oP6122.902 g/mol2.9 g/cc824°C1120°CsolubleChromium(II) fluoride Chromium(II) bromide Chromium(II) iodideChromium(III) chloride Chromium(IV) chloride Molybdenum(II) chloride Tungsten(II) chloride
425CrCl3chromium(III) chloride10025-73-7Chromic chlorideCrCl3OctahedralYCl3 structuresee text158.36 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, acetoneChromium(III) fluoride Chromium(III) bromide Chromium(III) iodideMolybdenum(III) chloride Tungsten(III) chlorideNon-flammable2.4 (0.2M solution)
426CrCl4chromium(IV) chloride15597-88-3CrCl4gas, stable at high temperature193.807 g/mol7.922 g/Ldecomposes above 600°C
427CrF2chromium(II) fluoride10049-10-2
428CrF3chromium(III) fluoride7788-97-8CrF3Rhombohedral, hR24green crystalline solid108.9913 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
429CrF4chromium(IV) fluoride10049-11-3
430CrF5chromium(V) fluoride13843-28-2
431CrF6chromium(VI) fluoride13843-28-2
432CrI2chromium(II) iodide13478-28-9
433CrI3chromium(III) iodide13569-75-0
434CrI4chromium(IV) iodide23518-77-6
435CrNchromium(III) nitride12053-27-9Chromium(III) nitrideCrNBlack powder66.003 g/mol5.9 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
436CrO2chromium(IV) oxide12018-01-8Crolyn magtrieveCrO2Rutile (tetragonal), tP6black tetrahedral ferromagnetic crystals83.9949 g/mol4.89 g/cc375°C (decomposes)InsolubleNon-flammable
437CrO3chromium(VI) oxide1333-82-0Chromic anhydride, chromium(VI) oxide, chromic acid, anhydride, chromic acid (misnomer)CrO3dark red granular solid99.9943 g/mol2.70 g/cc (20 °C)197 °C251 °C, decomposes61.7 g/100 mL (0 °C) 63 g/100 mL (25 °C) 67 g/100 mL (100 °C)soluble in sulfuric acid, nitric acid
438CrPO4chromium(III) phosphate7789-04-0
439CrSechromium(II) selenide12053-13-3
440Cs2C2O4caesium oxalate1068-63-9
441Cs2CdI4caesium tetraiodocadamate15683-21-3
442Cs2CO3caesium carbonate534-17-8Cesium carbonateCs2CO3white powder325.82 g/mol4.072 g/cc610 °C (decomp.)260.5 g/100 mL (15 °C)Caesium bicarbonateLithium carbonate Sodium carbonate Potassium carbonate Rubidium carbonatenon-flammable
443Cs2CrO4caesium chromate56320-90-2CrCs2O4Yellow crystalline solid381.8 g mol−14.237 g/cc71.4 g/100 ml (13 ºC)Caesium sulfateSodium chromate Potassium chromate Ammonium chromatenon-flammable
444Cs2MoO4caesium molybdate13597-64-3
445Cs2Ocaesium oxide20281-00-9Cesium oxide (US)Cs2Oanti-CdCl2 (hexagonal)yellow-orange solid281.81 g/mol4.65 g/cc, solid490 °C (under N2)76.0 J K-1 mol-1reacts-345.8 kJ/mol146.9 J K-1 mol-1Caesium hydroxideLithium oxide Sodium oxide Potassium oxide Rubidium oxidenon-flammable
446Cs2O2caesium peroxide12053-70-2
447Cs2Scaesium sulfide12214-16-3
448Cs2Secaesium selenide31052-46-7
449Cs2SO4caesium sulfate10294-54-9Cs2SO4361.87 g/mol4.243 g/cc, solid1010 ºC167 g/100 ml (0 ºC)insoluble in ethanol, acetoneCaesium hydrogensulfateLithium sulfate Sodium sulfate Potassium sulfate Rubidium sulfatenon-flammable
450Cs2Tecaesium telluride12191-06-9
451Cs2WO4caesium tungstate13587-19-4
452Cs2ZnI4caesium tetraiodozincate15158-68-6
453CsBO2caesium metaborate92141-86-1
454CsBrcaesium bromide7787-69-1Cesium bromide, Caesium(I) bromideCsBr8–8CsClWhite solid212.81 g/mol4.44 g/cc, solid636 °C1300 °C106.2 g/100 g (15 °C) 124.3 g/100 g (25 °C)Caesium fluoride, Caesium chloride, Caesium iodideSodium bromide, Potassium bromide Rubidium bromideNon-flammable
455CsBrO3caesium bromate13454-75-6
456CsC2H3O2caesium acetate3399-17-5Cesium acetateC2H3CsO2colourless, hygroscopic191.95 g mol−12.423 g/cc, solid194 °C, 467 K, 381 °F945 °C, 1218 K, 1733 °F945.1 g/100 g (-2.5 °C) 1345.5 g/100 ml (88.5 ºC)Caesium formateLithium acetate Sodium acetate Potassium acetate Rubidium acetatenon-flammable
457CsClcaesium chloride7647-17-8Cesium chlorideCsClsimple cubicCaesium chloride (see text)white solid hygroscopic168.36 g/mol3.99 g/cc645 °C1297 °C (vaporizes)162 g/100 mL (1 °C)soluble in ethanol [1]Caesium fluoride Caesium bromide Caesium iodideLithium chloride Sodium chloride Potassium chloride Rubidium chloride
458CsClO3caesium chlorate13763-67-2
459CsClO4caesium perchlorate13454-84-7Cesium perchlorateCsClO4orthorhombic (<219 °C) cubic (>219 ºC, a = 798 pm)Colorless crystalls232.36 g/mol3.327 g/cc250 °C decomp.1.974 g/100 ml (25 ºC)Caesium chloride Caesium chlorateLithium perchlorate Sodium perchlorate Potassium perchlorate Rubidium perchloratenon-flammable
460CsCNcaesium cyanide21159-32-0
461CsFcaesium fluoride13400-13-0Cesium fluorideCsFOctahedralcubicwhite crystalline solid151.90 g/mol4.115 g/cc682 °C (955 K)1251 °C (1524 K)7.9 D367 g/100 ml (18 °C)Caesium chloride Caesium bromide Caesium iodideLithium fluoride Sodium fluoride Potassium fluoride Rubidium fluorideNon-flammable
462CsHcaesium hydride58724-12-2CsHOctahedralFace centered cubicWhite or colorless crystals or powder133.91339 g/molCsF, CsCl, CsBr, CsILiH, NaH, KH, RbH, and all other hydrides
463CsIcaesium iodide7789-17-5CsICubic (Cs+) Cubic (I−)CsClwhite crystalline solid259.81 g/mol4.51 g/cc, solid621 °C1277±5 °C1.73944 g/100 ml (0 °C)Caesium fluoride Caesium chloride Caesium bromideLithium iodide Sodium iodide Potassium iodide Rubidium iodidenon-flammable
464CsIO3caesium iodate13454-81-4
465CsIO4caesium periodate13478-04-1
466CsMnO4caesium permanganate13456-28-5
467CsN3caesium azide22750-57-8
468CsNH2caesium amide22205-57-8
469CsNO2caesium nitrite13454-83-6
470CsNO3caesium nitrate7789-18-6CsNO3white solid194.91 g/mol3.685 g/cc414 ºCdecomp., see text9.16 g/100 ml (0 ºC) 196.8 g/100 ml (100 ºC)Caesium nitriteLithium nitrate Sodium nitrate Potassium nitrate Rubidium nitratenon-flammable
471CsO2caesium superoxide12018-61-0
472CsOHcaesium hydroxide21351-79-1CsOHwhitish-yellow deliquescent crystals149.912 g/mol3.675 g/cc, solid342.3°C69.9 J/molK[2]300 g/100 ml at 30°Csoluble in ethanol[1]−416.2 kJ·mol-1104.2 J·K−1·mol−1Caesium oxide Caesium fluorideLithium hydroxide Sodium hydroxide Potassium hydroxide Rubidium hydroxideNon flammable1.76
473CsVO3caesium vanadate14644-55-4
474Cu(BF4)2copper(II) tetrafluoroborate14735-84-3
475Cu(BO2)2copper(II) borate393290-85-2
476Cu(C16H35O2)2copper(II) stearate660-60-6
477Cu(C18H33O2)2copper(II) oleate1120-44-1
478Cu(C2H3O2)2copper(II) acetate142-71-2Cupric acetateCu(CH3COO)2MonoclinicDark green crystalline solid182 g/mol1.88 g/mL115 °C (388 K)240 °C (513 K)Non-flammable
479Cu(CHO2)2copper(II) formate544-19-4
480Cu(ClO4)2copper(II) perchlorate13770-18-8
481Cu(CN)2copper(II) cyanide14763-77-0
482Cu(N3)2copper(II) azide14215-30-6Cu(N3)2brown orthorhombic crystals147.586 g/mol2.6 g/cm 3(explodes)Lead(II) azide Silver azide Sodium azide
483Cu(NO3)2copper(II) nitrate3251-23-8Cupric nitrateCu(NO3)2orthorhombic (anhydrous) rhombohedral (hydrates)blue crystals hygroscopic187.56 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, waterCopper(II) sulfate Copper(II) chlorideNickel(II) nitrate Zinc nitrate
484Cu(OH)2copper(II) hydroxide20427-59-2Cupric hydroxideCu(OH)2Blue or blue-green solid97.561 g/mol3.368 g/cc, solid80 °C (decomp into CuO)negligibleinsoluble in ethanol; soluble in NH4OH, KCNCopper(II) oxide Copper(II) carbonateNickel(II) hydroxide Zinc hydroxideNon-flammable
485Cu2C2copper(I) acetylide1117-94-8C2Cu2151.11 g/mol
486Cu2Fe(CN)6copper(II) ferrocyanide13601-13-3
487Cu2Ocopper(I) oxide1317-39-1Cuprous oxide Dicopper oxide Cuprite Red copper oxideCu2Ocubicbrownish-red solid143.09 g/mol6.0 g/cc1235 °C, 1508 K, 2255 °F1800 °C, 2073 K, 3272 °FInsolubleCopper(I) sulfide Copper(II) sulfide Copper(I) selenideCopper(II) oxide Silver(I) oxide Nickel(II) oxide Zinc oxide
488Cu2P2O7copper(II) pyrophosphate10102-90-6
489Cu2Scopper(I) sulfide22205-45-4Cuprous sulfide Chalcocite Copper glanceCu2S159.16 g/mol5.6 g/cc [1]1130 °C[2]Insolubleslightly soluble in HCl; soluble in NH4OH; dissolves in KCN; decomposes in HNO3, H2SO4Copper(I) oxide Copper(I) selenideNickel(II) sulfide Copper(II) sulfide Zinc sulfideNon-flammable
490Cu2Secopper(I) selenide20405-64-5
491Cu2Tecopper(I) telluride12019-52-2
492Cu3(AsO4)2copper(II) arsenate10103-61-4Copper arsenateCu3(AsO4)2blue or bluish green powder468.48 g/mol5.2 g/cc1100 °Cinsolublesoluble in ammonia, dilute acids
493CuBrcopper(I) bromide7787-70-4Cuprous bromideCuBrgreen powder (see text)143.45 g/mol4.71 g/cc, solid492 °C, 765 K, 918 °F1345 °C, 1618 K, 2453 °F2.09slightly solubleCopper(I) chloride Copper(I) iodideSilver(I) bromide Copper(II) bromide Mercury(I) bromideNon-flammable
494CuBr2copper(II) bromide7789-45-9Cupric bromideCuBr2grayish black crystals223.37 g/mol4.71 g/cc, solid498 °C (771 K)600 °C (1173 K)55.7 g/100mL (20 °C)copper(II) fluoride copper(II) chloridenickel(II) bromide copper(I) bromide zinc bromide
495CuC2copper(II) acetylide1117-94-8
496CuC2H3O2copper(I) acetate598-54-9
497CuC2O4copper(II) oxalate814-91-5
498CuClcopper(I) chloride7758-89-6Cuprous chlorideCuClZinc blende structurewhite powder, slightly green from oxidized impurities98.999 g/mol4.145 g/cc426 °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, NH4OHCopper(I) bromide Copper(I) iodideCopper(II) chloride Silver(I) chlorideNon-flammable
499CuCl2copper(II) chloride7447-39-4Cupric chlorideCuCl2Octahedraldistorted CdI2 structureyellow-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) bromideCopper(I) chloride Silver chloride Gold(III) chlorideNon-flammable
500CuCl2-2H2Ocopper(II) chloride dihydrate10125-13-0
501CuCNcopper(I) cyanide544-92-3Cuprous cyanideCuCNwhite to greenish powder89.563 g/mol2.92 g/cc [1]474 °C, 747 K, 885 °Fnegligibleinsoluble in ethanol, cold dilute acids; soluble in NH4OH, KCNNon-flammable
502CuCrO4copper(II) chromate13548-42-0
503CuFcopper(I) fluoride13478-41-6cuprous fluorideCuFsphaleritecrystalline solid82.54 g/mol7.1 g/cc
504CuF2copper(II) fluoride7789-19-7Cupric fluoride; Copper fluorideCuF2White crystalline powder When hydrated: Blue101.543 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) chloridesilver(II) fluoride cobalt(II) fluoride
505CuHcopper(I) hydride13517-00-5
506CuHAsO3copper(II) arsenite10290-12-7
507CuIcopper(I) iodide7681-65-4Cuprous iodideCuITetrahedral anions and cationszincblendeWhite powder when impure: tan or brownish190.45 g/mol5.67 g/cc [1]606 °C1290 °C (decomposes)2.346insolublesoluble in 3.5 M KI soln.Copper(I) fluoride Copper(I) chloride Copper(I) bromidesilver(I) iodideNon-flammable
508CuMoO4copper(II) molybdate13767-34-5
509CuN3copper(I) azide14336-80-2
510CuOcopper(II) oxide1317-38-0Cupric oxideCuOmonoclinic, mS8[1]black powder79.545 g/mol6.31 g/cc1201 °C (1474 K)2000 °C1.2 eVinsolubleCopper(II) sulfideNickel(II) oxide Zinc oxideNon-flammable
511CuScopper(II) sulfide1317-40-4covellite Copper(II) sulfideCuS95.611 g/mol4.6 g/ccabove 500°C (decomposes [2])1.45 [1]insolublesoluble in HNO3, NH4OH, KCN soluble in HCl, H2SO4Copper(II) oxidezinc sulfide
512CuSCNcopper(I) thiocyanate1111-67-7
513CuSecopper(II) selenide1317-41-5
514CuSO4copper(II) sulfate7758-98-7Cupric sulfate Blue vitriol Bluestone ChalcanthiteCuSO4OctahedralTriclinicblue 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 ethanol109.05 J K−1 mol−1Nickel(II) sulfate Zinc sulfateNon-flammable
515CuTecopper(II) telluride12019-23-7
516CuWO4copper(II) tungstate13587-35-4
517Dy(CHO2)3dysprosium(III) formate3252-58-2
518Dy2O3dysprosium(III) oxide1308-87-8Dy2O3Cubic, cI80White powder.372.998 g/mol7.80 g/cc2408 °C[1]Negligible
519Dy2S3dysprosium(III) sulfide12133-10-7
520DyB4dysprosium(II) boride12310-43-9
521DyBr2dysprosium(II) bromide83229-05-4
522DyBr3dysprosium(III) bromide14456-48-5
523DyCl2dysprosium(II) chloride13767-31-2
524DyCl3dysprosium(III) chloride10025-74-8DyCl3OctahedralAlCl3 structurewhite solid268.86 g/mol (anhydrous)3.67 g/cm³, solid647 °C (anhydrous)1530 °CSolubleDysprosium(III) fluoride Dysprosium(III) bromide Dysprosium(III) iodideTerbium(III) chloride Dysprosium(II) chloride Holmium(III) chloridenon flammable
525DyF3dysprosium(III) fluoride13569-80-7
526DyH3dysprosium(III) hydride13537-09-2
527DyI2dysprosium(II) iodide36377-94-3
528DyI3dysprosium(III) iodide15474-63-2
529DyNdysprosium(III) nitride12019-88-4
530DySi2dysprosium(II) silicide12133-07-2
531Er(CHO2)3erbium(III) formate15331-72-3
532Er2(SO4)3erbium(III) sulfate13478-49-4
533Er2O3erbium(III) oxide12061-16-4Erbium oxide, erbiaEr2O3Cubic, cI80pink crystals382.56 g/mol8.64 g/cc2344°C3290°C108.5 J/molK-1897.9 kJ·mol-1155.6 J/molK
534Er2S3erbium(III) sulfide12159-66-9
535Er2Te3erbium(III) telluride12020-39-2
536ErB4erbium(III) boride12310-44-0
537ErBr3erbium(III) bromide13536-73-7
538ErCl3erbium(III) chloride10138-41-7Erbium trichlorideErCl3 (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 °Csoluble in water (anhydrous) slightly soluble in ethanol (hexahydrate)[1]
539ErCl3-6H2Oerbium(III) chloride hexahydrate10025-75-9
540ErF3erbium(III) fluoride13760-83-3
541ErH3erbium(III) hydride13550-53-3
542ErI3erbium(III) iodide13813-42-8
543ErNerbium(III) nitride12020-21-2
544ErNbO4erbium(III) niobate12061-00-6
545ErSerbium(II) sulfide12159-66-9
546ErTeerbium(II) telluride12020-39-2
547ErVO4erbium(III) vanadate13596-17-3
548Es2O3einsteinium(III) oxide37362-94-0
549EsBr2einsteinium(II) bromide70292-43-2
550EsBr3einsteinium(III) bromide72461-17-7
551EsCl2einsteinium(II) chloride66693-95-6
552EsCl3einsteinium(III) chloride24645-86-1
553EsF3einsteinium(III) fluoride99644-27-6
554EsI2einsteinium(II) iodide70292-44-3
555EsI3einsteinium(III) iodide99644-28-7
556Eu(CHO2)3europium(III) formate3252-55-9
557Eu(NbO3)2europium(II) niobate55216-32-5
558Eu2(SO4)3europium(III) sulfate13537-15-0
559Eu2O3europium(III) oxide1308-96-9Eu2O3Monoclinic, CubicWhite powder.351.926 g/mol7.40 g/cc2350 °C[1]Negligible
560EuBr2europium(II) bromide13780-48-8
561EuBr3europium(III) bromide13759-88-1
562EuCl2europium(II) chloride13769-20-5
563EuCl3europium(III) chloride10025-76-0Tricapped trigonal prismatic (nine-coordinate)hexagonal (UCl3 type), hP8
564EuF2europium(II) fluoride14077-39-5
565EuF3europium(III) fluoride13765-25-8
566EuI2europium(II) iodide22015-35-6
567EuI3europium(III) iodide13759-90-5
568EuNeuropium(III) nitride12020-58-5
569EuSeuropium(II) sulfide12020-65-4
570EuSeeuropium(II) selenide12020-66-5
571EuSi2europium(II) silicide12434-24-1
572EuTeeuropium(II) telluride12020-69-8
573EuVO4europium(II) vanadate13537-11-6
574F2Ofluorine monoxide7783-41-7difluorine monoxide fluorine monoxide oxygen difluoride oxygen fluoride hypofluorous anhydrideOF253.9962 g/mol1.9 g/cc−223.8 °C−144.8 °C24.5 kJ mol−1
575F2O2fluorine dioxide7783-44-0dioxygen difluoride fluorine dioxide difluorine dioxide perfluoroperoxideF2O269.996 g mol−1−154 °C, 119 K, -245 °F−57 °C (extrapolated)
576Fe(AlO2)2iron(II) aluminate12068-49-4
577Fe(C2H3O2)2iron(II) acetate3094-87-9Ferrous acetateFe(CH3CO2)2173.93 g/mol190–200 °C (dec)
578Fe(H2PO2)3iron(III) hypophosphite7783-84-8
579Fe(NO3)2iron(II) nitrate14013-86-6
580Fe(OH)2iron(II) hydroxide18624-44-7Ferrous hydroxideFe(OH)2brown solid89.86 g/mol3.4 g/cc [1]0.00015 g/100 mL (20 °C)Non-flammable
581Fe(OH)3iron(III) hydroxide1309-33-7
582Fe(VO3)3iron(III) metavanadate65842-03-7
583Fe2(C2O4)3iron(III) oxalate19469-07-9
584Fe2(Cr2O7)3iron(III) dichromate10294-53-8
585Fe2(CrO4)3iron(III) chromate10294-52-7Fe2(CrO4)3yellow powder459.671 g/molinsoluble
586Fe2(SO4)3iron(III) sulfate10028-22-5Ferric sulfate Sulfuric acid, iron(3+) salt (3:2)Fe2(SO4)3white crystals399.88 g/mol (anhydrous) 489.96 g/mol (pentahydrate)3.097 g/cc (anhydrous) 1.898 g/cc (pentahydrate)480 °C (anhydrous) 175 °C (nonhydrate)SolubleIron(III) chloride Iron(III) nitrate
587Fe2O3iron(III) oxide1309-37-1Ferric oxide HematiteFe2O3rhombohedralred-brown solid159.69 g/mol5.242 g/cc, solid1566 °C (1838 K) decomp.insoluble−825.50 kJ/moliron(III) fluoridemanganese(III) oxide, cobalt(III) oxidenon-flammable
588Fe2SiO4iron(II) orthosilicate10179-73-4
589Fe3(PO4)2iron(II) phosphate14940-41-1
590Fe3O4iron(II,III) oxide1317-61-9
591Fe4(Fe(CN)6)3iron(III) ferrocyanide14038-43-8
592Fe4(P2O7)3iron(III) pyrophosphate10058-44-3
593FeAsiron(III) arsenic12044-16-5
594FeBr2iron(II) bromide7789-46-0Ferrous bromideFeBr2octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164yellow-brown solid215.65 g/mol4.63 g/cc, solid684 °C934 °CsolubleIron(II) chlorideiron(III) bromide
595FeBr3iron(III) bromide10031-26-2Ferric bromide Iron tribromideFeBr3Trigonal, hR24brown solid295.56 g/mol4.50 g/cc200 °C (decomposes)
596FeCl2iron(II) chloride7758-94-3Ferrous chloride, RokühniteFeCl2octahedral at FeMonoclinictan 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) iodideCobalt(II) chloride Manganese(II) chloride Copper(II) chloride
597FeCl2-2H2Oiron(II) chloride dihydrate16399-77-2Ferrous chloride, RokühniteFeCl2octahedral at FeMonoclinictan 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) iodideCobalt(II) chloride Manganese(II) chloride Copper(II) chloride
598FeCl2-4H2Oiron(II) chloride tetrahydrate13478-10-9Ferrous chloride, RokühniteFeCl2octahedral at FeMonoclinictan 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) iodideCobalt(II) chloride Manganese(II) chloride Copper(II) chloride
599FeCl3iron(III) chloride7705-08-0Ferric chloride Molysite Flores martisFeCl3octahedralhexagonalgreen-black by reflected light; purple-red by transmitted light hexahydrate: yellow solid aq. solutions: brown162.2 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) bromideIron(II) chloride Manganese(II) chloride Cobalt(II) chloride Ruthenium(III) chloride40% solution: 12 cP
600FeCl3-6H2Oiron(III) chloride hexahydrate10025-77-1Ferric chloride Molysite Flores martisFeCl3octahedralhexagonalgreen-black by reflected light; purple-red by transmitted light hexahydrate: yellow solid aq. solutions: brown162.2 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) bromideIron(II) chloride Manganese(II) chloride Cobalt(II) chloride Ruthenium(III) chloride40% solution: 12 cP
601FeCO3iron(II) carbonate563-71-3
602FeCr2O4iron chromite1308-31-2
603FeF2iron(II) fluoride7789-28-8FeF2Rutile (tetragonal), tP6white crystalline solid93.84 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 HFiron(II) oxide, iron(II) chloridemanganese(II) fluoride, cobalt(II) fluoride
604FeF2-4H2Oiron(II) fluoride tetrahydrate13940-89-1
605FeF3iron(III) fluoride7783-50-8iron trifluoride, ferric fluorideFeF3Rhombohedral, hR24pale green solid112.84 g/mol3.87 g/cc>1000°Cslightly solubleiron(III) oxide, iron(III) chloridemanganese trifluoride, cobalt trifluoride, ruthenium(III) fluoride
606FeF3-3H2Oiron(III) fluoride trihydrate15469-38-2
607FeI2iron(II) iodide7783-86-0
608FeI3iron(III) iodide15600-49-4
609FeMoO4iron(II) molybdate13718-70-2
610FeOiron(II) oxide1345-25-1Ferrous oxideFeOblack crystals71.844 g/mol5.745 g/cc1377 °C, 1650 K, 2511 °F ([1])3414 °C, 3687 K, 6177 °FInsolubleinsoluble in alkali, dissolves in acidiron(II) fluoride, iron(II) sulfide, iron(II) selenide, iron(II) telluridemanganese(II) oxide, cobalt(II) oxidevariable
611FePO4iron(III) phosphate10045-86-0
612FeSiron(II) sulfide1317-37-9Iron sulfideFeSblack solid87.910 g/mol4.84 g/cc1194 °Cnegligible (insoluble)reacts in acidvariable
613FeSeiron(II) selenide1310-32-3
614FeSO4iron(II) sulfate7720-78-7Ferrous sulphate; Green vitriol; Iron vitriol; Copperas; Melanterite; SzomolnokiteFeSO4blue/green or white crystals151.908 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
615FeTeiron(II) telluride12125-63-2
616FeTiO4iron(II) titanate12168-52-4
617FeWO4iron(II) tungstate13870-24-1
618FNO3fluorine nitrate7789-26-6
619FOClO3fluorine perchlorate10049-03-3Fluorine perchlorateFClO4-167.3 °C-16 °C9 kcal/mol[1]
620Ga(NO3)3gallium(III) nitrate13494-90-1
621Ga(OH)3gallium(III) hydroxide12023-99-3Gallium trihydroxideGa(OH)3120.7437 g/mol
622Ga2(SO4)3gallium(III) sulfate13494-91-2
623Ga2Cl4gallium(I,III) chloride24597-12-4
624Ga2Ogallium(I) oxide12024-20-3
625Ga2O3gallium(III) oxide12024-21-4gallium trioxide, gallium sesquioxideGa2O3white crystalline powder187.444 g/mol6.44 g/cc, alpha 5.88 g/cc, beta1900°C, alpha 1725°C, beta [1]insolublesoluble in most acids
626Ga2S3gallium(III) sulfide12024-22-5
627Ga2Se3gallium(III) selenide12024-24-7gallium triselenideGa2Se3reddish-black crystals376.33 g/mol4.92 g/cc1020°CdecompositionGallium(III) oxide, Gallium(III) sulfide, Gallium tribromide, Gallium(III) tellurideAluminium(III) selenide, Indium(III) selenide
628Ga2Te3gallium(III) telluride12024-27-0gallium tellurideGa2Te3cubic crystals522.25 g/mol5.57 g/cc790 °Cgallium(III) oxide, gallium(III) sulfide, gallium(III) selenide, gallium triiodidealuminium(III) telluride, indium(III) telluride
629GaAsgallium(III) arsenide1303-00-0GaAsTetrahedralZinc BlendeGray cubic crystals144.645 g/mol5.316 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)
630GaBr3gallium(III) bromide13450-88-9gallium tribromideGaBr3white powder309.435 g/mol3.69 g/cc121.5°C278.8°Csoluble
631GaCl2gallium(II) chloride24597-12-4
632GaCl3gallium trichloride13450-90-3Gallium(III) chloride, Trichlorogallium, TrichlorogallaneGaCl3colorless crystals179.03 g/mol2.47 g/cc 2.053 g/cc at melting point77.9 °C, 351 K, 172 °F201 °C, 474 K, 394 °Fvery solubleGallium(III) fluoride Gallium(III) bromide Gallium(III) iodideAluminium chloride Indium(III) chloride Thallium(III) chlorideNon-flammable
633GaF3gallium(III) fluoride7783-51-9gallium trifluorideGaF3Rhombohedral, hR24white powder126.718 g/mol4.47 g/cc800 °C1000°C0.0002 g/100 mL
634GaF3-3H2Ogallium(III) fluoride trihydrate22886-66-4
635GaH3gallium(III) hydride13572-93-5
636GaI3gallium(III) iodide13450-91-4gallium triiodideGa2I6light yellow powder450.436 g/mol4.15 g/cc212 °C345 °Cdecomposes
637GaNgallium(III) nitride25617-97-4GaNTetrahedralWurtziteyellow powder83.73 g/mol6.15 g/cc>2500°C[1]1.3 W/(cm*K) (300 K)3.2 eV (300 K)440 cm2/(V*s) (300 K)2.429Reacts.Gallium phosphide Gallium arsenide Gallium antimonideBoron nitride Aluminium nitride Indium nitrideNon-flammable.
638GaOgallium(II) oxide12024-08-07
639GaPgallium(III) phosphide12063-98-8GaPTetrahedralZinc Blendepale orange solid100.697 g/mol4.138 g/cc1477 °C, 1750 K, 2691 °F1.1 W/(cm*K) (300 K)2.26 eV (300 K)250 cm2/(V*s) (300 K)3.02insolubleGallium nitride Gallium arsenide Gallium antimonideAluminium phosphide Indium phosphide110 °C
640GaSgallium(II) sulfide12024-10-1gallium sulfideGaShexagonal, hP8yellow101.789 g/mol3.86 g/cc, solid965°C
641GaSbgallium(III) antimonide12064-03-8Gallium antimonideGaSbSphalerite, cF8191.483 g/mol5.614 g/cc712 °C0.32 W/(cm*K) (300 K)0.726 eV (300 K)3000 cm2/(V*s) (300 K)3.8insolublenon-flammable
642GaSegallium(II) selenide12024-11-2Gallium monoselenideGaSehexagonal, hP8brown solid148.69 g/mol5.03 g/cc960 °C, 1233 K, 1760 °FGallium(II) oxide, Gallium(II) sulfide, Gallium(II) tellurideZinc(II) selenide, Germanium monoselenide, Indium monoselenide
643GaTegallium(II) telluride12024-14-5gallium tellurideGaTehexagonal, hP8black pieces197.32 g/mol5.44 g/cc, solid824°Cgallium(II) oxide, gallium(II) sulfide, gallium monoselenidezinc(II) telluride, germanium(II) telluride, indium(II) telluride
644Gd(CHO2)3gadolinium(III) formate3252-56-0
645Gd2O3gadolinium(III) oxide12064-62-9gadolinium sesquioxide, gadolinium trioxideGd2O3Monoclinic, Cubicwhite odorless powder362.50 g/mol7.407 g/cc (15°C) 7.07 g/cc (25 °C) [1]2420°Cinsolublesoluble in acid
646Gd2S3gadolinium(III) sulfide12134-77-9
647Gd2Te3gadolinium(III) telluride12160-99-5
648GdBr3gadolinium(III) bromide13818-75-2
649GdCl3gadolinium(III) chloride10138-52-0Gadolinium trichlorideGdCl3hexagonal, hP8white crystals hygroscopic263.61 g/mol4.52 g/cc609 °C1580 °Csoluble
650GdCl3-6H2Ogadolinium(III) chloride hexahydrate19423-81-5
651GdF3gadolinium(III) fluoride13765-26-9
652GdI2gadolinium(II) iodide13814-72-7
653GdI3gadolinium(III) iodide13572-98-0
654GdNgadolinium(III) nitride25764-15-2
655GdSegadolinium(II) selenide12024-81-6
656GdSi2gadolinium(II) silicide12134-75-7
657Ge(CH3O)4germanium(IV) methoxide992-91-6
658Ge3N4germanium(IV) nitride12065-36-0
659GeBr2germanium(II) bromide24415-00-7
660GeBr4germanium(IV) bromide13450-92-5
661GeCl2germanium(II) chloride10060-11-4Germanium(II) chloride, dichlorogermyleneGeCl2white-pale yellow solid143.546 g/mol
662GeCl4germanium(IV) chloride10038-98-9Germanium(IV) chloride Germanium chlorideGeCl4colourless liquid214.40 g/mol1.879 g/cc (20 °C) 1.844 g/cc (30 °C) [1]-49.5 °C, 224 K, -57 °F86.5 °C, 360 K, 188 °F1.464decomp.soluble in ether, benzene, chloroform, CCl4 insoluble in HCl, H2SO4Germanium tetrafluoride Germanium tetrabromide Germanium tetraiodideCarbon tetrachloride Silicon tetrachloride Tin(IV) chloride Lead(IV) chlorideNot flammable
663GeF2germanium(II) fluoride13940-63-1
664GeF4germanium(IV) fluoride7783-58-6
665GeH4germanium(IV) hydride7782-65-2Germanium tetrahydride Germanomethane MonogermaneGeH4Colorless gas76.62 g/mol13.3 kg/m3 gas−165 °C (108 K)−88 °C (195 K)O Dlow
666GeI2germanium(II) iodide13573-08-5
667GeI4germanium(IV) iodide13450-95-8
668GeOgermanium(II) oxide20619-16-3
669GeO2germanuim(IV) oxide1310-53-8Germanium(IV) oxide Germania ACC10380 G-15GeO2white powder or colourless crystals104.61 g/mol4.228 g/cc400 °C1200 °C5.2 g/l (25 °C) 10.7 g/l (100 °C)Germanium disulfide Germanium diselenideCarbon dioxide Silicon dioxide Tin dioxide Lead dioxideNon-flammable
670GeSgermanium(II) sulfide12025-32-0
671GeS2germanium(IV) sulfide12025-34-2Germanium(IV) sulfideGeS2monoclinic, mP36white solid136.74 g/mol2.94 g/ccabout 800 °CGermanium dioxide Germanium diselenideCarbon disulfide Silicon sulfide Tin disulfide Lead disulfide
672GeSegermanium(II) selenide12065-10-0
673GeSe2germanium(IV) selenide12065-11-1
674GeTegermanium(II) telluride12025-39-7
675Hf(SO4)2hafnium sulfate15823-43-5
676HfB2hafnium boride12007-23-7HfB2Hexagonal, hP3200.11 g/mol10.5 g/ccca. 3250 °C
677HfBr4hafnium bromide13777-22-5
678HfChafnium carbide12069-85-1HfCcubic, cF8black odorless powder190.50 g/mol12.2 g/cc, solid>3890 °C (>4163K)insoluble
679HfCl4hafnium chloride13499-05-3HfCl4Monoclinicwhite crystalline solid320.30 g/mol432 °C (705 K)1 mmHg at 190 °CdecomposesHafnium(IV) fluoride Hafnium(IV) bromide Hafnium(IV) iodideTitanium(IV) chloride Zirconium(IV) chlorideNon-flammable
680HfF4hafnium fluoride13709-52-9
681HfH2hafnium hydride12770-26-2
682HfI3hafnium iodide13779-73-2
683HfNhafnium nitride25817-87-2
684HfO2hafnium oxide12055-23-1Hafnium dioxide HafniaHfO2off-white powder210.49 g/mol9.68 g/cc, solid2758 °C5400 °CinsolubleTitanium(IV) oxide Zirconium(IV) oxideNon-flammable
685HfPhafnium phosphide12325-59-6
686HfS2hafnium sulfide18855-94-2
687HfSe2hafnium selenide12162-21-9
688HfSi2hafnium silicide12401-56-8
689HfSiO4hafnium orthosilicate13870-13-8
690Hg(C2H3O2)2mercury(II) acetate1600-27-7mercuric acetate mercuriacetateC4H6O4Hgwhite crystals318.70 g/mol3.27 g/cm³, solid179°C (decomposes)25 g/100 mL (10°C)soluble in alcohol
691Hg(IO3)2mercury(II) iodate7783-32-6
692Hg(NO3)2mercury(II) nitrate10045-94-0Mercuric nitrateHg(NO3)2colorless crystals or white powder324.7 g/mol4.3 g/cc (monohydrate)79 °C (monohydrate)solublesoluble in nitric acid insoluble in alcoholMercury(II) sulfate Mercury(II) chlorideZinc nitrate Cadmium nitrateNon-flammable
693Hg(ONC)2mercury(II) fulminate628-86-4Hg(CNO)2Grey Crystalline solid284.624 g/mol4.43 g/ccslightly solublesoluble in ethanol, ammonia180 °C
694Hg(SCN)2mercury(II) thiocyanate592-85-8mercuric thiocyanate mercuric sulfocyanateHg(SCN)2white monoclinic crystals316.79 g/mol3.71 g/cm³, soliddecomposes at 165°C0.070 g/100 mLsoluble in dilute hydrochloric acid[1]
695Hg2Br2mercury(I) bromide15385-58-7Mercurous bromideHg2Br2white tetragonal crystals560.99 g/mol7.307 g/cm³, solid405°Csublimes at 340-350°C [1]3.9 x 10-5 g/100 mLMercury(I) fluoride Mercury(I) chloride Mercury(I) iodideZinc bromide Cadmium bromide Mercury(II) bromidenon-flammable
696Hg2Cl2mercury(I) chloride10112-91-1Mercurous chloride CalomelHg2Cl2White solid472.09 g/mol7.150 g/cc525 °C (triple point)383 °C (sublimes)1.9730.2 mg/100 mLinsoluble in ethanol, etherMercury(I) fluoride Mercury(I) bromide Mercury(I) iodideMercury(II) chlorideNon-flammable
697Hg2F2mercury(I) fluoride1396-75-4Mercurous fluorideHg2F2yellow cubic crystals439.177 g/mol8.73 g/cm³, solidsublimes at -240°Cdecomposes at 570°C [1]decomposesMercury(I) chloride Mercury(I) bromide Mercury(I) iodideZinc fluoride Cadmium fluoride Mercury(II) fluoridenon-flammable
698Hg2I2mercury(I) iodide15385-57-6Mercurous iodideHg2I2yellow powder[1]654.98g mol-17.7 g cm-3[2]140 ËÅ¡C (Sublimes)Slightly soluble in water, insoluble in alcohol
699Hg2Omercury(I) oxide15829-53-5
700HgBr2mercury(II) bromide7789-47-1Mercuric bromideHgBr2white solid360.41 g/mol6.03 g/cm³, solid236 °C322 °CMercury(II) fluoride Mercury(II) chloride Mercury(II) iodideZinc bromide Cadmium bromide Mercury(I) bromideNon-flammable
701HgCl2mercury(II) chloride7487-94-7Mercuric chloride Corrosive sublimateHgCl2linearorthogonalwhite solid271.52 g/mol5.43 g/cc276 °C, 549 K, 529 °F304 °C, 577 K, 579 °Fzero7.4 g/100 ml (20 °C)soluble in alcohol, ether, acetone, ethyl acetate slightly soluble in benzene, CS2Mercury(II) fluoride Mercury(II) bromide Mercury(II) iodideZinc chloride Cadmium chloride Mercury(I) chlorideNon-flammable3.2 (0.2M solution)
702HgCl2O8mercury(II) perchlorate73491-34-6
703HgF2mercury(II) fluoride7783-39-3Mercuric fluorideHgF2Fluorite (cubic), cF12hygroscopic white cubic crystals238.59 g/mol8.95 g/ccdecomposes at 645°Creacts[1]Mercury(II) chloride Mercury(II) bromide Mercury(II) iodideMercury(I) fluoride Cadmium fluoride Thallium(I) fluoride
704HgH2mercury(II) hydride72172-67-9
705HgI2mercury(II) iodide7774-29-0Mercuric iodideHgI2scarlet red powder454.40 g/mol6.36 g/cc259 °C350 °C6 mg/100 mlMercury(II) fluoride Mercury(II) chloride Mercury(II) bromideZinc iodide Cadmium iodideNon-flammable
706HgOmercury(II) oxide21908-53-2Mercuric oxide MontroyditeHgOYellow or red solid216.59 g/mol11.14 g/cc500 °C decomp.2.2 eV [1]2.5 (550 nm) [1]InsolubleMercury sulfide Mercury selenide Mercury tellurideZinc oxide Cadmium oxideNon-flammable
707HgSmercury(II) sulfide1344-48-5Cinnabar VermillionHgS232.66 g/mol8.10 g/cc580 °C decomp.2.1 eV (direct, α-HgS) [1]w=2.905, e=3.256, bire=0.3510 (α-HgS) [2]insolubleMercury oxide Mercury selenide Mercury tellurideZinc sulfide Cadmium sulfideNon-flammable
708HgSemercury(II) selenide20601-83-6HgSesphaleritegrey-black solid279.55 g/mol8.3 g/cc1270 K178 J kg−1 K−1insoluble247 kJ/molMercury oxide Mercury sulfide Mercury tellurideZinc selenide Cadmium selenideNon-flammable
709HgSO4mercury(II) sulfate7783-35-9mercuric sulfateHgSO4white monoclinic crystals296.65 g/mol6.47 g/cm³, solidreacts with water[1]soluble in hot HSO4, NaCl solution-707.5 kJ mol-1[2]
710HgTemercury(II) telluride12068-90-5Mercuric telluride, mercury(II) tellurideHgTeSphalerite, cF8near black cubic crystals329.18 g/mol8.1 g/cc
711Ho(CHO2)3holmium formate3252-59-3
712Ho2O3holmium oxide12055-62-8Holmium oxide, HolmiaHo2O3Cubic, cI80, SpaceGroup = Ia-3, No. 206yellow cubic crystals377.859 g/mol8.41 g/cc2415 °C3900 °C115.0 J•mol-1•K-1[2]5.3 eV [1]1.8 [1]insoluble-1880.7 kJ•mol-1158.2 J•mol-1•K-1
713Ho2S3holmium sulfide12162-59-3
714HoBr3holmium bromide13825-76-8
715HoCl3holmium chloride10138-62-2
716HoF3holmium fluoride13760-78-6
717HoI3holmium iodide13813-41-7
718HoNholmium nitride12029-81-1
719HoSi2holmium silicide12136-24-2
720HoVO4holmium vanadate13977-63-4
721I2O4diiodine tetroxide12399-08-5
722I2O5diiodine pentoxide12029-98-0
723IBriodine monobromide7789-33-5
724ICliodine monochloride7790-99-0Iodine chlorideIClred to brown liquid162.35 g/mol3.10 g/cc27°C (α-form)97.4°C (370.6 K)hydrolysis
725ICl3iodine trichloride865-44-1I2Cl6yellow solid466.5281 g/mol
726IFiodine monofluoride13873-84-2
727IF3iodine(III) fluoride22520-96-3
728IF5iodine pentafluoride7783-66-6iodine pentafluorideIF5tetragonal-pyramidalmonoclinic point group C2/cpale yellow liquid221.89 g/mol3.250 g/cc9.43 °C, 283 K, 49 °F97.85 °C, 371 K, 208 °Freacts [1]Diiodine pentoxideBromine pentafluoride
729IF7iodine heptafluoride16921-96-3iodine fluoride heptafluoroiodineIF7259.90 g/mol12.6 g/cc (6 °C) 2.7 g/cc (25 °C)4.5°C (triple point)4.8°C (sublimes at 1 atm)soluble [1]
730In(C2H3O2)3indium(III) acetate25114-58-3
731In(OH)3indium(III) hydroxide20661-21-6
732In2(SO4)3indium(III) sulfate13464-82-9In2(SO4)3white-gray odorless powder, hygroscopic517.81 g/mol3.44 g/cm³, soliddecomposes at 600 °C[1]soluble, (53.92g/100g at 20 °C[2])
733In2I4indium(I,III) iodide13779-78-7
734In2O3indium(III) oxide1312-43-2indium trioxideIn2O3yellowish green odorless pieces277.64 g/mol7.179 g/cc, solid1910°Cinsoluble
735In2S3indium(III) sulfide12030-24-9indium sesquisulfide, diindium trisulphideIn2S3red powder325.82 g/mol4.90 g/cm³, solid1050.0 °Cinsoluble
736In2Se3indium(III) selenide1312-42-1indium selenide, indium sesquiselenideIn2Se3black crystalline solid466.516 g/mol5.80 g/cm³
737In2Te3indium(III) telluride1312-45-4indium tritellurideIn2Te3blue cubic crystals612.44 g/mol5.75 g/cm³, solid667°C[1]
738IN3iodine monoazide14696-82-3
739InAsindium(III) arsenide1303-11-3Indium monoarsenideInAsZinc Blende189.740 g/mol5.67 g/cc942°C0.27 W/(cm*K) (300 K)47.8 J/molK0.354 eV (300 K)40000 cm2/(V*s)3.51-58.6 kJ·mol-175.7 J/molKIndium phosphide Indium antimonideGallium arsenide
740InBrindium(I) bromide14280-53-6InBr194.722 g/mol4.960 g/cc285 °C656 °C
741InBr2indium(II) bromide21264-43-7
742InBr3indium(III) bromide13465-09-3InBr3Monoclinic, mS16hygroscopic yellow-white monoclinic crystals354.530 g/cc4.74 g/cc420°C414 g/100 mL at 20°C-428.9 kJ·mol-1indium(III) fluoride indium(III) chloride indium(III) iodide
743InClindium(I) chloride13465-10-6
744InCl2indium(II) chloride13465-11-7
745InCl3indium(III) chloride10025-82-8Indium chlorideInCl3Monoclinic, mS16white flakes221.18 g/mol3.46 g/cc586 °C800 °Csoluble, exothermicIndium(III) fluoride Indium(III) bromide Indium(III) iodideAluminium chloride Gallium trichloride Thallium(III) chloride
746InFindium(I) fluoride74508-07-9
747InF3indium(III) fluoride7783-52-0Indium trifluorideInF3Rhombohedral, hR24171.82 g/mol1172°C[1]Indium(III) chloride Indium(III) bromide Indium(III) iodideAluminum fluoride Gallium(III) fluoride Thallium(I) fluoridenon-flammable
748InF3-3H2Oindium(III) fluoride trihydrate14166-78-0
749InF3-9H2Oindium(III) fluoride nonahydrate7783-52-0
750InHindium(I) hydride13939-13-4
751InIindium(I) iodide13465-10-6
752InI3indium(III) iodide13510-35-5
753InNindium(III) nitride25617-98-5Indium(III) nitrideInNTetrahedralWurtzite (hexagonal)black powder128.83 g/mol6.81 g/cc1100 ºC0.45 W/(cm*K) (300 K)0.65 eV (300 K)3200 cm2/(V*s) (300 K)2.9hydrolysisIndium phosphide Indium arsenide Indium antimonideBoron nitride Aluminium nitride Gallium nitride
754InPindium(III) phosphide22398-80-7Indium(III) phosphideInPTetrahedralZinc Blendeblack cubic crystals145.792 g/mol4.81 g/cc, solid1062 °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-159.8 J•mol-1•K-1Indium nitride Indium arsenide Indium antimonideAluminium phosphide Gallium phosphide
755InPO4indium(III) phosphate14693-82-4
756InSindium(II) sulfide12030-14-7
757InSbindium(III) antimonide1312-41-0Indium antimonideInSbTetrahedralZincblendedark grey silvery metal pieces236.578 g/mol5.775 g/cc527 °C[1]0.18 W/(cm*K) (300 K)0.17 eV77000 cm2/(V*s) (300 K)4insoluble
758InSeindium(II) selenide1312-42-1
759InTeindium(II) telluride12030-19-2
760Ir2O3iridium(III) oxide12030-49-8
761Ir2S3iridium(III) sulfide12136-42-4
762IrBr2iridium(II) bromide77791-70-9
763IrBr3iridium(III) bromide10049-24-8
764IrBr4iridium(IV) bromide7789-64-2
765IrCl2iridium(II) chloride13465-17-3
766IrCl3iridium(III) chloride10025-83-9Iridium trichlorideIrCl3Monoclinic, mS16dark green solid hygroscopic298.58 g/mol (anhydrous)5.30 g/cc, solid763 °C (decomp.)soluble-257 kJ/molIridium(III) fluoride Iridium(III) bromide Iridium(III) iodideRhodium(III) chloridenon-flammable
767IrCl4iridium(IV) chloride10025-97-5
768IrF3iridium(III) fluoride23370-59-4
769IrF4iridium(IV) fluoride37501-24-9Iridium tetrafluorideIrF4dark brown solid268.2109 g/moliridium dioxide, iridium tetrachloride, iridium tetrabromiderhodium(IV) fluoride, osmium(IV) fluoride, platinum(IV) fluoride
770IrF5iridium(V) fluoride14568-19-5Iridium pentafluorideIrF5yellow solid287.209 g/mol104.5°Crhodium(V) fluoride, osmium pentafluoride, platinum(V) fluoride
771IrF6iridium(VI) fluoride7783-75-7iridium hexafluorideIrF6yellow solid306.25.11 g cm−1 (−140 °C)44 °C53 °Csoluble in HFrhodium(VI) fluoride, osmium hexafluoride, platinum hexafluoride
772IrI2iridium(II) iodide19253-38-4
773IrI3iridium(III) iodide7790-41-2
774IrI4iridium(IV) iodide7790-45-6
775IrO2iridium(IV) oxide12030-49-8Iridium dioxideIrO2Octahedral (Ir); Trigonal (O)Rutile (tetragonal)black solid224.22 g/mol11.66 g/cc1100 °C decomp.insolubleiridium(IV) fluoride, iridium disulfiderhodium dioxide, osmium dioxide, platinum dioxideNon-flammable
776IrO2-2H2Oiridium(II) oxide dihydrate30980-84-8
777IrS2iridium(IV) sulfide12030-51-2
778IrSe2iridium(III) selenide12030-55-6
779IrTe3iridium(III) telluride12196-62-2
780K(HF)2potassium bifluoride7789-29-9Potassium hydrogen difluorideHF2Kmonocliniccolourless solid78.103 g/mol2.37 g/cc239 °Cdecomp.Potassium fluorideSodium bifluoride, ammonium bifluoridenon flammable
781K2C2O4potassium oxalate583-52-8
782K2C4H6O6potassium tartrate921-53-9Dipotassium tartrate; Argol; E336C4H4K2O6226.27 g/mol
783K2C6H8O4potassium adipate19147-16-1K2C6H8O4
784K2CO3potassium carbonate584-08-7
785K2Cr2O7potassium dichromate7778-50-9Potassium bichromateK2Cr2O7Tetrahedral (for Cr)Triclinic (α-form, <241.6 °C)red-orange crystalline solid294.185 g/mol2.676 g/cc, solid398°C500°C decomp.4.9 g/100 ml (0°C) 102 g/100 mL (100 °C)insoluble in alcohol-2033 kJ/mol291.2 J K−1 mol−1Potassium chromate Potassium molybdate Potassium tungstateAmmonium dichromate Sodium dichromatenon-flammable
786K2CrO4potassium chromate7789-00-6Chromic acid, (H2CrO4), dipotassium saltCrK2O4Yellow odorless powder194.19 g mol−12.7320 g/cc968 °C, 1241 K, 1774 °F1000 °C, 1273 K, 1832 °F63 g/100 mL (20 °C)insoluble in alcoholPotassium dichromate Potassium molybdate Potassium tungstateSodium chromate Calcium chromate Barium chromate
787K2FeO4potassium ferrate39469-86-8Potassium ferrate Dipotassium ferrateK2FeO4TetrahedralK2SO4 motifDark purple solid198.0392 g/mol2.829 g/cc, solid>198 °C (decomposition temp)0 Dsoluble in 1M KOHK2MnO4 K2CrO4 K2RuO4BaFeO4 Na2FeO4non-combustible
788K2H2S2O3potassium thiosulfate10294-66-3
789K2Opotassium oxide12136-45-7Potassium monoxideK2OTetrahedral (K+); cubic (O2–)Antifluorite (cubic), cF12pale yellow solid94.20 g/mol2.35 g/cc>490 °C decomp.Decomposes violently, forming KOHPotassium sulfideLithium oxide Sodium oxide Rubidium oxide Caesium oxideNon-flammable
790K2O2potassium peroxide17014-71-0K2O2Orthorombicyellow amorphous solid110.196 g/mol490°Creacts with water[1]-494.1 kJ•mol-1102.1 J•mol-1•K-1[1]Potassium oxide Potassium superoxide Potassium chlorideLithium peroxide Sodium peroxide
791K2PdCl4potassium tetrachloropallidate10025-98-6
792K2RuCl6potassium hexachlororuthenate18746-63-9
793K2Spotassium sulfide1312-73-8Dipotassium monosulfide, Dipotassium sulfide, Potassium monosulfideK2SantiFluoritepure: colourless impure: yellow-brown110.262 g/mol1.8 g/cc840 °Cdecomposesconverts to KSH, KOH
794K2S2O5potassium metabisulfite16731-55-8Potassium pyrosulfite Dipotassium disulfiteK2O5S2White crystalline powder with pungent odour222.32 g mol−12.34 g/cc (solid)190 °C decomp.goodPotassium bisulfite Potassium sulfiteSodium metabisulfite
795K2S2O7potassium pyrosulfate7790-62-7dipotassium (sulfonatooxy)sulfonate; Potassium pyrosulphate; potassium disulfateK2O7S2254.32 g mol−12.28 g/cc325 °C, 598 K, 617 °Fsoluble
796K2S2O8potassium persulfate7727-21-1potassium peroxydisulfate Anthion potassium perdisulfateK2S2O8white powder270.322 g/mol2.477 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 peroxymonosulfateSodium persulfateNon-flammable
797K2Sepotassium selenide1312-74-9
798K2SiF6potassium hexafluorosilicate16871-90-2
799K2SiO4potassium silicate10006-28-7Waterglass Liquid glassK2O3Si154.28 g mol−1SolublePotassium carbonate Potassium germanate Potassium stannate Potassium plumbateSodiumsilicate
800K2SO4potassium sulfate7778-80-5Potassium sulphateK2SO4orthorhombicWhite crystalline solid174.259 g/mol2.66 g/cc [1]1069 °C, 1342 K, 1956 °F1689 °C, 1962 K, 3072 °F11.1 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, CS2Potassium selenate Potassium tellurateLithium sulfate Sodium sulfate Rubidium sulfate Caesium sulfateNon-flammable
801K2Tepotassium telluride12142-40-4
802K2TeO3potassium tellurite15571-91-2
803K2TiF6potassium hexafluorotitanate16919-27-0
804K2ZrF6potassium hexafluorozirconate16923-95-8
805K3(Fe(CN)6)potassium ferricyanide13746-66-2Red prussiate Prussian red Potassium ferricyanideC6N6FeK3octahedral at Femonoclinicdeep red crystals329.24 g/mol1.89 g/cc, solid300 °C, 573 K, 572 °Fdecomp.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 acidPotassium ferrocyanidePrussian blueNon-flammable
806K3AlF6potassium hexafluoroaluminate13775-52-5
807K3PO4potassium phosphate7778-53-2
808K4P2O7potassium pyrophosphate7320-34-5
809KAlF4potassium tetrafluoroaluminate14484-69-6potassium tetrafluoroaluminateKAlF4White solid1422.9 g/cc> 600 °C2 g/L
810KAlO2potassium aluminate12003-63-3K2Al2O4196.157 g/molvery soluble
811KBF4potassium fluoroborate14075-53-7
812KBrpotassium bromide7758-02-3KBroctahedralSodium chloridewhite solid119.002 g/mol2.75 g/cc734 °C, 1007 K, 1353 °F1435 °C, 1708 K, 2615 °F10.41 D (gas)53.5 g/100 ml (0 °C) 102 g/100 mL (100 °C)Potassium fluoride Potassium chloride Potassium iodideLithium bromide Sodium bromide Rubidium bromide Caesium bromide
813KBrO3potassium bromate7758-01-2Potassium bromate(V) Bromic acid, potassium salt Bromated flourKBrO3white crystalline powder167.00 g/mol3.27 g/cc350 °C370 °C (decomposes)6.91 g/100 mL (20°C) 13.3 g/100 mL (40 °C)slightly soluble in alcohol insoluble in acetoneNon-flammable
814KC2H3O2potassium acetate127-08-2potassium saltCH3COOKwhite crystalline powder deliquescent98.15 g/mol1.57 g/cc292°C253 g/100 mL (20 °C) 492 g/100 mL (62 °C)soluble in methanol, ethanol, liquid ammonia insoluble in ether, acetone9.7 (0.1M solution)
815KC2H5Opotassium ethoxide917-58-8
816KC2HO4potassium binoxalate127-95-7
817KC3H5O2potassium propionate327-62-8
818KC3H5S2Opotassium xanthogenate140-89-6
819KC3H7NS2potassium dimethyldithiocarbamate128-03-0
820KC4H5O6potassium bitartrate868-14-4potassium hydrogen tartrate cream of tartar potassium acid tartrate monopotassium tartrateKC4H5O6white crystalline powder188.1771.05 g/cc (solid)
821KC7H5O2potassium benzoate582-25-2Benzoic acid, potassium saltC7H5KO2White solid160.2117 g/mol
822KCH3Opotassium methoxide865-33-8
823KCHF3O3Spotassium trifluoromethanesulfonate2927-26-4
824KCHO2potassium formate590-29-4CHKO2colorless crystals deliquescent84.12 g mol−11.908 g/cc167.5 °C, 441 K, 334 °FDecomposes32.8 g/100 mL (0 °C) 657 g/100 mL (80 °C)soluble in alcohol insoluble in ether
825KClpotassium chloride7447-40-7Sylvite Muriate of potashKClface centered cubicwhite crystalline solid74.551 g/mol1.984 g/cc770 °C1420 °C (sublimes)1.3374328.1 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 alcoholPotassium fluoride Potassium bromide Potassium iodideLithium chloride Sodium chloride Rubidium chloride Caesium chlorideNon-flammable
826KClO3potassium chlorate3811-04-9Potassium chlorate(V), PotcrateKClO3monoclinicWhite crystals or powder122.55 g/mol2.34 g/cc356 °C400 °C decomp.1.408357.19 g/100 ml (20 °C) 57 g/100 mL (100 °C)insoluble in acetone, liquid ammoniaPotassium bromate Potassium iodateAmmonium chlorate Sodium chlorate Barium chlorate400 °C
827KClO4potassium perchlorate7778-74-7Potassium chlorate(VII) Perchloric acid, potassium salt peroidinKClO4rhombohedralColourless/white crystalline powder138.55 g/mol2.5239 g/cc525 °C600 °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 etherPotassium chloride Potassium chlorate Potassium periodateAmmonium perchlorate Sodium perchlorate
828KCNpotassium cyanide151-50-8KCNWhite crystalline solid deliquescent65.12 g/mol1.52 g/cc634.5 °C1625 ºC71.6 g/100 ml (25 °C) 100 g/100 mL (100 °C)−131.5 kJ/mol127.8 J K−1 mol−1Potassium cyanate Potassium thiocyanateSodium cyanideNon-flammable
829KCNOpotassium cyanate590-28-3KOCNwhite powder81.1151 g/mol2.056 g/cc315 °C~ 700°C, decomp.75 g/100 ml
830KFpotassium fluoride7789-23-3KFcolourless crystals58.0967 g/mol2.48 g/cc858 °C1505 °C92 g/100 mL (18 °C)soluble in HF insoluble in alcoholPotassium chloride Potassium bromide Potassium iodideLithium fluoride Sodium fluoride Rubidium fluoride Caesium fluorideNon-flammable
831KHpotassium hydride7693-26-7KHcubic, cF8colourless crystals40.1062 g/mol1.47 g/cc316 °CLithium hydride Sodium hydride Rubidium hydride Caesium hydride
832KH2PO4potassium diphosphate7778-77-0
833KH4Bpotassium borohydride13762-51-1
834KHCO3potassium bicarbonate298-14-6potassium acid carbonateKHCO3white crystals100.115 g/mol2.17 g/cc292 °C22.49 g/100 mL (20 °C) 60 g/100 mL (60 °C)practically insoluble in alcoholPotassium carbonateSodium bicarbonate Ammonium bicarbonateNon-Flammable8.2 (0.1M)
835KHSO4potassium bisulfate7646-93-7Potassium acid sulfateKHSO4136.169 g/mol2.245 g/cc197 °CDec. > 300 °C490 g/L
836KIpotassium iodide7681-11-0KIwhite crystalline solid166.0028 g/mol3.123 g/cc681 °C, 954 K, 1258 °F1330 °C, 1603 K, 2426 °F128 g/100 ml (6 °C) 140 g/100 mL (20 °C)2 g/100 mL (ethanol) soluble in acetone slightly soluble in ether, ammoniaPotassium fluoride Potassium chloride Potassium bromideLithium iodide Sodium iodide Rubidium iodide Caesium iodide
837KIO3potassium iodate7758-05-6Iodic acid, potassium saltKIO3white crystalline powder214.001 g/mol3.89 g/cc560 °C decomp.4.74 g/100 mL (0 °C) 32.3 g/100 mL (100 °C)soluble in KI solution insoluble in alcohol, liquid ammoniaPotassium chlorate Potassium bromateSodium iodateNon-flammable
838KIO4potassium periodate7790-21-8potassium metaperiodateIKO4white powder230 g mol−13.618 g/cc582 °C, 855 K, 1080 °F0.42 g/100 mL (20 °C) 4.4 g/100 mL (80 °C)Potassium iodide Potassium iodateSodium periodate
839KMnO4potassium permanganate7722-64-7Potassium permanganate Chameleon mineral Condy's crystals Permanganate of potashKMnO4Orthorhombicpurplish-bronze-gray needles magenta–rose in solution158.034 g/mol2.703 g/cc240 °C decomp.6.38 g/100 ml (20 °C) 25 g/100 mL (65 °C)decomposes in alcohol and organic solvents−813.4 kJ/mol171.7 J K−1 mol−1Potassium manganite Potassium manganateSodium permanganate Ammonium permanganate
840KN3potassium azide20762-60-1
841KNbO3potassium niobate12030-85-2
842KNO2potassium nitrite7758-09-0KNO2white or slight yellow solid deliquescent85.1038 g/mol1.915 c/cm3440 °C (decomp)281 g/100 mL (0 °C) 413 g/100 mL (100 °C)soluble in alcohol, ammoniaPotassium nitrateSodium nitriteNon-flammable
843KNO3potassium nitrate7757-79-1Saltpetre Nitrate of potash Vesta powderKNO3Orthorhombic, Aragonitewhite solidPhase behaviour Solid, liquid, gas101.103 g/mol2.109 g/cc (16 °C)334 °C400 °C decomp.UV, IR, NMR, MS13.3 g/100 mL (0 °C) 36 g/100 mL (25 °C) 247 g/100 mL (100 °C)slightly soluble in ethanol soluble in glycerol, ammoniaPotassium nitriteLithium nitrate Sodium nitrate Rubidium nitrate Caesium nitrateNon-flammable
844KO2potassium superoxide12030-88-5Potassium superoxideKO2yellow solid71.0971 g/mol2.14 g/cc, solid560 °C decomp.decomposesPotassium oxide Potassium peroxideSodium superoxide
845KOHpotassium hydroxide1310-58-3Caustic potash Potash lye Potassia Potassium hydrateKOHrhombohedralmonoclinicwhite solid, deliquescent56.1056 g/mol2.044 g/cc420 °C1327 °C1.409110 g/100 mL (25 °C) 178 g/100 mL (100 °C)soluble in alcohol, glycerol insoluble in ether, liquid ammoniaPotassium hydrosulfide Potassium amideLithium hydroxide Sodium hydroxide Rubidium hydroxide Caesium hydroxideNon-flammable13.5 (0.1 M)
846KPF6potassium hexafluorophosphate17084-13-8F6KPcolourless solid184.0625 g/mol2.75 g/cc575 °C0.432M (25 °C)
847KPO3potassium metaphosphate7790-53-6
848KReO4potassium perrhenate10466-65-6
849KrF2krypton difluoride13773-81-4krypton difluoride, krypton fluorideKrF2Body Centred Tetragonalcolourless solid[1]121.7968 g/mol3.24 g/cc solid[1]25 °C (decomposes)0 Dreactsslightly soluble in liquid fluorine
850KRuO4potassium perruthenate10378-50-4
851KSCNpotassium thiocyanate333-20-0potassium sulfocyanate potassium isothiocyanate potassium thiocyanideKSCNcolorless crystals deliquescent97.181 g/mol1.886 g/cc173.2 °C500 °C (decomp)177 g/100 mL (0 °C) 217 g/100 mL (20 °C)Potassium cyanate Potassium cyanideSodium thiocyanate Ammonium thiocyanate
852KVO3potassium metavanadate13769-43-2
853La(CHO2)3lanthanum formate2081-11-0
854La2O3lanthanum oxide1312-81-8Lanthanum sesquioxide LanthanaLa2O3Hexagonal, hP5White powder, hygroscopicPhase behaviour Solid, liquid, gas325.81 g/mol6.51 g/cc, solid2315°C (2590 K)4200°C (4500 K)4.3 eVUV, IR, NMR, MSInsolubleNon-flammable
855La2S3lanthanum sulfide12031-49-1
856LaAlO3lanthanum aluminate71496-78-1
857LaB6lanthanum boride12008-21-8Lanthanum borideLaB6Cubicintense purple violet203.78 g/mol4.72 g/cc2210 °Cinsoluble
858LaBr3lanthanum bromide13536-79-3
859LaC2lanthanum carbide12071-15-7LaC26Tetragonaltetrahedral crystals162.927 g/mol5.29 g/cc, solid2360°C
860LaCl3lanthanum chloride10099-58-8Lanthanum trichlorideLaCl3Tricapped trigonal prismatic (nine-coordinate)hexagonal (UCl3 type), hP8white odorless powder hygroscopic245.26 g/mol (anhydrous) 371.37 g/mol (heptahydrate)3.84 g/cc850°C (anhydrous) [1] 91 °C (heptahydrate)1000°C (anhydrous)very solublesoluble in ethanol (heptahydrate)
861LaCl3-3H2Olanthanum chloride trihydrate35564-84-2
862LaCl3-7H2Olanthanum chloride heptahydrate10025-84-0
863LaF3lanthanum fluoride13709-38-1
864LaH3lanthanum hydride13864-01-2
865LaI3lanthanum iodide13813-22-4
866LaNlanthanum nitride25764-10-7
867LaNbO4lanthanum niobate12031-17-3
868LaSi2lanthanum silicide12056-90-5
869LaVO4lanthanum vanadate13939-40-7
870Li2B4O7lithium borate12007-60-2Lithium borateLi2B4O7white powder169.11 g/mol2.4 g/cc, solid917°Cmoderately soluble
871Li2CO3lithium carbonate554-13-2Dilithium carbonate, Carbolith, Cibalith-S, Duralith, Eskalith, Lithane, Lithizine, Lithobid, Lithonate, Lithotabs PriadelLi2CO3Odorless white powder73.891 g/mol2.11 g/cc723 °C1310 °C decomp.1.341 J/g K1.428 [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/gSodium carbonate Potassium carbonate Rubidium carbonate Caesium carbonateNon-flammable
872Li2MoO4lithium molybdate13568-40-6Li2MoO4white odorless powder hygroscopic173.82 g/mol2.66 g/cc, solid705°Cvery solublesodium molybdate
873Li2Olithium oxide12057-24-8Lithium monoxide LithiaLi2OTetrahedral (Li+); cubic (O2–)Antifluorite (cubic), cF12white solid29.88 g/mol2.013 g/cc1570 °C, 1843 K, 2858 °F18.105 J/g K1.644 [1]decomposes 6.67 g/100 mL (0 °C) 10.02 g/100 mL (100 °C)-20.01 kJ/gLithium sulfideSodium oxide Potassium oxide Rubidium oxide Caesium oxideNon-flammable
874Li2O2lithium peroxide12031-80-0Dilithium peroxide, Lithium (I) peroxideLi2O2fine odorless, white powder45.881 g/mol1.2063 g/cc195°CDecomposes to Li2Osoluble-13.82 kJ/g
875Li2Slithium sulfide12136-58-2Li2STetrahedral (Li+); cubic (S2–)Antifluorite (cubic), cF12white solid46.95 g/mol1.66 g/cc938 °C (1211 K)1372 °C (1645 K)-9.401 kJ/gLithium oxideSodium sulfide Potassium sulfide
876Li2Selithium selenide12136-60-6
877Li2SiO3lithium metasilicate10102-24-6
878Li2SO4lithium sulfate10377-48-7Li2SO4White crystalline solid, hygroscopic109.94 g/mol2.221 g/cc (anhydrous) 2.06 g/cc (monohydrate)859 °C1377 °C1.07 J/g K1.465 [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/gSodium sulfate Potassium sulfate
879Li2Telithium telluride12136-59-3
880Li2TiO3lithium titanate12031-82-2
881Li2ZrO3lithium zirconate12031-83-83
882Li3AlF6lithium hexafluoroaluminate13821-20-0
883Li3AsO4lithium arsenate13478-14-3
884Li3C6H5O7lithium citrate919-16-4Trilithium citrate trilithium 2-hydroxypropane-1,2,3-tricarboxylateLi3C6H5O7Odorless white powder209.923 g mol−1decomposes at 105 °CN/A
885Li3ClO4lithium perchlorate7791-03-9Perchloric acid, lithium saltLiClO4white crystals106.39 g/mol2.42 g/cc, solid236 °C430 °C (with decomp.)60 g/100 mL-3.581 kJ/gLithium chloride Lithium hypochlorite Lithium chlorateSodium perchlorate Potassium perchlorate Caesium perchlorate
886Li3Nlithium nitride26134-62-3Li3Nred, purple solid34.83 g/mol1.270 g/cc813 °C, 1086 K, 1495 °FreactsLithium oxideSodium nitride
887Li3PO4lithium phosphate10377-52-3
888Li3Sblithium antimonide12057-30-6
889LiAlH4lithium tetrahydridoaluminate16853-85-3LAH, Lithium alanate, Lithium tetrahydridoaluminate Aluminate(1-), tetrahydro-, lithium, (T-4)- Lithal (UK slang)LiAlH4monoclinicwhite crystals (pure samples) grey powder (commercial material) hygroscopic37.95 g/mol0.917 g/cc, solid150 °C (423 K), decomposingreactive125 °C
890LiAlO2lithium aluminate12003-67-7Lithium metaaluminate Aluminate (AlO21-), lithium Lithium aluminum oxideLiAlO2white crystalline powder65.921 g/mol2.615 g/cc, solid>1625 °Cinsoluble
891LiBF4lithium tetrafluoroborate14283-07-9Borate(1-), tetrafluoro-, lithiumLiBF4White/grey crystalline solid93.746 g/mol0.852 g/cc solid296.5 °CdecompVery soluble [1]Tetrafluoroborate,
892LiBH4lithium borohydride16949-15-8Lithium hydroborate, Lithium tetrahydroborate Borate(1-), tetrahydro-, lithiumLiBH4White solid21.784 g/mol0.666 g/cc[1]275 °C[1]380 °C (decomp)3.792 J/g Kreacts-8.759 kJ/g
893LiBO2lithium metaborate13453-69-5boric acid, lithium saltLiBO2white hygroscopic monoclinic crystals49.751 g/mol2.223 g/cc849°C1.202 J/(g K)very solublesoluble in ethanol-20.75 kJ/g
894LiBrlithium bromide7550-35-8LiBrWhite solid86.845(3) g/mol3.464 g/cc552 °C1265 °C1.784145 g/100 mL (4 °C) 254 g/100 mL (90 °C)soluble in methanol, ethanol, ether slightly soluble in pyridine-4.044 kJ/gLithium fluoride Lithium chloride Lithium iodideSodium bromide Potassium bromide Rubidium bromide Caesium bromide29 °C
895LiC7H5O2lithium benzoate553-54-8
896LiCH3Olithium methoxide865-34-9
897LiCHO2lithium formate556-63-8
898LiCllithium chloride7447-41-8
899LiCl-H2Olithium chloride monohydrate16712-20-2
900LiClO4lithium perchlorate7791-03-9Perchloric acid, lithium saltLiClO4white crystals106.39 g/mol2.42 g/cc, solid236 °C430 °C (with decomp.)60 g/100 mL-3.581 kJ/gLithium chloride Lithium hypochlorite Lithium chlorateSodium perchlorate Potassium perchlorate Caesium perchlorate
901LiFlithium fluoride7789-24-4LiFCubicwhite powder or transparent crystals, non-hygroscopic25.939(2) g/mol2.635 g/cc845 °C, 1118 K, 1553 °F1676 °C, 1949 K, 3049 °F1.604 J/(g K)1.399370.27 g/100 mL (18 °C) [1]soluble in HF insoluble in alcohol-23.75 kJ/g1.376 J/(g K)Lithium chloride Lithium bromide Lithium iodideSodium fluoride Potassium fluoride Rubidium fluoride Caesium fluoride
902LiHlithium hydride7580-67-8LiHcolorless to gray solid7.95 g/mol0.82 g/cc,[1] solid692 °C[2]3.51 J/(g.K)reacts-11.39 kJ/gSodium hydride Potassium hydride Rubidium hydride Cesium hydride200 °C
903LiIlithium iodide10377-51-2LiIWhite crystalline solid133.85 g/mol4.076 g/cc (anhydrous) 3.494 g/cc (trihydrate)459 °C1171 °C0.381 J/g K1.955151 g/100 mL (25 °C) 433 g/100 mL (100 °C) [1]-2.02 kJ/gLithium fluoride Lithium chloride Lithium bromide.Sodium iodide Potassium iodide Rubidium iodide Caesium iodideNon-flammable
904LiI-3H2Olithium iodide trihydrate7790-22-9
905LiN(C3H7)2lithium diisopropylamide4111-54-0LDAC6H14LiN or LiN(C3H7)2107.1233 g/mol0.79 g/cm³Reacts with water36 (THF) [1]
906LiN3lithium azide19597-69-4
907LiNbO3lithium niobate12031-63-9LiNbO3trigonalcolorless solid147.846 g/mol4.65 g/cc [1]1257 °C[1]4 eV2.007None
908LiNH2lithium amide7782-89-0LithamideLiNH2white solid22.96 g/mol1.178 g/cc390 °C430 °Cdecomposes
909LiNO3lithium nitrate7790-69-4
910LiO2lithium superoxide12136-56-0LiO2yellow crystalline solid38.94 g/molg/cc, solid<25°C (decomposes)
911LiOHlithium hydroxide1310-65-2LithineLiOHhygroscopic white solid odorless23.95 g/mol1.46 g/cc (anhydrous) 1.51 g/cc (monohydrate)462 °C924 °C decomp.2.071 J/g K1.464 (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/gLithium amideSodium hydroxide Potassium hydroxide Rubidium hydroxide Caesium hydroxideNon-flammable
912LiPF6lithium hexafluorophosphate21324-40-3LiPF6white powder151.905 g/mol1.5 g/cc200 °CsolubleLithium tetrafluoroborateSodium hexafluorophosphate Potassium hexafluorophosphate Ammonium hexafluorophosphateNon-flammable
913LiPH2O4lithium dihydrogenphosphate13453-80-0
914LiReO4lithium perrhenate13768-48-4
915LiTaO3lithium tantalate12031-66-2Lithium MetatantalateLiTaO3TrigonalPhase behaviour Solid, liquid, gas235.887 g/mol7.46 g/cm³, solid1650 °C (1923 K)UV, IR, NMR, MS?/100 ml (25 °C)LiNbO3
916LiVO3lithium metavanadate15060-59-0
917Lu(NO3)3lutetium nitrate36549-50-5
918Lu2O3lutetium oxide12032-20-1Lutetium oxideLu2O3Phase behaviour Solid, liquid, gas397.932 g/mol2490 °C3980°CUV, IR, NMR, MSN/A<
919Lu2S3lutetium sulfide12163-20-1
920Lu2Te3letetium telluride12163-22-3
921LuB4lutetium boride12688-52-7
922LuBr3lutetium bromide14456-53-2
923LuCl3lutetium chloride10099-66-8Lutetium chloride, lutetium trichlorideLuCl3Monoclinic, mS16colorless or white monoclinic crystals281.325 g/mol3.98 g/cm³905°C[1]sublimes above 750°C[2]soluble[3]Lutetium(III) oxideScandium(III) chloride Yttrium(III) chloride
924LuF3lutetium fluoride13760-81-1
925LuI3lutetium iodide13813-45-1
926LuNlutetium nitride12125-25-6
927Mg(C2H2O2)2magnesium succinate556-31-1
928Mg(ClO4)2magnesium perchlorate10034-81-8Mg(ClO4)2white powder, deliquescent223.206 g/mol2.21 g/cc251 °Cdecomposition99.3 g/100 mLCalcium perchlorate Barium perchlorate
929Mg(NO3)2magnesium nitrate10377-60-3Nitromagnesite (hexahydrate)Mg(NO3)2White crystalline solid148.30 g/mol 256.30 g/mol (hexahydrate)2.3 g/cc (anhydrous) 1.46 g/cc, solid (dihydrate)88.9 °C (362 K), hexahydrate330 °C (603 K) decomp.1.34 (hexahydrate)125 g/100 mLmoderately soluble in ethanolMagnesium sulfate Magnesium chlorideBeryllium nitrate Calcium nitrate Strontium nitrate Barium nitrateNon-flammable
930Mg(OH)2magnesium hydroxide1309-42-8Milk of MagnesiaMg(OH)2White solid58.3197 g/mol2.3446 g/cc350 °C (decomp.)1.559 [1]1.2 mg/100 mL−925 kJ/mol63 J K−1 mol−1Magnesium oxideBeryllium hydroxide Calcium hydroxide Strontium hydroxide Barium hydroxideNon-flammable
931Mg(TcO4)2magnesium technetate71683-38-0
932Mg2Simagnesium silicide22831-39-6Mg2Si76.6955 g/mol1.988 g/cc1102 °CreactsCalcium silicide
933Mg3(AsO4)2magnesium arsenate10103-50-1
934Mg3N2magnesium nitride12057-71-5
935Mg3Sb2magnesium antimonide12057-75-9
936MgBr2magnesium bromide7789-48-2MgBr2 (anhydrous) MgBr2·2H2O (hexahydrate)octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164white 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-1117.2 J/molKmagnesium fluoride magnesium chloride magnesium iodidecalcium bromide strontium bromide barium bromide
937MgBr2-6H2Omagnesium bromide hexahydrate13446-53-2
938MgC36H70O4magnesium stearate557-04-0C36H70MgO4591.27 g/mol88 °C, 361 K, 190 °F
939MgC3H9O6Pmagnesium glycerophosphate927-20-8
940MgCl2magnesium chloride7786-30-3Magnesium dichlorideMgCl2(octahedral, 6-coordinate)CdCl2white or colourless crystalline solid95.211 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 iodideCalcium chloride Strontium chloride Barium chlorideNon-flammable
941MgCO3magnesium carbonate546-93-0Magnesite Barringtonite (dihydrate) Nesequehonite (trihydrate) Lansfordite (pentahydrate)MgCO3Trigonalwhite solid hygroscopic84.3139 g/mol2.958 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/mol65.84 J K−1 mol−1Magnesium bicarbonateBeryllium carbonate Calcium carbonate Strontium carbonate Barium carbonateNon-flammable
942MgF2magnesium fluoride7783-40-6
943MgH2magnesium hydride7693-27-8MgH2white crystals26.3209 g/mol1.45 g/cc327 °CdecomposesBeryllium hydride Calcium hydride Strontium hydride Barium hydride
944MgI2magnesium iodide10377-58-9MgI2 (anhydrous) MgI2.6H2O (hexahydrate) MgI2.8H2O (octahydrate)[1]Hexagonal (anhydrous) Monoclinic (hexahydrate) Orthorhombic (octahydrate)white crystalline solid278.1139 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 ammoniaMagnesium fluoride Magnesium bromide Magnesium chlorideberyllium iodide calcium iodide
945MgOmagnesium oxide1309-48-4Magnesia PericlaseMgOOctahedral (Mg2+); octahedral (O2–)Halite (cubic), cF8white powder40.3044 g/mol3.58 g/cc2852 °C, 3125 K, 5166 °F3600 °C, 3873 K, 6512 °F7.8 eV [1]1.7360.0086 g / 100 mL[2]soluble in acid, ammonia insoluble in alcoholMagnesium sulfideBeryllium oxide Calcium oxide Strontium oxide Barium oxideNon-flammable
946MgO2magnesium peroxide1335-26-8Magnesium dioxide, Magnesium bioxide, UN 1476MgO2Cubic, cP12White or off-white powder56.3038 g/mol3 g/cc223 °C350 °C (decomp)insoluble
947MgSmagnesium sulfide12032-36-9NiningeriteMgSlinearHalite (cubic), cF856.38 g/mol2.68 g/cc>2000 °CdecomposesMagnesium oxideCalcium sulfide Strontium sulfide Barium sulfide
948MgSemagnesium selenide1313-04-8
949MgSiO3magnesium silicite14654-06-9
950MgSO4magnesium sulfate7487-88-9Epsom salt Bitter saltsMgSO4monoclinic (hydrate)white crystalline solid120.415 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 acetoneBeryllium sulfate Calcium sulfate Strontium sulfate Barium sulfate
951MgTemagnesium telluride12032-44-9
952MgTiO3magnesium titanate12032-30-3
953Mn(C2H3O2)2manganese(II) acetate638-38-0Manganese diacetateMn(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) bromideZinc acetate Mercury(II) acetate Silver acetate
954Mn(NO3)2manganese(II) nitrate10377-66-9
955Mn2O3manganese(III) oxide1317-34-6dimanganese trioxide, manganese sesquioxide, manganic oxideMn2O3Cubic, cI80[1]brown or black crystalline157.8743 g/mol4.50 g/cc940°C (decomp)insolubleinsoluble in alcohol, acetone soluble in acidmanganese trifluoridechromium(III) oxide, iron(III) oxide
956Mn2O7manganese(VII) oxide12057-92-0Manganic oxide dimanganese heptoxideMn2O7bitetrahedralmonoclinicdark green oil (room temp.)221.87 g/mol2.79 g/cc5.9 °Cexplodes on heating sublimes at −10 °Cdecomposes
957Mn3(PO4)2manganese(II) phosphate14154-09-7
958Mn3O4manganese(II,III) oxide1317-35-7hausmannite, manganous manganic oxideMn3O4 MnO.Mn2O3red or brown228.812 g/mol4.86 g/cc1567 °C2847 °Cinsolublesoluble in HCl
959MnBr2manganese(II) bromide13446-03-2MnBr2octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164pink crystalline214.746 g/mol4.385 g/cc698 °C (anhydrous) 64 °C (tetrahydrate)1027 °CManganese(II) fluoride Manganese(II) chloride Manganese(II) iodideIron(II) bromide Cobalt(II) bromide Manganese(III) bromidenon-flammable
960MnCl2manganese(II) chloride7773-01-5Manganous chlorideMnCl2octahedralCdCl2pink 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 °C72.3 g/100mL (anhydrate) 12.0 g/100mL (dihydrate) 19.8 g/100mL (tetrahydrate)Manganese(II) fluoride Manganese(II) bromide Manganese(II) iodideManganese(III) chloride Technetium(IV) chloride Rhenium(III) chloride Rhenium(IV) chloride Rhenium(V) chloride Rhenium(VI) chlorideNon-flammable
961MnCl2-4H2Omanganese(II) chloride tetrahydrate13446-34-9
962MnCl3manganese(III) fluoride14690-66-5Manganese trifluorideMnF3distorted octahedralMonoclinic, mS48purple-pink powder111.938 g/mol3.54 g/cc> 600 °C (decomp)hydrolysismanganese(III) chloridechromium(III) fluoride, iron(III) fluoride
963MnCO3manganese(II) carbonate598-62-9MnCO3hexagonal-rhombohedralbrown solid114.9469 g/mol3.70 g/ccdecomp. 200 °C1.597 (589nm, 20°C)negligibleNon-flammable
964MnF2manganese(II) fluoride7782-64-1MnF2pale pink crystalline92.934855 g/mol3.98 g/cc856 °C1820 °CManganese(II) chloride Manganese(II) bromide Manganese(II) iodideTechnetium(VI) fluoride Rhenium(VII) fluoride Manganese(III) fluoridenon-flammable
965MnF3manganese(III) fluoride7783-53-1Manganese trifluorideMnF3distorted octahedralMonoclinic, mS48purple-pink powder111.938 g/mol3.54 g/cc> 600 °C (decomp)hydrolysismanganese(III) chloridechromium(III) fluoride, iron(III) fluoride
966MnF4manganese(IV) fluoride15195-58-1Manganese trifluorideMnF3distorted octahedralMonoclinic, mS48purple-pink powder111.938 g/mol3.54 g/cc> 600 °C (decomp)hydrolysismanganese(III) chloridechromium(III) fluoride, iron(III) fluoride
967MnI2manganese(II) iodide7790-33-2
968MnI2-4H2Omanganese(II) iodide tetrahydrate98716-23-5
969MnOmanganese(II) oxide1344-43-0Manganous oxide ManganositeMnOOctahedral (Mn2+); octahedral (O2–)Halite (cubic), cF8green crystalline70.9374 g/mol5.37 g/cc (23 °C)1945 °C2.16insolubleManganese difluoride Manganese(II) sulfideIron(II) oxideNon-flammable
970MnO2manganese(IV) oxide1313-13-9PyrolusiteMnO2black solid86.9368 g/mol5.026 g/cc535 °C decompinsoluble−520.9 kJ/mol53.1 J K−1 mol−1Manganese disulfideTechnetium dioxide Rhenium dioxide535 °C
971MnSmanganese(II) sulfide18820-29-6Manganese sulfide Manganese monosulfide AlabanditeMnSOctahedral (Mn2+); octahedral (S2–)Halite (cubic), cF8Red, green or brown powder[1]87.003 g/mol3.99 g/cc[2]1610 ËÅ¡C[3]0.0047 g/100 mL (18 °C)[2]Manganese(II) oxide
972MnSbmanganese(III) antimonide12032-82-5
973MnSemanganese(II) selenide1313-22-0
974MnSe2manganese(IV) selenide12299-98-8MnSe2grey, odorless powder212.86 g/mol5.55 g/cc, solidinsoluble
975MnSO4manganese(II) sulfate10034-96-5MnSO4orthogonal (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
976MnTemanganese(II) telluride12032-88-1
977MnTe2manganese(IV) telluride12032-89-2
978Mo2O3molybdenum(III) oxide1313-29-7
979Mo2O5molybdenum(V) oxide12163-73-4
980Mo2S3molybdenum(III) sulfide12033-33-9
981MoBr2molybdenum(II) bromide13446-56-5
982MoBr3molybdenum(III) bromide13446-57-6
983MoBr4molybdenum(IV) bromide13520-59-7
984MoC6O6molydenum(III) hexacarbonyl13939-06-5C6O6Mooctahedralorthogonalwhite, shiny crystals264.00 g/mol1.96 g/cc150 °Csublimes0 Dinsolublesoluble in benzene, paraffin oil slightly soluble in etherChromium hexacarbonyl Tungsten hexacarbonyl
985MoCl2molybdenum(II) chloride13478-17-6
986MoCl3molybdenum(III) chloride13478-18-7
987MoCl4molybdenum(IV) chloride13478-18-7Molybdenum(IV) chlorideCl4Moblack solid552°CDecomposesNon flammable
988MoCl5molybdenum(V) chloride10241-05-1Cl10Mo2edge-shared bioctahedronmonoclinicdark-green solid hygroscopic paramagnetic273.21 g/mol2.928 g/cc194 °C268 °Chydrolyzessoluble in dry ether, dry alcohol, organic solventsMolybdenum(V) fluoride Molybdenum(IV) bromide Molybdenum(III) iodideChromium(IV) chloride Tungsten(V) chlorideNon-flammable
989MoCl6molybdenum(VI) chloride13706-19-9
990MoF3molybdenum(III) fluoride20193-58-2
991MoF4molybdenum(IV) fluoride23412-45-5
992MoF5molybdenum(V) fluoride13819-84-6
993MoF6molybdenum(VI) fluoride7783-77-9
994MoI2molybdenum(II) iodide14055-74-4
995MoI3molybdenum(III) iodide14055-75-5
996MoI4molybdenum(IV) iodide14055-76-6
997MoNmolybdenum(III) nitride12033-19-1
998MoOmolybdenum(II) oxide12058-07-0
999MoO2molybdenum(IV) oxide18868-43-4Molybdenum dioxide TugarinoviteMoO2Octahedral (MoIV); trigonal (O–II)Distorted rutile (tetragonal)brownish-violet solid127.94 g/mol6.47 g/cc1100 °C decomp.insolubleinsoluble in alkalies, HCl, HF slightly soluble in hot HSO4Molybdenum disulfideChromium(IV) oxide Tungsten(IV) oxideNon-flammable
1000MoO3molybdenum(VI) oxide1313-27-5Molybdic anhydride Molybdite Molybdic trioxideMoO3see textorthorhombicyellow solidPhase behaviour Solid, liquid, gas143.94 g/mol4.69 g/cc, solid795 °C1155 °CUV, IR, NMR, MS0.1066 g/100 mL (18 °C) 2.055 g/100 mL (70 °C)−745.17 kJ/mol77.78 J K−1 mol−1Chromium trioxide Tungsten trioxideNon-flammable
1001MoS2molybdenum(IV) sulfide1317-33-5MolybdeniteMoS2Trigonal prismatic (MoIV) Pyramidal (S2−)Hexagonal, hP6, Space group P63/mmc, No 194black solid160.07 g/mol5.06 g/cc1185 °C decomp.Molybdenum(IV) oxideTungsten disulfide
1002MoSe2molybdenum(IV) selenide12058-18-3
1003MoSi2molybdenum(IV) silicide12136-78-6MoSi2grey metallic solid152.11 g/mol2030 °CNon-flammable
1004MoTe2molybdenum(IV) telluride12058-20-7
1005N2F2dinitrogen difluoride13812-43-6cis or trans-difluorodiazineN2F2colorless gas66.010 g/mol2.698 g/Lcis: <-195°C trans: -172°Ccis: -105.75°C trans: -111.45°Ccis: 0.16 D trans: 0 Dcis: 69.5 kJ/mol trans: 82.0 kJ/mol
1006N2F4dinitrogen tetrafluoride10036-47-2dinitrogen tetrafluoride, perfluorohydrazine, UN 1955N2F4104.01 g mol−1−164.5 °C[1]−73 °C[1]
1007N2Odinitrogen monoxide10024-97-2Laughing gasN2Ocolorless gas44.013 g/mol1.977 g/L (gas)−90.86 °C (182.29 K)−88.48 °C (184.67 K)5150 kPa (20 °C)1.330.166 D0.15 g/100 ml (15 °C)soluble in alcohol, ether, sulfuric acid+82.05 kJ/mol219.96 J K−1 mol−1Non-flammable
1008N2O3dinitrogen trioxide10544-73-7Nitrous anhydrideN2O3deep blue liquid76.01 g/mol1.4 g/cc, liquid 1.783 g/cc (gas)−100.1 °C (173.05 K)3 °C (276 K)very soluble+91.20 kJ/mol314.63 J K−1 mol−1Non-flammable
1009N2O4dinitrogen tetroxide10544-72-6N2O4colourless gas92.011 g/mol1.443 g/cc (liquid, 21 ºC)−11.2 ºC (261.9 K)21.1 ºC (294.3 K)96 kPa (20 °C)[1]1.00112zeroreacts−35.05 kJ/mol150.38 J K−1 mol−1Non-flammable
1010N2O5dinitrogen pentoxide10102-03-1Nitric anhydride dnpoN2O5white solid108.01 g/mol1.642 g/cc (18 °C)3047 ºC subl.reacts to give HNO3soluble 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
1011Na2C3H2O4sodium malonate141-95-7Sodium malonateC3H2O4Na2148.03 g/mol
1012Na2C4H6O6sodium tartrate6106-24-7Sal tartar; Disodium tartrate; Bisodium tartrate; Sodium L-(+)-tartrate; E335C4H4Na2O6 (anhydrous) C4H8Na2O8 (dihydrate)white crystals194.051 g/mol (anhydrous) 230.082 g/mol (dihydrate)1.545 g/cc (dihydrate)solubleinsoluble in ethanol
1013Na2C6H8O4sodium adipate7486-38-6Disodium adipateNa2C6H8O4190.10 g/mol
1014Na2CO3sodium carbonate497-19-8Soda ash Washing soda Soda crystalsNa2CO3trigonal bipyramidalWhite solid, hygroscopic105.9884 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, ethanolSodium bicarbonateLithium carbonate Potassium carbonate Rubidium carbonate Caesium carbonateNon-flammable3.67
1015Na2CrO4sodium chromate7775-11-3Chromic acid, (H2CrO4), disodium salt Chromium disodium oxide RachromateNa2CrO4orthorhombic (hexagonal above 413 °C)yellow crystals161.97 g/mol2.698 g/cc762 °C53 g/100 ml (20 °C)−1329 kJ/molSodium dichromate Sodium molybdate Sodium tungstatePotassium chromate Calcium chromate Barium chromateNon-flammable
1016Na2FPO3sodium fluorophosphate10163-15-2Sodium fluorophosphate, disodium monofluorophosphateNa2PFO3colourless solid143.95 g/molsolubleNon-flammable
1017Na2H2S2O6sodium dithionate7631-94-9Sodium metabisulfateNa2S2O6Gray-white powder.206.11 g/mol? g/cc, solid.52°C (325.15 K) (decomp.)Decomposes.? g/100 ml (?°C)
1018Na2MoO4sodium molybdate7631-95-0Disodium molybdateNa2MoO4White powder205.92 g/mol (anhydrous) 241.95 g/mol (dihydrate)3.78 g/cc, solid687 °C1.71484 g/100 ml (100 °C)Sodium chromate Sodium tungstateAmmonium molybdateNon-flammable
1019Na2Osodium oxide1313-59-3Disodium oxideNa2OTetrahedral (Na+); cubic (O2–)Antifluorite (cubic), cF12White solid61.9789 g/mol2.27 g/cc1132°C1950 °C decomposesreacts violently to form NaOH−414.2 kJ/mol75.1 J mol−1 K−1Sodium sulfide Sodium selenide Sodium tellurideLithium oxide Potassium oxide Rubidium oxide Caesium oxideNon-flammable
1020Na2O2sodium peroxide1313-60-6Sodium dioxide Flocool Solozone Disodium peroxideNa2O2Hexagonalyellow to white powder77.98 g/mol2.805 g/cc675 °Cdecomp.reacts violently−513 kJ/mol95 J K−1 mol−1Lithium peroxide Potassium peroxide Rubidium peroxide Caesium peroxideNon-flammable
1021Na2Ssodium sulfide1313-82-2Disodium sulfideNa2STetrahedral (Na+); cubic (S2–)Antifluorite (cubic), cF12colorless, hygroscopic solid78.0452 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 alcoholSodium oxide Sodium selenide Sodium tellurideLithium sulfide Potassium sulfide>480 ºC
1022Na2S-5H2Osodium sulfide pentahydrate1313-83-3
1023Na2S-9H2Osodium sulfide nonahydrate1313-84-4
1024Na2S2O3sodium thiosulfate7772-98-7Sodium hyposulfite Hyposulphite of sodaNa2S2O3white crystals158.108 g/mol1.667 g/cc48.3 °C100 °C (decomp)20.9 g/100 ml (20 °C)Non-flammable
1025Na2S2O4sodium dithionite7775-14-6D-Ox Hydrolin Reductone Sodium hydrosulfite Sodium sulfoxylate Sulfoxylate Vatrolite Virtex LNa2S2O4white to grayish crystalline powder174.107 g/mol2.19 g/cc, solid52 °C (325 K)Decomposesvery solubleSodium sulfite Sodium sulfate200 °C100 °C
1026Na2S2O5sodium metabisulfite7681-57-4Sodium pyrosulfite Sodium disulfiteNa2S2O5, Na-O-(S=O)-O-(S=O)-O-Nawhite powder190.107 g/mol1.48 g/cc>170 °C (begins at 150 °C)54 g/100 mlSodium sulfite Sodium bisulfitePotassium metabisulfite
1027Na2S2O7sodium pyrosulfateSodium pyrosulphate; Disulfuric acid disodium salt.Na2S2O7Translucent white crystals222.12 g/mol2.658 g/cc400.9 °CDecomposes at 460 °CSoluble
1028Na2S2O8sodium persulfate7775-27-1sodium peroxodisulfate sodium peroxodisulphate sodium peroxydisulfate sodium peroxydisulphateNa2S2O8white powder238.03 g/mol2.40 g/cc180 °C decomp.55.6 g/100 ml (20°C)Sodium dithionite Sodium sulfite Sodium sulfatePotassium persulfateNon-flammable
1029Na2Sesodium selenide1313-85-5
1030Na2SeO3sodium selenite10102-18-8Na2SeO3colourless solid172.96 g/mol320 °C (decomp.)85 g/100 ml (20 °C)
1031Na2SeO4sodium selenate13410-01-0Na2O4SeWhite or grey powder188.94 g mol−1Sodium sulfateNon-flammable
1032Na2SiF6sodium fluorosilicate16893-85-9
1033Na2SiO3sodium silicate6834-92-0Waterglass Liquid glass E550Na2SiO3colorless solid122.06 g/mol (anhydrous) 212.14 g/mol (pentahydrate)2.4 g/cc, solid1088 °C (anhydrous) 72.2 °C (pentahydrate)1.52 (anhydrous) 1.456 (pentahydrate)Soluble−1519 kJ/mol113.8 J K−1 mol−1Sodium carbonate Sodium germanate Sodium stannate Sodium plumbatePotassium silicate
1034Na2SnO3sodium stannate12058-66-1
1035Na2SO3sodium sulfite7757-83-7Hypo clear (photography) E221Na2SO3hexagonal (anhydrous) monoclinic (heptahydrate)white solid126.043 g/mol2.633 g/cc (anhydrous) 1.561 g/cc (heptahydrate)33.4 °C (dehydration of heptahydrate) 500°C (anhydrous)Decomposes67.8 g/100 ml (18 °C, heptahydrate)Sodium selenitePotassium sulfiteNon-flammable
1036Na2SO4sodium sulfate7757-82-6Thenardite (mineral) Glauber's salt (decahydrate) Sal mirabilis (decahydrate) Mirabilite (decahydrate)Na2SO4orthorhombic or hexagonal (anhydrous) monoclinic (decahydrate)white crystalline solid hygroscopicPhase behaviour Solid, liquid, gas142.04 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, MS4.76 g/100 ml (0 °C) 42.7 g/100 ml (100 °C)insoluble in ethanolSodium selenate Sodium tellurateLithium sulfate Potassium sulfate Rubidium sulfate Caesium sulfateNon-flammable
1037Na2Tesodium telluride12034-41-2Disodium tellurideNa2Tewhite powder, hygroscopic173.58 g/mol2.90 g/cc, solid953°Cvery soluble
1038Na2Ti3O7sodium metatitanate12034-36-5sodium trititanateNa2Ti3O7white powder301.62 g/mol3.941 g/cm³, solid1128°Cinsoluble
1039Na2WO4sodium tungstate13472-45-2Na2O4Wwhite rhombohedral crystals293.82 g mol−14.179 g/cc698°C74.2 g/100 mL[1]
1040Na3AlF6sodium hexafluoroaluminate13775-53-6Sodium fluoaluminate Sodium aluminofluoaluminate Cryolite Kryolite Aluminate(3-), hexafluoro-, trisodium, (OC-6-11)-Na3AlF6white powder209.94 g/mol2.9 g/cm³, solid1000 °Cdecomposesessentially 0insoluble
1041Na3Co(NO2)6sodium cobaltnitrite14649-73-1
1042Na3PO4sodium phosphate7601-54-9
1043Na3Sbsodium antimonide12058-86-5
1044Na3SbS4sodium thioantimonide13776-85-6
1045Na3VO4sodium vanadate13721-39-6
1046Na4C4H4O6sodium tartrate868-18-8Sal tartar; Disodium tartrate; Bisodium tartrate; Sodium L-(+)-tartrate; E335C4H4Na2O6 (anhydrous) C4H8Na2O8 (dihydrate)white crystals194.051 g/mol (anhydrous) 230.082 g/mol (dihydrate)1.545 g/cc (dihydrate)solubleinsoluble in ethanol
1047Na4FeC6N6sodium ferrocyanide13601-19-9Yellow prussiate of soda (YPS), Tetrasodium hexacyanoferrate, Gelbnatron, FerrocyannatriumNa4Fe(CN)6monoclinicYellow crystals303.91 g/mol1.458 g/cc435 °C (decomposes)18 g/100 mLSodium ferricyanide (Red prussiate of soda)
1048Na4P2O7sodium pyrophosphate7722-88-5Na4P2O7Colourless crystals265.90 g/molTrisodium phosphate Pentasodium triphosphate Hexasodium metaphosphateTetrapotassium pyrophosphateNon-flammable
1049Na4SiO4sodium orthosilicate1344-09-8
1050Na5P3O10sodium tripolyphosphate7758-29-4sodium tripolyphosphate polygonNa5P3O10white powder367.864 g/mol2.52 g/cc622 ºC14.5 g/100 ml (25 ºC)Trisodium phosphate Tetrasodium pyrophosphate Hexasodium metaphosphatePentapotassium triphosphateNon-flammable
1051NaAlCl4sodium tetracholoraluminate7784-16-9
1052NaAlF4sodium tetrafluoroaluminate13821-15-3
1053NaAlO2sodium aluminate1302-42-7Sodium aluminium oxide, Sodium metaaluminate Aluminate, (AlO21-), sodiumNaAlO2white81.97 g/mol1.5 g/cc1800 °Csoluble
1054NaAsO2sodium arsenite7784-46-5sodium arsenate(III)NaAsO2129.91 g/mol
1055NaB(C6H5)4sodium tetraphenylborate143-66-8Tetraphenylboron sodium(C6H5)4BNawhite solid342.22 g/mol>300 °C47 g/100 g water
1056NaBF4sodium borofluoride13755-29-8
1057NaBH3CNsodium cyanoborohydride25895-60-7Sodium cyanotrihydridoborateNaBH3CNwhite to off-white powder, hygroscopic62.84 g/mol1.20 g/cc241 °C decomp.solubleSodium borohydride
1058NaBH4sodium borohydride16940-66-2NaBH4white crystals hygroscopic37.83 g/mol1.0740 g/cc400 °C[1]500 °C (dec.)[1]solublesoluble in liquid ammonia, amines, pyridineSodium cyanoborohydride Sodium hydride Sodium borate BoraxLithium borohydrideca. 220 °C70 °C
1059NaBiO3sodium bismuthate12232-99-4
1060NaBrsodium bromide7647-15-6NaBrWhite powder102.894 g/mol3.21 g/cc (anhydrous) 2.18 g/cc (dihydrate)747 °C (anhydrous) 36 °C (dihydrate)1396 °C1.645973.3 g/100 mL (20 °C) 116.0 g/100 mL (50 °C)Sodium fluoride Sodium chloride Sodium iodideLithium bromide Potassium bromide Rubidium bromide Caesium bromide800 °C
1061NaBrO3sodium bromate7789-38-0Sodium bromate(V) Bromic acid, sodium saltNaBrO3colorless or white solid odorless150.89 g/mol3.339 g/cc381 °C1390 °CSodium chlorate Sodium iodatePotassium bromate381 °C
1062NaC18H36O2sodium stearate822-16-2C18H35NaO2306.46 g mol−1
1063NaC2H3FO2sodium monofluoroacetate62-74-81080 SFA Sodium monofluoroacetate, compound 1080, 1080NaFC2H2O2Fluffy, colorless to white powder100.0 g/mol200 °C (325.15 K)Decomposessoluble?
1064NaC2H3O2sodium acetate127-09-3sodium saltC2H3NaO2monoclinicWhite deliquescent powder odorless82.03 g mol−11.528 g/cc 1.45 g/cc (trihydrate)324 °C (anhydrous) 58 °C (trihydrate)881.4 °C (anhydrous) 122 °C (trihydrate)1.46476 g/100 ml (0°C)soluble in ethanol (5.3 g/100 mL (trihydrate)607 °C250 °C9.25
1065NaC2H3SO3sodium ethenesulfonate3039-83-6
1066NaC2H5Osodium ethoxide141-52-6C2H5ONawhite to yellow powder hygroscopic68.05 g/mol260 °C, 533 K, 500 °FReacts violently with water (miscible with ethanol and methanol)
1067NaC3H3O2sodium acrylate7446-81-3
1068NaC3H5O2sodium propionate137-40-6Sodium propionate NapropionC3H5NaO2Transparent crystals96.07 g/mol289 °C~1 g/mL
1069NaC3H5O3sodium lactate312-85-6Sodium DL-lactate; Lactic acid sodium salt; E325C3H5NaO3112.06 g/mol
1070NaC3H6NO3sodium hydromethylglycinate70161-44-3
1071NaC4H7O4sodium diacetate126-96-5
1072NaC6H6SO3sodium benzosulfonate515-42-4
1073NaC7H5O2sodium benzoate532-32-1E211, benzoate of sodaNaC6H5CO2144.11 g/mol1.44 g/cc300 °CN/A500 °C100 °C
1074NaC7H8SO3sodium tosylate657-84-1
1075NaC8H15O2sodium caprylate1984-06-1
1076NaC8H7O2sodium phenylacetate114-70-5C8H8O2136.15 g/mol1.0809 g/cc76-77 °C265.5 °C
1077NaC8H9SO3sodium xylenesulfonate1300-72-7
1078NaCH3Osodium methoxide124-41-4sodium methylateCH3NaOwhite solid54.02>300 °C
1079NaCH3SO3sodium formaldehydesulfoxylate149-44-0Rongalite Sodium formaldehydesulfoxylateCH3NaO3Scolorless crystals118.10 g/mol 154.14 g/mol, dihydrate1.75 g/cc, dihydrate64.5 °C, dihydrate600 g/L, dihydrate (approximate)decomp. at low pH
1080NaCHO2sodium formate141-53-7formic acid, sodium saltHCOONawhite granules deliquescent68.01 g/mol1.92 g/cc (20°C)253 °Cdecomposes97 g/100 mL (20°C)insoluble in ether soluble in glycerol, alcohol7.0-8.5 (0.1M)
1081NaClsodium chloride7647-14-5Common salt; halite; table salt; rock saltNaClOctahedral (Na+) Octahedral (Cl−)Cubic (see text), cF8Colorless/white crystalline solidPhase behaviour Solid, liquid, gas58.443 g/mol2.165 g/cc801 °C (1074 K)1465 °C (1738 K)1.5442 (589 nm)UV, IR, NMR, MS35.6 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 HClSodium fluoride Sodium bromide Sodium iodideLithium chloride Potassium chloride Rubidium chloride Caesium chlorideNon-flammable
1082NaClOsodium hypochlorite7681-52-9Sodium chlorate(I)ClNaOwhite solid74.44 g mol−11.11 g/cc18 °C (pentahydrate)101 °C (decomp.)29.3 g/100ml (0 °C)Sodium chloride Sodium chlorite Sodium chlorate Sodium perchlorateLithium hypochlorite Calcium hypochlorite
1083NaClO2sodium chlorite7758-19-2Chlorous acid, sodium salt TextoneNaClO2white solid90.44 g/mol2.5 g/cc, solid180–200 °C decomp.39 g/100 ml (17 °C)Sodium chloride Sodium hypochlorite Sodium chlorate Sodium perchloratePotassium chlorite Barium chloriteNon-flammable
1084NaClO3sodium chlorate7775-09-9Sodium chlorate(V)NaClO3white solid106.44 g/mol2.5 g/cc248 °C~300 °C decomp.1.572101.0 g/100 ml (20 °C)Sodium bromate Sodium iodateAmmonium chlorate Potassium chlorate Barium chloratenone
1085NaClO4sodium perchlorate7601-89-0Sodium chlorate(VII) Sodium hyperchlorate Perchloric acid, sodium saltNaClO4White crystalline solid122.44 g/mol2.4994 g/cc130 °C (monohydrate) >400 °C (decomp.)Soluble, HygroscopicSodium chloride Sodium hypochlorite Sodium chlorite Sodium chlorateLithium perchlorate Potassium perchlorate Ammonium perchlorate Barium perchlorate
1086NaCNsodium cyanide143-33-9NaCNwhite solid49.0072 g/mol1.595 g/cc563.7 °C1496 °C1.4558 g/100 ml (20 °C) (hydrate solubility), 82 g/100 ml (34.7 °C)Potassium cyanideNon-flammable
1087NaCNOsodium cyanate917-61-3
1088NaFsodium fluoride7681-49-4FlorocidNaFWhite solid41.988713 g/mol2.558 g/cc993 °C1695 °C4.13 g/100 g (25 °C)soluble in HF insoluble in ethanolSodium chloride Sodium bromide Sodium iodideLithium fluoride Potassium fluoride Rubidium fluoride Caesium fluorideNon-flammable
1089NaHsodium hydride7646-69-7NaHfcc (NaCl)colorless to grey solid23.99771 g/mol1.396 g/cc800 °C decomp.1.47reactsinsoluble in ammonia, benzene, CCl4, CS2Lithium hydride Potassium hydridecombustible
1090NaHCO3sodium bicarbonate144-55-8Sodium bicarbonate Bicarbonate of soda Baking soda Sodium hydrogencarbonate NahcoliteNaHCO3white crystalline solid84.0066 g/mol2.159 g/cc270 °C (decomp)1.57.8 g/100 mL (18 °C) 10 g/100 mL (20 °C)insoluble in alcoholSodium carbonatePotassium bicarbonate Ammonium bicarbonateNon-flammable10.3
1091NaHF2sodium bifluoride1333-83-1
1092NaHSsodium bisulfide16721-80-5Sodium bisulfide Sodium sulfhydrate Sodium hydrogen sulfideNaHSoff-white solid, deliquescent56.063 g/mol1.79 g/cc52–54 ºC (hydrate) 350 ºC (anhydrous)Sodium hydroxide Sodium amideAmmonium hydrosulfide90 ºC
1093NaHSO3sodium bisulfite7631-90-5E222NaHSO3White solid104.061 g/mol1.48 g/cc150 °C, 423 K, 302 °F42 g/100 mLSodium sulfite Sodium metabisulfitePotassium bisulfiteNon-flammable
1094NaIsodium iodide7681-82-5NaIOctahedralwhite solid deliquescent149.894 g/mol3.67 g/cc661 °C1304 °C178.8 g/100 mL (20 °C) 184 g/100 mL (25 °C) 294 g/100 mL (70 °C)soluble in ethanol and acetoneSodium fluoride Sodium chloride Sodium bromideLithium iodide Potassium iodide Rubidium iodide Caesium iodideNon-flammable
1095NaIO3sodium iodate7681-55-2iodic acid, sodium saltNaIO3white orthorhombic crystals197.8924 g/mol4.28 g/cm³, solid425 °C (decomp) [1]9.47g/100 mLsodium iodide sodium periodate sodium bromate sodium chloratepotassium iodate silver iodate
1096NaIO4sodium periodate7790-28-5NaIO4213.8918 g/mol3.865 g/cc300 °Csoluble
1097NaN3sodium azide26628-22-8Sodium trinitride SmiteNaN3Hexagonal, hR12[1]white solid65.0099 g/mol1.846 g/cc (20 °C)275 °C decomp.41.7 g/100 mL (17 °C)Potassium azide300 °C
1098NaNbO3sodium niobate12034-09-2
1099NaNH2sodium amide7782-92-5SodamideNaNH2orthogonalgray powder (colourless when pure)39.0124 g/mol1.39 g/cc210 °C400 °CreactsSodium bis(trimethylsilyl)amidePotassium amide450 °C4.44 °C38 [1]
1100NaNO2sodium nitrite7632-00-0NaNO2Trigonalwhite solid68.9953 g/mol2.168 g/cc271 °C decomp.82 g/100 ml (20 °C)Lithium nitrite Sodium nitratePotassium nitrite Ammonium nitrite489 °C
1101NaNO3sodium nitrate7631-99-4Caliche Chile saltpeter Nitrate of soda Nitratine Peru saltpeter Soda niterNaNO3trigonal and rhombohedralWhite powder or colorless crystals84.9947 g/mol2.257 g/cc, solid308 °C380 °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/mol117 J mol−1 K−1Sodium nitriteLithium nitrate Potassium nitrate Rubidium nitrate Caesium nitrateNon-flammable
1102NaO2sodium superoxide12034-12-7sodium superoxideNaO2Yellow crystalline solid54.9886 g/mol2.2 g/cc551.7 °CDecomposesDecomposesNon flammableN/A
1103NaOHsodium hydroxide1310-73-2Caustic soda LyeNaOHwhite solid, hygroscopic39.9971 g/mol2.13 g/cc323 °C, 596 K, 613 °F1388 °C, 1661 K, 2530 °F1.412111 g/100 ml (20 °C)Sodium hydrosulfide Sodium amideLithium hydroxide Potassium hydroxide Rubidium hydroxide Caesium hydroxideNon-flammable
1104NaPF6sodium hexafluorophosphate21324-39-0F6NaP167.95395sodium tetrafluoroboratelithium hexafluorophosphate; ammonium hexafluorophosphate
1105NaPO3sodium polyphosphate50813-16-6
1106NaReO4sodium perrhenate13472-33-8NaReO4White crystalline powder273.194 g/mol5.39 g/cc103.3 g/100 mL (0 °C) 145.3 g/100 mL (30 °C) 173.0 g/100 mL (50 °C)
1107NaSbO3sodium antimonate15432-85-6
1108NaSCNsodium thiocyanate540-72-7Sodium rhodanide Sodium sulfocyanate Sodium rhodanate Thiocyanic acid, sodium saltNaSCNcolourless crystals deliquescent81.072 g/mol1.735 g/cc287 °C1.545139 g/100 mL (21 °C)soluble in acetone, alcoholsSodium cyanate Sodium cyanidePotassium thiocyanate Ammonium thiocyanate
1109NaVO3sodium metavanadate13718-26-8Sodium vanadate Metamunirite MuniriteNaVO3yellow crystalline solid hygroscopic121.9295 g/mol5.15 g/cc630 °CsolubleSodium orthovanadatePotassium metavanadate Ammonium metavanadateNon-flammable
1110Nb2O5niobium(V) oxide1313-96-8Niobium pentoxideNb2O5white orthogonal solid265.81 g/mol4.60 g/cc1512 °Cinsolublesoluble in HF
1111NbBr3niobium(III) bromide15752-41-7
1112NbBr4niobium(IV) bromide13842-75-6
1113NbBr5niobium(V) bromide13478-45-0niobium pentabromideNbBr5orthorhombicwine red to black crystals492.430 g/mol4.36 g/cc257 °C, 530 K, 495 °F364 °C, 637 K, 687 °Fsoluble
1114NbCniobium(IV) carbide12069-94-2NbCCubic, cF8104.917 g/mol7.820 g/cc3490 °C
1115NbCl3niobium(III) chloride13569-59-0
1116NbCl4niobium(IV) chloride13569-70-5Niobium tetrachloride Niobium chlorideNbCl4Violet-Black Crystals234.718 g/mol3.2 g/ccDec. 800 °CSubl. 275 °C/10-4 mmHgReactsNiobium(IV) bromide Niobium(IV) iodideVanadium(IV) chloride Tantalum(IV) chloride
1117NbCl5niobium(V) chloride10026-12-7NbCl5yellow monoclinic crystals deliquescent270.17 g/mol2.75 g/cc204.7 °C248.2 °Cdecomposessoluble in alcohol, HCl, chloroform, CCl4-797.47 kJ/mol214.05 J K−1 mol−1Niobium(V) fluoride Niobium(V) bromide Niobium(V) iodideVanadium(IV) chloride Tantalum(V) chlorideNon-flammable
1118NbF3niobium(III) fluoride15195-53-6
1119NbF4niobium(IV) fluoride13842-88-1
1120NbI3niobium(III) iodide13870-20-7
1121NbI4niobium(IV) iodide13870-21-8
1122NbI5niobium(V) iodide13779-92-5
1123NbNniobium(III) nitride24621-21-4
1124NbOniobium(II) oxide12034-57-0niobium(II) oxide, columbium monoxideNbOgrey solid108.906 g/mol7.3 gcm3
1125NbO2niobium(IV) oxide12034-59-2niobium(IV) oxide, columbium dioxideNbO2Tetragonal, tI96bluish black124.91 g/mol1915 °C [1]
1126NBr3nitrogen tribromide15162-90-0Br3Nunstable solid253.72 g mol−1explodes at -100°C[1]
1127NbS2niobium(IV) sulfide12136-97-9
1128NbSe2niobium(IV) selenide12034-77-4
1129NbSe3niobium(VI) selenide12034-78-5
1130NbTe2niobium(IV) telluride12034-83-2
1131NCl3nitrogen trichloride10025-85-1Trichloramine Agene Nitrogen(III) chloride Trichloroazane Trichlorine nitriderhombohedral (below -40 °C)yellow oily liquid120.365 g/mol1.635 g/mL-40 °C, 233 K, -40 °F71 °C, 344 K, 160 °F0.6 DImmiscible slowly decomposessoluble in benzene, chloroform, CCl4, CS2, PCl3+232 kJ/mol? J.K−1.mol−1Nitrogen trifluoride Nitrogen tribromide Nitrogen triiodidePhosphorus trichloride Arsenic trichloride93 °C
1132Nd(CHO2)3neodymium(III) formate3252-53-7
1133Nd(NO3)3neodumium(III) nitrate10045-95-1
1134Nd2O3neodymium(III) oxide1313-97-9Neodymium oxide, Neodymium sesquioxideNd2O3Hexagonal, hP5hygroscopic blue hexagonal crystals336.48 g/mol7.24 g/cc2233°C3760°C[1]111.3 J/molK[1].0003 g/100 mL (75 °C)-1807.9 kJ·mol-1158.6 J/molKNeodymium(II) chloride Neodymium(III) chlorideUranium(VI) oxide Praseodymium(III) oxide Promethium(III) oxide
1135Nd2S3neodymium(III) sulfide12035-32-4
1136Nd2Te3neodymium(III) telluride12035-35-7
1137NdBr2neodymium(II) bromide59325-04-1
1138NdBr3neodymium(III) bromide13536-80-6
1139NdCl2neodymium(II) chloride25469-93-6
1140NdCl3neodymium(III) chloride10024-93-8Neodymium trichlorideNdCl3, NdCl3·6H2O (hydrate)Tricapped trigonal prismatic (nine-coordinate)hexagonal (UCl3 type), hP8mauve-colored powder hygroscopic250.598 g/mol4.13 g/cc (2.282 for hydrate)758 °C1600 °C0.967 kg/L at 13 °CNeodymium(III) bromideLaCl3, SmCl3, PrCl3, EuCl3, CeCl3, GdCl3, TbCl3
1141NdF3neodymium(III) fluoride13709-42-7
1142NdGaO3neodymium(III) gallate12207-22-6
1143NdI2neodymium(II) iodide61393-36-0
1144NdI3neodymium(III) iodide13813-24-6
1145NdNneodymium(III) nitride25764-11-8
1146NdSneodymium(II) sulfide12035-22-2
1147NdSeneodymium(II) selenide12035-24-4
1148NdTeneodymium(II) telluride12060-53-6
1149NdVO4neodymium(III) vanadate13721-46-5
1150NF3nitrogen trifluoride7783-54-2Nitrogen fluoride Trifluoramine TrifluorammoniaNF3colorless gas71.0019 g/mol3.003 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 °F0.234 D0.021 vol/vol (20 °C, 1 bar)Non-flammable
1151NH3ammonia7664-41-7Ammonia Hydrogen nitride Spirit of Hartshorn Nitro-Sil VaporoleNH3Colorless gas with strong pungent odorPhase behaviour Solid, liquid, gas17.031 g/mol0.86 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, MS1.42 D1176 g/100 mL (0 °C) 702 g/100 mL (20 °C) 88 g/100 mL (100 °C)Phosphine Arsine Stibine651 °Cflammable gas (see text)344.75
1152NH4Clammonium chloride12125-02-9Sal ammoniacNH4ClWhite solid53.49 g/mol1.5274 g/cc338 °C (decomposes)1.64229.7 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 iodideSodium chloride Potassium chloride Hydroxylamonium chlorideNon-flammable9.245
1153NH4HCO3ammonium bicarbonate1066-33-7Bicarbonate of ammonia Hartshorn Baking ammoniaNH4HCO379.056 g/mol1.586 g/cc107.5 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 methanolAmmonium carbonateSodium bicarbonate Potassium bicarbonateNon-flammable
1154NH4NO3ammonium nitrate6484-52-2(NH4)(NO3)white solid80.043 g/mol1.725 g/cc (20 °C)169.6 °Capprox. 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 nitriteSodium nitrate Potassium nitrate Hydroxylammonium nitrate
1155Ni(BF4)2nickel(II) fluoborate14708-14-6
1156Ni(C2H3O2)2nickel(II) acetate373-02-4
1157Ni(CN)2nickel(II) cyanide557-19-7
1158Ni(CO)4nickel(II) carbonyl13463-39-3Nickel carbonylNi(CO)4Tetrahedralcolorless liquid diamagnetic170.73 g/mol1.319 g/cc-17.2 °C, 256 K, 1 °F43 °C, 316 K, 109 °Fzero.018 g/100 mL (10 °C)miscible in most organic solvents soluble in nitric acid, aqua regia−632 kJ/mol320 J K−1 mol−160 °C4 °C3.05 x 10-4 Pa s
1159Ni(NO3)2nickel(II) nitrate13138-45-9Nickel nitrate Nickelous nitrate Nitric acid, nickel(2+) saltNi(NO3)2monoclinic (hexahydrate)emerald green hygroscopic solid182.703 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 ethanolNickel(II) sulfate Nickel(II) chloridePalladium(II) nitrateNon-flammable
1160Ni(OH)2nickel(II) hydroxide12054-48-7Ni(OH)2hexagonalgreen crystals92.708 g/mol (anhydrous) 110.72 g/mol (monohydrate)4.10 g/cc230 °C (anhydrous, decomp)insolublesoluble in dilute acid, ammonia (monohydrate)-530.049 kJ/mol
1161Ni2Bnickel(III) boride12007-01-1
1162Ni2O3nickel(III) oxide1314-06-3Nickel sesquioxide, nickel trioxideNi2O3black-dark gray solid165.39 g/mol4.84 g/cc600 °C (decomposes)negligible
1163NI3nitrogen triiodide13444-85-4NI3394.7201 g/molN/Asublimes at -20 °Cinsoluble
1164Ni3Bnickel(II) boride12007-02-2
1165Ni3S2nickel(III) sulfide
1166NiAsnickel(II) arsenide27016-75-7
1167NiBr2nickel(II) bromide13462-88-9Nickel dibromide, Nickel bromideNiBr2yellow-brown crystals218.53 g/mol5.098 g/cc[1]963 ËÅ¡CSoluble in water and ethanolnickel(II) fluoride nickel(II) chloride nickel(II) iodidecobalt(II) bromide copper(II) bromide palladium(II) bromideNon-flammable
1168NiCl2nickel(II) chloride7718-54-9Nickelous chlorideNiCl2octahedral at NiMonoclinicyellow-green crystals deliquescent129.5994 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/mol98.11 J K−1 mol−1Nickel(II) fluoride Nickel(II) bromide Nickel(II) iodidePalladium(II) chloride Platinum(II) chloride Platinum(II,IV) chloride Platinum(IV) chlorideNon-flammable
1169NiCl2-6H2Onickel(II) chloride hexahydrate7791-20-0
1170NiCO3nickel(II) carbonate3333-67-3Nickelous carbonateNiCO3light green powder118.702 g/mol2.6 g/ccdecomposes before melting.0093 g/100 mL
1171NiCrO4nickel(II) chromate14271-18-7
1172NiF2nickel(II) fluoride10028-18-9NiF2Nickel: Octahedral Oxygen: Trigonal planarRutileyellow solid96.6902 g/mol4.72 g/cc1370 °C1750 °CInsolubleNickel(II) chloride Nickel(II) bromide Nickel(II) iodideCobalt(II) fluoride Copper(II) fluoride
1173NiI2nickel(II) iodide13462-90-3Nickelous iodideI2Nidark green solid312.5 g mol−15.38 g/cc780 °C, 1053 K, 1436 °F797 °C, 1070 K, 1467 °Fgoodalcohols
1174NiOnickel(II) oxide1313-99-1Nickel monoxide OxonickelNiOgreen crystalline solid74.6928 g/mol6.67 g/cc1955 °CnegligibleNickel(II) selenide Nickel(II) telluridePalladium(II) oxideNon-flammable
1175NiSnickel(II) sulfide16812-54-7
1176NiSbnickel(II) antimonide12035-52-8
1177NiSenickel(II) selenide1314-05-2
1178NiSnO3nickel(II) stannate12035-38-0
1179NiSO4nickel(II) sulfate7786-81-4Nickelous sulfateNiSO4cubic (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 alcoholCobalt(II) sulfate Copper(II) sulfateNon-flammable
1180NiTenickel(II) telluride12142-88-0
1181NiTiO3nickel(II) titanate12035-39-1
1182NiWO4nickel(II) tungstate14177-51-6
1183NiZrO3nickel(II) zirconate70692-93-2
1184NOnitrogen monoxide10102-43-9NOcolourless gas paramagnetic30.006 g/mol1.269 g/cc (liquid) 1.3402 g/l (gas)−163.6 °C, 110 K, -262 °F−150.8 °C, 122 K, -239 °F1.00026977.4 ml/100 ml (STP)soluble in alcohol, CS2+90.29 kJ/mol210.76 J K−1 mol−1Non-flammable
1185NO2nitrogen dioxide10102-44-0NO2brown gas46.0055(5) g/mol1449 kg/m3 (liquid, 20 ºC) 3.4 kg/m3 (gas, 22 ºC)-11.2 °C, 262 K, 12 °F21.1 °C, 294 K, 70 °F1.449 (20 °C)reactsNon-flammable
1186Np2O5neptunium(V) oxide121433-01-0
1187Np2S3neptunium(III) sulfide12281-24-2
1188NpBr3neptunium(III) bromide20730-39-6
1189NpBr4neptunium(IV) bromide15608-32-9
1190NpCl3neptunium(III) chloride20737-06-8
1191NpCl4neptunium(IV) chloride15597-84-9
1192NpF3neptunium(III) fluoride16852-37-2
1193NpF4neptunium(IV) fluoride14529-88-5
1194NpF5neptunium(V) fluoride31479-18-2
1195NpF6neptunium(VI) fluoride14521-05-2
1196NpI3neptunium(III) iodide37501-52-3
1197NpNneptunium(III) nitride12058-90-1
1198NpOneptunium(II) oxide12202-03-8
1199NpO2neptunium(IV) oxide12035-79-9Neptunium oxide, Neptunium dioxideNpO2Np, 8, cubic O, 4, tetrahedralcubic crystal system, cF12Green cubic crystals269 g/mol11.1 g/cc2547 °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) chlorideUranium(VI) oxide Plutonium(IV) oxide Promethium(III) oxide
1200O2F2oxygen(I) fluoride7783-44-0dioxygen difluoride fluorine dioxide difluorine dioxide perfluoroperoxideF2O269.996 g mol−1−154 °C, 119 K, -245 °F−57 °C (extrapolated)
1201OF2oxygen(II) fluoride7783-41-7difluorine monoxide fluorine monoxide oxygen difluoride oxygen fluoride hypofluorous anhydrideOF253.9962 g/mol1.9 g/cc−223.8 °C−144.8 °C24.5 kJ mol−1
1202Os(C5H5)2osmium(II) cyclopentadienide1273-81-0
1203OsBr3osmium(III) bromide59201-51-3
1204OsBr4osmium(IV) bromide59201-52-4
1205OsCl3osmium(III) chloride13444-93-4
1206OsCl3-3H2Oosmium(III) chloride trihydrate114268-63-2
1207OsCl4osmium(IV) chloride10026-01-4Osmium chloride, osmium tetrachlorideOsCl4Orthorhombic, oS10red-black orthorhombic crystals332.041 g/mol4.38 g/cm³decomposes at 323°Creacts with watersoluble in organic solvents[1]Osmium(IV) oxideIron(III) chloride Ruthenium(III) chloride Osmium(III) chloride
1208OsCl5osmium(V) chloride71328-74-0
1209OsF4osmium(IV) fluoride54120-05-7
1210OsF6osmium(VI) fluoride13768-38-2
1211OsF7osmium(VII) fluoride16949-69-2
1212OsF8osmium(VIII) fluoride18432-81-0
1213OsIosmium(I) iodide76758-38-8
1214OsI2osmium(II) iodide59201-57-9
1215OsI3osmium(III) iodide59201-58-0
1216OsO2osmium(IV) oxide12036-02-1Osmium(IV) oxideOsO2black or yellow brown222.229 g/mol11.4 g/cc500 °C (decomposes)
1217OsO4osmium(VI) oxide20816-12-0Osmium(VIII) oxide Osmic acidOsO4pale yellow solid254.23 g/mol4.91 g/cc[1]40.25 °C129.7 °C6.5 g/100 mL[1]soluble in most organic solventsRuthenium tetroxide
1218OsS2osmium(IV) sulfide12137-61-0
1219OsSe2osmium(IV) selenide12310-19-9
1220OsTe2osmium(IV) telluride12166-21-1
1221P2Br4phosphorus tetrabromide24856-99-3
1222P2Cl4phosphorus tetrachloride13497-91-1
1223P2F4phosphorus tetrafluoride13824-74-3
1224P2H4phosphorus tetrahydride13445-50-6
1225P2I4phosphorus tetraiodide13455-00-0
1226P2O5phosphorus pentoxide1314-56-3Phosphorus(V) oxide Phosphoric anhydrideP4O10white powder very deliquescent pungent odour283.889 g/mol2.39 g/cc340 °Csublimes at 360 °C (At standard atmosphere of pressure)1 mmHg @ 384 °Cexothermic hydrolysis
1227P4O10phosphorus decaoxide16752-60-6
1228P4O6phosphorus hexoxide12440-00-5
1229P4S10phosphorus pentasulfide1314-80-3phosphorus sulfide sulfur phosphide phosphorus persulfide diphosphorus pentasulfide tetraphosphorus decasulfideP4S10triclinic, aP28yellow solid444.555 g mol2.09 g/cc288 °C (561 K)514 °C (787 K)hydrolyses
1230P4S3phosphorus trisulfide1314-51-8phosphorus trisulfide phosphorus sesquisulfide phosphorus sulfideP4S3yellow solid220.093 g/mol2.08 g.cm3,[1] solid172.5 °C408 °C
1231P4S4phosphorus tetrasulfide39350-99-7
1232P4S6phosphorus hexasulfide131105-01-6
1233P4S7phosphorus heptasulfide15578-16-2
1234P4S9phosphorus nonasulfide25070-46-6
1235P4Se3phosphorus triselenide1314-86-9
1236Pa2O5protactinium(V) oxide12036-75-8
1237PaBr4protactinium(IV) bromide13867-42-0
1238PaBr5protactinium(V) bromide15608-38-5
1239PaCl4protactinium(IV) chloride13867-41-9
1240PaCl5protactinium(V) chloride13760-41-3Protactinium pentachloride, Protactinium chloridePaCl5Pa, 7, pentagonal bipyramidal Cl, 1 and 2monoclinic, mS24yellow monoclinic crystals408.301 g/mol3.74 g/cm³306°C[1]420°C [2]Praseodymium(III) chloride Uranium(IV) chloride Thorium(IV) chloride
1241PaF4protactinium(IV) fluoride13842-89-2
1242PaF5protactinium(V) fluoride15192-29-7
1243PaI3protactinium(III) iodide19415-71-5
1244PaI4protactinium(IV) iodide15513-96-9
1245PaI5protactinium(V) iodide17497-66-4
1246PaOprotactinium(II) oxide60936-60-9
1247PaO2protactinium(IV) oxide12036-03-2
1248Pb(AsO4)2lead(II) arsenite10031-13-7
1249Pb(BF4)2lead(II) fluoroborate13814-96-5
1250Pb(C18H33O2)2lead(II) oleate1120-46-3
1251Pb(C18H35O2)2lead(II) stearate1072-35-1
1252Pb(C2H3O2)2lead(II) acetate301-04-2Plumbous acetate, Salt of Saturn, Sugar of Lead, lead diacetatePb(C2H3O2)2MonoclinicWhite powder or colorless, efflorescent crystals325.29 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 alcoholNonflammable
1253Pb(C2H3O2)2lead(III) acetate546-67-8Plumbous acetate, Salt of Saturn, Sugar of Lead, lead diacetatePb(C2H3O2)2MonoclinicWhite powder or colorless, efflorescent crystals325.29 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 alcoholNonflammable
1254Pb(C3H5O2)2lead(II) lactate18917-82-3
1255Pb(C4H7O2)2lead(II) butanoate819-73-8
1256Pb(CHO2)2lead(II) formate811-54-1
1257Pb(ClO3)2lead(II) chlorate10294-47-0
1258Pb(ClO4)2lead(II) perchlorate13453-62-8
1259Pb(CN)2lead(II) cyanide592-05-2
1260Pb(H2PO2)2lead(II) hypophosphite10294-58-3
1261Pb(IO3)2lead(II) iodate25659-31-8
1262Pb(NbO3)2lead(II) niobate12034-88-7
1263Pb(NO3)2lead(II) nitrate10099-74-8Lead nitrate Plumbous nitrate Lead dinitrate Plumb dulcisPb(NO3)2cuboctahedralFace-centered cubicWhite odourless solidPhase behaviour Solid, liquid, gas331.2 g/mol4.53 g/cc (20 °C)270 °C, decomp.1.782 [1]UV, IR, NMR, MS52 g/100 mL (20 °C) 127 g/100 mL (100 °C)Lead(II) sulfate Lead(II) chlorideTin(II) nitrateNon-flammable
1264Pb(OH)2lead(II) hydroxide19783-14-3lead hydroxide plumbous hydroxidePb(OH)2white amorphous powder241.21 g/mol7.41 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
1265Pb(SCN)2lead(II) thiocyanate592-87-0Lead 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+) saltPb(SCN)2323,3648 g/mol0,553 g/100 mL water
1266Pb(VO3)2lead(II) metavandate10099-79-3
1267Pb2O3lead(II,IV) oxide1314-27-8
1268Pb2SiO4lead(II) orthosilicate13566-17-1
1269Pb3(AsO4)2lead(II) arsenate3687-31-8
1270Pb3(N3)2lead(II) azide13424-46-9Pb(N3)2white powder291.24 g/mol4.71 g/cc, solid350 °C (explodes)2.3 g/100 mL (18 °C) 9.0 g/100 mL (70 °C) [1]very soluble in acetic acid; insoluble in ammonia350 °C
1271Pb3(PO4)2lead(II) phosphate7446-27-7
1272Pb3(SbO4)2lead(II) antimonide13510-89-9
1273Pb3O4lead(II,II,IV) oxide1314-41-6
1274PbBr2lead(II) bromide10031-22-8Lead dibromidePbBr2white powder367.01 g/mol6.66 g/cc [1]373 °C916 °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, NaBrLead(II) fluoride, Lead(II) chloride, Lead(II) iodideThallium(I) bromide, Tin(II) bromide Bismuth bromide
1275PbBr4lead(IV) bromide13701-91-2
1276PbC2O4lead(II) oxalate814-93-7
1277PbCl2lead(II) chloride7758-95-4Plumbous chloride CotunnitePbCl2Orthorhombic, oP12white odorless solidPhase behaviour Solid, liquid, gas278.10 g/mol5.85 g/cc501 °C950 °C2.199 [1]UV, IR, NMR, MS0.673 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/mol135.98 J K−1 mol−1Lead(II) fluoride Lead(II) bromide Lead(II) iodideLead(IV) chloride Tin(II) chloride Germanium(II) chloride
1278PbCl4lead(IV) chloride13463-30-4
1279PbCO3lead(II) carbonate598-63-0CerussitePbCO3White powder267.21 g/mol6.60 g/cc315 °C (decomp.)1.804 [1]0.011 g/100 mL (20 °C)[citation needed]insoluble in alcohol, ammonia; soluble in acid, alkaliNon-flammable
1280PbCrO4lead(II) chromate7758-97-6see textPbCrO4orange-yellow powder323.2 g/mol6.3 g/cc, solid844 °Cnegligible
1281PbF2lead(II) fluoride7783-46-2Lead difluoride plumbous fluoridePbF2Fluorite (cubic), cF12white powder245.20 g/mol8.445 g/cc (orthorhombic) 7.750 g/cc (cubic)824°C1293°C0.64 g/100 mL (20 °C) [1]soluble in nitric acid; insoluble in acetone and ammoniaLead(II) chloride Lead(II) bromide Lead(II) iodide
1282PbF4lead(IV) fluoride7783-59-7
1283PbH4lead(IV) hydride15875-18-0Plumbane, lead tetrahydride, tetrahydridolead, lead(IV) hydridePbH4211.23 g/mol-13 °C
1284PbI2lead(II) iodide10101-63-0Plumbous iodidePbI2octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164461.01 g/mol6.16 g/cc402 °C, 675 K, 756 °F872 °C, 1145 K, 1602 °F0.044 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 alkalisLead(II) fluoride Lead(II) chloride Lead(II) bromideTin(II) iodideNon-flammable
1285PbMoO4lead(II) molybdate10190-55-3
1286PbOlead(II) oxide1317-36-8Lead monoxide Litharge Massicot Plumbous oxidePbOtetragonal, tP4red or yellow solid223.20 g/mol9.64 g/cc [1]888 °C1477 °Cinsolubleinsoluble in alkalis soluble in HClLead sulfide Lead selenide Lead tellurideCarbon monoxide Silicon monoxide Germanium(II) oxide Tin(II) oxideNon-flammable
1287PbO2lead(IV) oxide1309-60-0Plumbic oxide PlattneritePbO2black powder239.2 g/mol9.38 g/cc290 ºC decomp.insolubleCarbon dioxide Silicon dioxide Germanium dioxide Tin dioxideNon-flammable
1288PBr3phosphorus tribromide7789-60-8
1289PBr5phosphorus pentabromide7789-69-7
1290PbSlead(II) sulfide1314-87-0Plumbous sulfide GalenaPbSOctahedral (Pb2+) Octahedral (S2−)Halite (cubic), cF8239.30 g/mol7.60 g/cc [1]1118 °C1281 °C3.912.6 x 10-11 kg/kg (calculated, at pH=7)[2] 8.6 x 10-7 kg/kg[3]Lead(II) oxide Lead selenide Lead tellurideCarbon monosulfide Silicon monosulfide Germanium(II) sulfide Tin(II) sulfideNon-flammable
1291PbSelead(II) selenide12069-00-0Lead(II) selenide ClausthalitePbSeOctahedral (Pb2+) Octahedral (Se2−)Halite (cubic), cF8286.16 g/mol1078 °CLead(II) oxide Lead(II) sulfide Lead tellurideCarbon monoselenide Silicon monoselenide Germanium(II) selenide Tin(II) selenide
1292PbSeO3lead(II) selenite7488-51-9
1293PbSeO4lead(II) selenate7446-15-3
1294PbSiO3lead(II) metasilicate10099-76-0
1295PbSO3lead(II) sulfite7446-10-8
1296PbSO4lead(II) sulfate7446-14-2AnglesitePbSO4orthorhombic, baritewhite solid303.26 g/mol6.29 g/cc [1]1170 °C, 1087°C[1]4.25 mg/100 ml (25 ºC)Lead(II) selenateTin(II) sulfateNon-flammable
1297PbTa2O6lead(II) tantalate12065-68-8
1298PbTelead(II) telluride1314-91-6Lead(II) telluride AltaitePbTeOctahedral (Pb2+) Octahedral (Te2−)Halite (cubic), cF8gray cubic crystals334.80 g/mol8.164 g/cc924°C0.25 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-150.5 J/molKLead(II) oxide Lead(II) sulfide Lead selenideCarbon monotelluride Silicon monotelluride Germanium telluride Tin tellurideNon-flammable
1299PbTiO4lead(II) titanate12060-00-3
1300PbWO4lead(II) tungstate7759-01-5
1301PbZrO3lead(II) zirconate12060-01-4
1302PCl3phosphorus trichloride7719-12-2Phosphorus(III) chloride Phosphorous chloridePCl3colourless liquidPhase behaviour Solid, liquid, gas137.33 g/mol1.574 g/cc-93.6 °C (179.6 K)76.1 °C (349.3 K)1.516 (14 °C)UV, IR, NMR, MS0.97 Dhydrolysis−319.7 kJ/mol
1303PCl5phosphorus pentachloride10026-13-8PentachlorophosphoranePCl5D3htetragonalcolourless crystals208.24 g/mol2.1 g/cc166.8 °Csublimation 160 °C0 Ddecomposition (exothermic)soluble in CS2, CCl4, chlorocarbons, benzeneNon-flammable
1304Pd(C2F3O2)2palladium(II) trifluoroacetate42196-31-6
1305Pd(C2H3O2)2palladium(II) acetate3375-31-3Palladium diacetate hexakis(acetato)tripalladium bis(acetato)palladiumC4H6O4PdSquare PlanarmonoclinicBrown yellow solid224.50 g/mol2.19 g/cm³205 °C (478 K), decomposesdecomp.0 DlowPalladium(II) chloridePlatinum(II) acetate
1306Pd(CN)2palladium(II) cyanide2035-66-7
1307Pd(NO3)2palladium(II) nitrate10102-05-3Palladium nitrate Palladous nitratePd(NO3)2red-brown solid230.43 g/molDecomposes >100 °CSolublePalladium(II) chlorideNickel(II) nitrateNon-flammable
1308PdBr2palladium(II) bromide13444-94-5
1309PdCl2palladium(II) chloride7647-10-1PdCl2square planarrhombohedraldark red solid hygroscopic177.33 g/mol4.0 g/cc679 °C (decomp.)soluble in trace amounts, better solubility in cold watersoluble in organic solvents dissolves rapidly in HClPalladium(II) fluoride Palladium(II) bromide Palladium(II) iodideNickel(II) chloride Platinum(II) chloride Platinum(II,IV) chloride Platinum(IV) chlorideNon-flammable
1310PdF2palladium(II) fluoride13444-96-7
1311PdF4palladium(IV) fluoride13709-55-2
1312PdI2palladium(II) iodide7790-38-7
1313PdOpalladium(II) oxide1314-08-5Palladium monoxidePdOgreenish-black powder122.42 g/mol8.3 g/cc750 ºC decomp.insolubleinsoluble in acid slightly soluble in aqua regiaPalladium sulfideNickel(II) oxideNon-flammable
1314PdO2palladium(IV) oxide12036-04-3
1315PdSpalladium(II) sulfide12125-22-3
1316PdS2palladium(IV) sulfide12137-75-6
1317PdSepalladium(II) selenide12137-76-7
1318PdSe2palladium(IV) selenide60672-19-7
1319PdSO4palladium(II) sulfate13566-03-5
1320PdTepalladium(II) telluride12037-94-4
1321PdTe2palladium(IV) telluride12037-95-5
1322PF3phosphorus trifluoride7783-55-3Trifluorophosphine Phosphorous fluoridePF3colorless gasPhase behaviour Solid, liquid, gas87.968971 g/mol3.91 g/l, gas−151.5 °C (121.7 K)−101.8 °C (171.4 K)UV, IR, NMR, MS1.03 Dslow hydrolysisPhosphorus trichloride Phosphorus tribromide Phosphorus triiodideNitrogen trifluoride Arsenic trifluoride Antimony trifluoride Bismuth trifluorideNon-flammable
1323PF5phosphorus pentafluoride7647-19-0Phosphorus(V) fluoride Pentafluoridophosphorus PentafluorophosphoranePF5colourless gas125.96577 g/mol5.527 g/cc-93.78 °C-84.6 °C0 DhydrolysisPhosphorus pentachloride Phosphorus pentabromide Phosphorus pentaiodideArsenic pentafluoride Antimony pentafluoride Bismuth pentafluorideNon-flammable
1324PH3phosphorus trihydride7803-51-2
1325PI3phosphorus triiodide13455-01-1TriiodophosphinePI3dark red solidPhase behaviour Solid, liquid, gas411.68717 g/mol4.18 g/cc61.2 °C200 °C (decomp)UV, IR, NMR, MSDecomposesnon-flammable
1326Pm2O3promethium(III) oxide12036-32-7Promethium sesquioxidePm2O3Hexagonal, hP5337.824 g/mol
1327PmBr3promethium(III) bromide14325-78-1
1328PmCl3promethium(III) chloride13779-10-7
1329POBr3phosphorus oxybromide7789-59-5
1330POCl3phosphorus oxychloride10025-87-3Phosphorus oxychloride Phosphoric trichloridePOCl3Clear, colourless liquid, fumes in moist airPhase behaviour Solid, liquid, gas153.33 g/mol1.645 g/cc, liquid1.25 °C (274.4 K)105.8 °C (379.0 K)UV, IR, NMR, MS2.54 DReacts
1331Pr(CHO2)3praseodymium(III) formate3252-52-6
1332Pr2O3praseodymium(III) oxide12026-32-7Praseodymium oxide, Praseodymium sesquioxidePr2O3Hexagonal, hP5white hexagonal crystals329.813 g/mol6.9 g/cc2183°C3760°C[1]117.4 J•mol-1•K-1[1]-1809.6 kJ•mol-1Praseodymium(III) chloride Praseodymium(III) sulfideUranium(VI) oxide Neodymium(III) oxide Promethium(III) oxide
1333Pr2S3praseodymium(III) sulfide12038-13-0Pr2S3brown powder rotten egg odor378.00 g/mol5.042 g/cm³, solid (11.0°C)?
1334Pr2Te3praseodymium(III) telluride12038-12-9
1335PrBr3praseodymium(III) bromide13536-53-3
1336PrCl3praseodymium(III) chloride10361-79-2Praseodymium chloride; praseodymium trichloridePrCl3Tricapped trigonal prismatic (nine-coordinate)hexagonal (UCl3 type), hP8blue-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 °C1710 °C104.0 g/100 ml (13°C)Praseodymium(III) fluoride Praseodymium bromide praseodymium iodideCerium(III) chloride Neodymium(III) chloride
1337PrF2praseodymium(II) fluoride59513-11-0
1338PrF3praseodymium(III) fluoride13709-46-1
1339PrF4praseodymium(IV) fluoride15192-24-2
1340PrI2praseodymium(II) iodide65530-47-4
1341PrI3praseodymium(III) iodide13813-23-5
1342PrNpraseodymium(III) nitride25764-09-4
1343PrO2praseodymium(IV) oxide12036-05-4
1344PrSpraseodymium(II) sulfide12038-06-1
1345PrSepraseodymium(II) selenide12038-08-3
1346PrTepraseodymium(II) telluride12125-60-9
1347PSCl3phosphorus thiochloride3982-91-0
1348Pt(CN)2platinum(II) cyanide592-06-3
1349Pt6Cl12platinum(II) chloride10025-65-7platinous chloridePtCl2olive green crystals265.99 g/mol6.05 g/cc, solid581 °Cdecomposesinsolubleinsoluble in alcohol soluble in HCl, ammoniaplatinum(II) sulfide, platinum(II) iodidepalladium(II) chloride, iridium dichloride
1350PtBr2platinum(II) bromide13455-12-4Platinous bromideBr2Ptsquare planarDark green powder354.89 g/mol6.65 g/cc, solid250 °C (decomp.)0 Dinsol.platinum(II) chloride, platinum(II) iodide?°C
1351PtBr3platinum(III) bromide25985-07-3
1352PtBr4platinum(IV) bromide68938-92-1Platinic bromidePtBr4brownish-black crystals514.700 g/moldecomposes at 180°C0.41 g/100mL @ 20°Cslightly soluble in ethanol, diethyl ether[1]Platinum(IV) fluoride Platinum(IV) chloride Platinum(IV) iodideNickel(II) bromide Palladium(II) bromide Platinum(II) bromidenon-flammable
1353PtCl2platinum(II) chloride10025-65-7platinous chloridePtCl2olive green crystals265.99 g/mol6.05 g/cc, solid581 °Cdecomposesinsolubleinsoluble in alcohol soluble in HCl, ammoniaplatinum(II) sulfide, platinum(II) iodidepalladium(II) chloride, iridium dichloride
1354PtCl3platinum(III) chloride25909-39-1
1355PtCl4platinum(IV) chloride13454-96-1PtCl4brown-red powder336.89 g/mol4.303 g/cc (anhydrous) 2.43 g/cc (pentahydrate)370 °C, decomposesdecomposedissolves (anhydrous) very soluble (pentahydrate)anhydrous soluble in acetone slightly soluble in ethanol insoluble in ether pentahydrate soluble in alcohol, etherplatinum(IV) fluoride, platinum disulfide, platinum tetrabromideiridium tetrachloride
1356PtCl4-5H2Oplatium(IV) chloride pentaahydrate15869-63-3
1357PtF4platinum(IV) fluoride13455-15-7
1358PtF5platinum(V) fluoride13782-84-8
1359PtF6platinum(VI) fluoride13693-05-5Platinum(VI) fluoridePtF6octahedral (Oh)Orthorhombic, oP28dark-red crystals309.07 g/mol3.83 g/cc61.3 °C69.14 °Creacts violently
1360PtI2platinum(II) iodide7790-39-8
1361PtI3platinum(III) iodide68220-29-1
1362PtI4platinum(IV) iodide7790-46-7
1363PtOplatinum(II) oxide12035-82-4
1364PtO2platinum(IV) oxide1314-15-4platinum dioxide, platinic oxidePtO2black solid227.08 g/mol10.2 g/cm³450 °C, 723 K, 842 °Finsolubleinsoluble in alcohol, acid, aqua regia soluble in caustic potash solution
1365PtO2-H2Oplatinum(IV) oxide monohydrate12137-21-2
1366PtSplatinum(II) sulfide12038-20-9
1367PtS2platinum(IV) sulfide12038-21-0
1368PtSe2platinum(IV) selenide12038-26-5
1369PtTeplatinum(II) telluride12166-00-6
1370PtTe2platinum(IV) telluride12038-29-8
1371Pu2O3plutonium(III) oxide12036-34-9
1372PuBr3plutonium(III) bromide15752-46-2
1373PuCl3plutonium(III) chloride13569-62-5Plutonium trichloridePuCl3Green solid350.322 g/mol5.71 g/cc, solid[1]767 °C (1040.15 K)[1]1767 °C (2040.15 K)[1]PuCl4, PuBr3, SmCl3
1374PuF3plutonium(III) fluoride13842-83-6Plutonium fluoride, plutonium trifluoridePuF3violet crystals301.059 g/mol9.3 g/cm³1396°C[1]decomposes at 2000°C[2]Plutonium(III) chloride Plutonium(IV) oxideSamarium(III) fluoride Plutonium(IV) fluoride Plutonium(VI) fluoride
1375PuF4plutonium(IV) fluoride13709-56-3Plutonium tetrafluoridePuF4Monoclinic, mS60reddish-brown monoclinic crystals320 g/mol7.1 g/cc1027°C
1376PuF6plutonium(VI) fluoride13693-06-6
1377PuH2plutonium(II) hydride17336-52-6
1378PuH3plutonium(III) hydride15457-77-9
1379PuI3plutonium(III) iodide13813-46-2
1380PuNplutonium(III) nitride12033-54-4
1381PuOplutonium(II) oxide12035-83-5
1382PuO2plutonium(IV) oxide12059-95-9Plutonium dioxidePuO2Tetrahedral (O2–); cubic (PuIV)Fluorite (cubic), cF12Yellow-brown solid.276.06 g/mol11.5 g/cc~2400 °C~2800 °CinsolubleNon-flammable
1383PuSplutonium(II) sulfide12038-51-6
1384PuS2plutonium(IV) sulfide12038-56-1
1385PuSeplutonium(II) selenide23299-88-9
1386Ra(OH)2radium hydroxide98966-86-0
1387RaBr2radium bromide10031-23-9radium bromideRaBr2white orthorhombic crystals386 g/mol5.79 g/cc728°C70.6 g/100 g at 20°CRadium chloride
1388RaCl2radium chloride10025-66-8RaCl2296.094 g/mol19.6 g/100 mL (20 °C)
1389RaCO3radium carbonate7116-98-5
1390RaF2radium fluoride20610-49-5
1391RaI2radium iodide20610-52-0
1392RaNO3radium nitrate10213-12-4
1393RaOradium oxide12143-02-1
1394RaSO4radium sulfate7446-16-4
1395Rb2Orubidium oxide18088-11-4Rubidium(I) oxide Dirubidium oxideRb2OTetrahedral (Rb+); cubic (O2–)Antifluorite (cubic), cF12Yellow solid186.94 g/moL4 g/cc>500 ºCReacts violently to give RbOHLithium oxide Sodium oxide Potassium oxide Caesium oxideNon-flammable
1396Rb2O2rubidium peroxide23611-30-5
1397Rb2Srubidium sulfide31083-74-6
1398Rb2Serubidium selenide31052-43-4
1399Rb2Terubidium telluride12210-70-7Rb2Teyellow-green powder298.64 g/mol775 °C
1400RbAlCl4rubidium tetrachloroaluminate17992-02-8
1401RbAlF4rubidium tetrafluoroaluminate14484-70-9
1402RbBrrubidium bromide7789-39-1Rubidium(I) bromideRbBrwhite crystalline solid165.372 g/mol3.350 g/cc693 °C, 966 K, 1279 °F1340 °C, 1613 K, 2444 °F98 g/100 mLRubidium fluoride Rubidium chloride Rubidium iodideLithium bromide Sodium bromide Potassium bromide Caesium bromideNon-flammable
1403RbC2H3O2rubidium acetate563-67-7
1404RbC5H7O2rubidium acetylacetonate66169-93-5
1405RbClrubidium chloride7791-11-9rubidium(I) chlorideRbClwhite crystals hygroscopic120.921 g/mol2.80 g/cc (25 °C) 2.088 g/mL (750 °C)718 °C1390 °C52.4 J K−1 mol−11.532277 g/100mL (0 °C) 91 g/100 mL (20 °C) 130 g/100 mL (100 °C)−435.14 kJ/mol95.9 J K−1 mol−1Rubidium fluoride Rubidium bromide Rubidium iodideLithium chloride Sodium chloride Potassium chloride Caesium chlorideNon-flammable
1406RbFrubidium fluoride13446-74-7Rubidium(I) FluorideRbFwhite crystalline solid104.4662 g/mol3.557 g/cc795 °C (1068 K)1408 °C (1681 K)130.6 g/100 mL (18 °C)Rubidium chloride Rubidium bromide Rubidium iodideLithium fluoride Sodium fluoride Potassium fluoride Caesium fluorideNon-flammable
1407RbHrubidium hydride13446-75-8Rubidium(I) hydrideRbHcubic, cF8white cubic crystals86.476 g/mol2.60 g/ccDecomposes at 170°Creacts-52.3 kJ/molRubidium oxide Rubidium chlorideLithium hydride Sodium hydride Potassium hydride
1408RbIrubidium iodide7790-29-6IRbsolid212.37 g mol−13.110 g/cm 3646.85 °C1304 °C152 g/100 mL
1409RbIO3rubidium iodate13446-76-9
1410RbIO4rubidium periodate13465-48-0
1411RbNO3rubidium nitrate13126-12-0RbNO3White hygroscopic solid147.473 g/mol3.11 g/cc310 ºC decomp.578 °C1.52444.28 g/100 mL (16 °C)Lithium nitrate Sodium nitrate Potassium nitrate Caesium nitrateNon-flammable
1412RbO2rubidium superoxide12137-25-6
1413RbOHrubidium hydroxide1310-82-3grayish-white solid, hygroscopic102.475 g/mol3.203 g/cc301 °C1390 °C100 g/100 mL (15 °C)soluble in ethanol−413.8 kJ/molLithium hydroxide Sodium hydroxide Potassium hydroxide Caesium hydroxideNon-flammable
1414Re2O3rhenium(III) oxide12060-05-8
1415Re2O7rhenium(VII) oxide1314-68-7Rhenium heptoxideO7Re2yellow crystalline powder484.410 g/mol6.103 g/cc, solid360 °Csublimes
1416Re2S7rhenium(VII) sulfide12038-67-4
1417ReBr3rhenium(III) bromide13569-49-8
1418ReBr4rhenium(IV) bromide36753-03-4
1419ReBr5rhenium(V) bromide30937-53-2
1420ReCl3rhenium(III) chloride13569-63-6Rhenium trichlorideReCl3Rhombohedral, hR72red, crystalline, nonvolatile solid292.57 g/mol4800 kg/m³N/A500 °C (decomposes)hydrolyzes to form Re2O3.xH2O.Rhenium tribromide Rhenium triiodide
1421ReCl4rhenium(IV) chloride13569-71-6
1422ReCl5rhenium(V) chloride13596-35-5Rhenium(V) chloride, Rhenium chloride, pentachlororheniumReCl5Monoclinic, , mP48red-brown363.471 g/mol4.9 g/cc, solid220 °CN/AWill react to decompose and release HCl (g)Rhenium hexathiocyanate, Rhenium tetraiodate, Rhenium hexafluoride
1423ReCl6rhenium(VI) chloride31234-26-1
1424ReF4rhenium(IV) fluoride15192-42-4
1425ReF5rhenium(V) fluoride30937-52-1
1426ReF6rhenium(VI) fluoride10049-17-9
1427ReF7rhenium(VII) fluoride17029-21-9
1428ReI3rhenium(III) iodide15622-42-1
1429ReI4rhenium(IV) iodide59301-47-2
1430ReO2rhenium(IV) oxide12036-09-8Rhenium dioxideReO2Orthorohmbic, oP12gray orthorhombic crystals218.206 g/mol11.4 g/cm³[1]decomposes at 1000°C[2]Rhenium(VII) oxide Rhenium(III) oxide Rhenium(III) chloridemanganese(IV) oxide Technetium(VII) oxide
1431ReO3rhenium(VI) oxide1314-28-9
1432ReS2rhenium(IV) sulfide12038-63-0
1433ReTe2rhenium(IV) telluride12067-00-4
1434Rh(NO3)3rhodium(III) nitrate13465-43-5
1435Rh2(SO4)3rhodium(III) sulfate10489-46-0
1436Rh2O3rhodium(III) oxide12036-35-0Rh2O3hexagonal (corundum)dark grey odorless powder253.8092 g/mol8.20 g/cc1100°C (decomposes)insolubleinsoluble in aqua regia
1437Rh2S3rhodium(III) sulfide12067-06-0
1438Rh2S7rhodium(VII) sulfide12038-67-4
1439RhBr3rhodium(III) bromide15608-29-4
1440RhCl3rhodium(III) chloride10049-07-7Rhodium trichlorideRhCl3octahedralMonoclinic, mS16dark red solid deliquescent209.26 g/mol5.38 g/cc, solidca. 450 °C717 °Cinsolublesoluble in hydroxide and cyanide solutions, also soluble in aqua regia-234 kJ/molRhodium(III) fluoride Rhodium(III) bromide Rhodium(III) iodideCobalt(II) chloride Iridium(III) chlorideNon-flammableacidic in solution
1441RhF3rhodium(III) fluoride60804-25-3
1442RhF4rhodium(IV) fluoride60617-65-4
1443RhF5rhodium(V) fluoride41517-05-9
1444RhF6rhodium(VI) fluoride13693-07-7
1445RhI3rhodium(III) iodide15492-38-3
1446RhO2rhodium(IV) oxide12137-27-8RhO2tetragonal (rutile)black crystalline solid134.904 g/mol7.2 g/cm³1050 °C (decomposes)
1447RhS2rhodium(IV) sulfide12038-73-2
1448RhSe2rhodium(IV) selenide12038-76-5
1449RhTe2rhodium(IV) telluride12038-80-1
1450RuBr2ruthenium(II) bromide59201-36-4
1451RuBr3ruthenium(III) bromide14014-88-1
1452RuC15H21O3ruthenium(III) acetylacetonate22594-69-0
1453RuCl2ruthenium(II) chloride13465-51-5
1454RuCl3ruthenium(III) chloride10049-08-8RuCl3·xH2Ooctahedraltrigonal (RuCl3), hP8207.43 g/mol>500 °C (decomp.)SolubleRuthenium(III) bromideRhodium(III) chloride Iron(III) chlorideNon-flammable
1455RuF3ruthenium(III) fluoride51621-05-7
1456RuF4ruthenium(IV) fluoride71500-16-8
1457RuF5ruthenium(V) fluoride14521-18-7
1458RuF6ruthenium(VI) fluoride13693-08-8
1459RuI2ruthenium(II) iodide59201-41-1
1460RuI3ruthenium(III) iodide13896-65-6
1461RuO2ruthenium(IV) oxide12036-10-1Ruthenium dioxideRuO2Octahedral (RuIV); trigonal planar (O2–)Rutile (tetragonal), tP6blue-black solidPhase behaviour Solid, liquid, gas133.07 g/mol6.97 g/cc1200 ºC subl.UV, IR, NMR, MSinsolubleRuthenium disulfideOsmium(IV) oxideNon-flammable
1462RuO4ruthenium(VI) oxide20427-56-9RuO4colorless liquid165.07 g/mol3.29 g/cc25.4 °C40.0 °Czero2% w/v at 20°C
1463RuS2ruthenium(IV) sulfide12166-20-0
1464RuSe2ruthenium(IV) selenide12166-21-1
1465RuTe2ruthenium(IV) telluride12166-21-1
1466S2Br2disulfur dibromide13172-31-1
1467S2Cl2disulfur dichloride10025-67-9Sulfur monochlorideS2Cl2gaucheyellow liquid135.04 g/mol1.688 g/cc–80 °C137.1 °C1.6581.60 D [2]decomp with loss of HClsoluble in ethanol, benzene, ether, chloroform, CCl4 [1]234 °C118.5 °C
1468S2F10disulfur decafluoride5714-22-7S2F10-53 °C30.1 °C
1469S2F4disulfur tetrafluoride10546-01-7
1470S2I2disulfur diiodide53280-15-2
1471S2Odisulfur monoxide20901-21-7
1472S4N4tetrasulfur tetranitride28950-34-7S4N4Orange solid184.29 g/mol187 °C (460 K)Insoluble
1473Sb2(SO4)3antimony trisulfate7446-32-4
1474Sb2O3antimony trioxide1309-64-4Antimony sesquioxide Antimonous oxide Flowers of AntimonySb2O3pyramidalcubic (α)<570 °C orthorhombic (β) >570 °Cwhite solidPhase behaviour Solid, liquid, gas291.52 g/mol5.2 g/cm³, α-form656 °C1425 °C (sublimes)2.087UV, IR, NMR, MSzero1.21 g/100 mL (0 °C) 1.80 g/100 mL (20 °C) 8.20 g/100 mL (100 °C), with hydrolysisinsolubleAntimony trisulfideArsenic trioxide Bismuth trioxide
1475Sb2O4antimony tetroxide1332-81-6SbO2; Sb2O4orthorhombicwhite solid153.7588; 307.5176 g/mol6.64 g/cc (orthorhombic form) [1]dec.dec.2insoluble
1476Sb2O5antimony pentoxide1314-60-9antimony(V) oxideSb2O5yellow powdery solid323.5 g/mol3.78 g/cc, solid380°C (decomposes)very slightly solubleinsoluble in nitric acid
1477Sb2S3antimony trisulfide1345-04-6
1478Sb2S5antimony pentasulfide1315-04-4S5Sb2403.85 g mol−1
1479Sb2Se3antimony triselenide1315-05-5antimonselite selenoxyantimonySb2Se3Orthorhombic, oP20, SpaceGroup = Pnma, No. 62black crystals480.4 g/mol5.81 g/cc, solid611 °Cantimony(III) oxide, antimony(III) sulfide, antimony(III) telluridearsenic(III) selenide, bismuth(III) selenide
1480Sb2Te3antimony tritelluride1327-50-0
1481SbBr3antimony tribromide7789-61-9SbBr3Orthorhombic, oP16, SpaceGroup = Pnma, No. 62 (β form)colorless hygroscopic crystals361.472 g/mol4.35 g/cc, solid96.6°C280°Creacts
1482SbCl2F3antimony dichlorotrifluoride7791-16-4
1483SbCl3antimony trichloride10025-91-9Antimony (III) chloride Trichlorostibine Antimonous chloride Butter of antimonySbCl3colorless solid; sharp, pungent odor228.13 g/mol3.140 g/cc, solid73.4 °C220.3 °C602 g/100 cm3 (0 °C) 910 g/100 cm3 (20 °C)Antmony trifluoride Antimony tribromide Antimony triiodideNitrogen trichloride Phosphorus trichloride Arsenic trichloride Bismuth chlorideNon-flammable
1484SbCl5antimony pentachloride7647-18-9Antimonic chloride Antimony quintachloride Antimony perchlorideSbCl5Colourless or yellow (fuming) liquid299.02 g/mol2.336 g/cc2.8 °C, 276 K, 37 °F140 °C, 413 K, 284 °F1.592550 Ddecomposessoluble in HCl, chloroform and CCl4Antimony pentafluoridePhosphorus pentachloride77 °C0.00191 Pa s
1485SbF3antimony trifluoride7783-56-4trifluoroantimonySbF3Orthorhombic, oS16colourless crystals178.75 g/mol4.379 g/cc292°C (565.15 K)376°C (649.15 K)soluble
1486SbF5antimony pentafluoride7783-70-2antimony pentafluoride pentafluoridoantimonySbF5colorless oily liquid hygroscopic216.74 g/mol2.99 g/cc [1]8.3 °C, 281 K, 47 °F149.5 °C, 423 K, 301 °FReacts with watersoluble in KFAntimony pentachloridePhosphorus pentafluoride Arsenic pentafluoride Bismuth pentafluoride
1487SbH3antimony trihydride7803-52-3Antimony trihydrideH3SbColourless gasPhase behaviour Solid, liquid, gas124.784 g/mol5.48 g/L, gas−88 °C, 185 K, -126 °F−17 °C, 256 K, 1 °FUV, IR, NMR, MSFlammable gas
1488SbI3antimony triiodide7790-44-5SbI3Rhombohedral, hR24, SpaceGroup = R-3, No. 148Red crystals502.473 g/mol4.92 g/cc, solid171 °C401 °C
1489SbI5antimony pentaiodide7790-44-5
1490SbNantimony trinitride12333-57-2
1491SbNbO4antimony orthoniobate35600-19-2
1492Sc(CF3SO3)3scandium(III) trifluoromethanesulfonate144026-79-9C3F9O9S3Sc492.16 g/mol
1493Sc(CHO2)3scandium(III) formate23405-01-8
1494Sc(NO3)3scandium(III) nitrate13465-60-6Sc(NO3)3off-white crystals230.97 g/mol? g/ml, solid
1495Sc2O3scandium(III) oxide12060-08-1Scandia, scandium sesquioxideSc2O3137.91 g/mol3.86 g/cc2485 °C
1496Sc2S3scandium(III) sulfide12166-29-9Sc2S3orthorhombicyellow crystals186.11 g/mol2.91 g/cm³, solid1775°C
1497Sc2Te3scandium(III) telluride12166-44-8
1498ScBr3scandium(III) bromide13465-59-3
1499ScCl3scandium(III) chloride10361-84-9scandium chloride scandium trichlorideScCl3grayish-white crystals151.31 g/mol2.39 g/mL, solid960 °Csoluble
1500ScF3scandium(III) fluoride13709-47-2Scandium trifluorideScF3Rhombohedral, R32bright white powder101.95112 g/mol2.53 g/cc1552 °C[1]1607 °C[1]
1501ScH2scandium(II) hydride13598-30-6
1502ScH3scandium(III) hydride43238-07-9
1503ScI3scandium(III) iodide14474-33-0
1504SCl2sulfur dichloride10545-99-0Sulfur chlorideSCl2C2vred liquid with pungent odour102.97 g mol−11.621 g cm−3, liquid−121.0 °C (152.15 K)59 °C (332.15 K) (decomp.)1.557hydrolysis234 °C
1505SCl4sulfur tetrachloride13451-08-6
1506Se2S6selenium hexasulfide75926-26-0Se2S6orange needles350.32 g/mol2.44 g/cc121.5°Csoluble in carbon disulfide
1507SeBrselenium bromide17655-37-7
1508SeBr2selenium dibromide22987-45-7
1509SeBr4selenium tetrabromide7789-65-3
1510SeCl2selenium dichloride14457-70-6
1511SeCl4selenium tetrachloride10026-03-6SeCl4Monoclinic, mS80white to yellow crystals220.771 g/mol2.6 g/cm³, solidsublimes at 191.4°C[1]decomposes in waterSelenium tetrafluoride Selenium tetrabromide Selenium dioxideDichlorine monoxide Sulfur tetrachloride Tellurium tetrachloridenon-flammable
1512SeF2selenium difluoride70421-43-1
1513SeF4selenium tetrafluoride13465-66-2SeF4colourless liquid154.954 g/mol2.77 g/cc-13.2 °C101 °Cselenium dioxide, selenium(IV) chloride, selenium(IV) bromidesulfur tetrafluoride, tellurium(IV) fluoride
1514SeF6selenium hexafluoride7783-79-1selenium(VI) fluoride, selenium fluorideSeF6octahedral (Oh)Orthorhombic, oP28colourless gas192.9534 g/mol2.108 g/cc−50.8 °C-34.5 °C1.895insoluble1030 kJ/mol[1]
1515SeO2selenium dioxide7446-08-4Selenium(IV) oxide Selenous anhydrideSeO2trigonal (Se)see textWhite crystalline solid110.96 g/mol3.95 g/cc, solid340 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 benzeneSelenium disulfideSulfur dioxide Tellurium dioxideNon-flammable2.62; 8.32
1516SeO2F2selenium dioxydifluoride14984-81-7
1517SeO3selenium trioxide13768-86-0SeO3tetragonalwhite hygroscopic crystals126.96 g/mol3.44 g/cc118.35 °Csublimesvery soluble
1518SeOBr2selenium oxybromide7789-51-7SeOBr2red-yellow solid254.77 g/mol3.38 g/cm³, solid41.6°Cdecomposes at 220°Creactssoluble in carbon disulfide, benzene, carbon tetrachloride[1]
1519SeOCl2selenium oxychloride7791-23-3Seleninyl chlorideSeOCl2colorless liquid165.87 g/mol2.43 g/cc, liquid10.9 °C177.2 °C1.651 (20 °C)hydrolyzes violentlysoluble in CS2, CCl4, chloroform, benzene, toluene decomposes in HCl
1520SeSselenium monosulfide744-34-6
1521SeS2selenium disulfide7488-56-4Selenium(IV) sulfideSeS2orange143.09 g/mol-249.5 °C, 24 K, -417 °F-112 °C, 161 K, -170 °FinsolubleSelenium dioxideTellurium disulfide
1522SF2sulfur difluoride13814-25-0
1523SF4sulfur tetrafluoride7783-60-0Sulfur tetrafluorideSF4colorless gas108.07 g/mol1.95 g/cc, −78 °C−121.0 °C−38 °C0.632 D[1]decompSulfur dichloride Disulfur dibromideOxygen difluoride Selenium tetrafluoride Tellurium tetrafluoride Polonium tetrafluoride
1524SF6sulfur hexafluoride2551-62-4Sulfur fluoride Elagas EsaflonSF6octahedral (Oh)Orthorhombic, oP28colorless, odorless gas146.06 g/mol6.164 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 solubleSelenium hexafluoride Tellurium hexafluoride
1525Si3N4silicon nitride12033-89-5N4Si3grey, odorless powder140.28 g mol−13.44 g/cc, solid1900 °C, 2173 K, 3452 °F (decomposes)silicon carbide, silicon dioxideboron nitride
1526SiB4silicon boride12007-81-7
1527SiBr4silicon bromide7789-66-4tetrabromosilane, silicon (IV) bromide, silicon bromideSiBr4colorless liquid347.72 g/mol2.79 g/cc5 ËÅ¡C153 ËÅ¡C1.5685reacts
1528SiCsilicon carbide409-21-2SiCtransparent to black powder depending on purity40.0962 g/mol3.21 g/cc (all polytypes) [1]2730°C (decomposes)~900 cm2/(V*s) (all polytypes)2.55 (infrared; all polytypes) [2]insolubleinsoluble in acid
1529SiCl4silicon chloride10026-04-7Silicon tetrachloride TetrachlorosilicaneSiCl44TetrahedralColourless liquidPhase behaviour Solid, liquid, gas169.90 g·mol-11.483×10−3 kg/m3−68.74 °C57.65 °C25.9 kPa at 20 °CUV, IR, NMR, MSdecomposessoluble in benzene, toluene, chloroform, etherSilicon tetrafluoride Silicon tetrabromide Silicon tetraiodideCarbon tetrachloride Germanium tetrachloride Tin(IV) chloride Lead(IV) chloride−18 °C
1530SiF4silicon fluoride7783-61-1Silicon fluoride Fluoro acid airSiF4colourless gas, fumes in moist air104.0791 g/mol1.66 g/cc, solid (−95 °C) 4.69 g/L (gas)−90 °C−86 °C0 DdecomposesSilicon tetrachloride Silicon tetrabromide Silicon tetraiodideCarbon tetrafluoride Germanium tetrafluoride Tin tetrafluoride Lead tetrafluoride
1531SiH4silicon hydride7803-62-5Silicon tetrahydride Silicon hydride Monosilane SilicaneSiH4Colorless gas32.12 g/mol0.7 g/ml (liquid) 1.342 kg/m3 (gas)88 K (−185 °C)161 K (−112 °C)0 DInsoluble, slow hydrolysis−1615 kJ/mol283 J mol−1 K−1294 K (21 °C) (~70°F)flammable gas
1532SiI4silicon iodide13465-84-4silicon tetraiodide TetraiodosilaneSiI4white powder535.7034 g/mol4.198 g/cc120.5 °C, 394 K, 249 °F287.4 °C, 561 K, 549 °Finsoluble-18 °C
1533SiO2silicon dioxide14808-60-7Silica quartzSiO2see textwhite powder60.0843 g/mol2.634 g/cc1650(±75) °C2230 °C0.012 g/100 mLSilicon sulfideCarbon dioxide Germanium dioxide Tin dioxide Lead dioxideNon-flammable
1534SiS2silicon sulfide13759-10-9silicon disulfideSiS2tetrahedralorthorhombic, rhombohedralwhite, grey, or brown needles rotten egg smell in moist air92.218 g/mol1.853 g/cc1090 °C (sublimes)decomposessilicon dioxidecarbon disulfide germanium disulfide tin(IV) sulfide lead(IV) sulfide
1535Sm(CHO2)3samarium(III) formate3252-54-8
1536Sm2O3samarium(III) oxide12060-58-1samarium sesquioxideSm2O3cubicyellow-white crystals348.72 g/mol8.347 g/cc2335°Cinsoluble
1537Sm2S3samarium(III) sulfide12067-22-0Sm2S3cubicred-brown crystals396.92 g/mol5.87 g/cm³, solid1720°C?
1538Sm2Se3samarium(III) selenide12039-56-4
1539Sm2Te3samarium(III) telluride12040-00-5
1540SmBr2samarium(II) bromide50801-97-3
1541SmBr3samarium(III) bromide13759-87-0
1542SmCl2samarium(II) chloride13874-75-4samarium dichlorideSmCl2brown crystals221.27 g/mol3.69 g/cc, solid855°C°C?
1543SmCl3samarium(III) chloride10361-82-7SmCl3Tricapped trigonal prismatic (nine-coordinate)hexagonal, hP8pale 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 °Cdecomposes92.4 g/100 mL (10 °C)
1544SmF2samarium(II) fluoride15192-17-3
1545SmF3samarium(III) fluoride13765-24-7Samarium trifluoride, TrifluorosamariumSmF3Orthorombic, oP16, SpaceGroup = Pnma, No. 62Yellow odorless powder207.36 g/mol6.6 g/cc at 20 °C1306 °C2427 °CSoluble
1546SmI2samarium(II) iodide32248-43-4Samarium diiodideSmI2green solid404.16 g/mol520 °CSamarium(II) chloride Samarium(II) bromideSamarium(III) iodide Europium(II) iodideNon-flammable
1547SmI3samarium(III) iodide13813-25-7
1548Sn(BF4)2tin(II) fluoroborate13814-97-6
1549SnBr2tin(II) bromide10031-24-0tin dibromide, stannous bromideSnBr2related to PbCl2yellow powder278.518 g/mol5.12 g/cm³, solid215°C639°C?
1550SnBr4tin(IV) bromide7789-67-5tin tetrabromide, stannic bromide, bromostannic acidSnBr4colourless [1]438.33 g/mol3.340 g/cc (at 35 °C)[1]31 °C [1]205 °C [1]
1551SnC2O4tin(II) oxalate814-94-8
1552SnCl2tin(II) chloride7772-99-8Stannous chloride Tin salt Tin protochlorideSnCl2Trigonal pyramidal (anhydrous) Dihydrate also three-coordinateLayer structure (chains of SnCl3 groups)White crystalline solidPhase behaviour Solid, liquid, gas189.60 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, MS83.9 g/100 ml (0 °C) Hydrolyses in hot watersoluble in ethanol, acetone, ether insoluble in xyleneTin(II) fluoride Tin(II) bromide Tin(II) iodideGermanium dichloride Tin(IV) chloride Lead(II) chloride
1553SnCl4tin(IV) chloride7646-78-8Stannic chlorideSnCl4fuming liquid260.50 g/mol (anhydrous) 350.60 g/mol (pentahydrate)2.226 g/ml (anhydrous) 2.04 g/cc (pentahydrate)-33 °C114.15 °Cdecomposes (anhydrous) very soluble (pentahydrate)soluble in alcohol, benzene, toluene, chloroform, acetone, keroseneTin(IV) fluoride Tin(IV) bromide Tin(IV) iodideGermanium tetrachloride Tin(II) chloride Lead(IV) chloride
1554SnF2tin(II) fluoride7783-47-3Stannous fluorideSnF2Monoclinic, mS48colorless solid156.69 g/mol4.57 g/cc215 °C850 °Cca. 35 g/100 mL (20 °C)Tin(II) chloride Tin(II) bromide Tin(II) iodideGermanium tetrafluoride Tin tetrafluoride Lead(II) fluorideNon-flammable
1555SnF4tin(IV) fluoride7783-62-2stannic fluoride, tin tetrafluorideSnF4Tetragonal, tI10white solid194.704 g/molabove 700 °C (sublimes)
1556SnH4tin(IV) hydride2406-52-2tin tetrahydride tin hydride stannaneSnH4colourless gas122.71 g mol−15.4 g dm−3, gas−146 °C (127.15 K)−52 °C (221.15 K)? g/100 ml (?°C)
1557SnI2tin(II) iodide10294-70-9stannous iodideSnI2red to red-orange solid372.519 g/mol320 °C714 °Ctin dichloride, tin(II) bromidegermanium diiodide, lead(II) iodide
1558SnI4tin(IV) iodide7790-47-8tin tetraiodide stannic iodideSnI4Cubic, cP40red-orange solid626.328 g mol−14.56 g cm−3144 °C[1]348 °C
1559SnOtin(II) oxide21651-19-4Stannous oxideSnOtetragonalblack powder134.71 g/mol6.45 g/cc1080 °C (decomp)[1]insolubleTin sulfide Tin selenide Tin tellurideCarbon monoxide Silicon monoxide Germanium(II) oxide Lead(II) oxideNon-flammable
1560SnO2tin(IV) oxide18282-10-5Stannic oxide Tin(IV) oxide Flowers of tin CassiteriteSnO2Octahedral (SnIV); trigonal planar (O2–)Rutile (tetragonal), tP6white powder150.71 g/mol6.95 g/cc1630 °C1800–1900 ºC2.006insolubleTin disulfideCarbon dioxide Silicon dioxide Titanium dioxide Germanium dioxide Zirconium dioxide Hafnium dioxide Lead dioxideNon-flammable
1561SnStin(II) sulfide1314-95-0Tin monosulfide HerzenbergiteSnSOctahedral (Sn2+) Octahedral (S2−)Halite (cubic), cF8dark brown solid150.76 g/mol5.22 g/cc882 ËÅ¡Cabout 1230 ËÅ¡CInsolubleTin(II) oxide Tin selenide Tin tellurideCarbon monosulfide Silicon monosulfide Germanium monosulfide Lead(II) sulfide
1562SnS2tin(IV) sulfide1315-01-1tin disulfide, stannic sulfide, mosaic goldSnS2octahedralRhombohedral, hP3, SpaceGroup = P-3m1, No. 164gold-yellow odorless powder182.81 g/mol4.5 g/cc, solid<680 °Cinsoluble
1563SnSetin(II) selenide1315-06-6Tin(II) selenideSnSeOctahedral (Sn2+) Octahedral (Se2−)Halite (cubic), cF8steel gray odorless powder197.67 g/mol6.179 g/cc861 °CinsolubleTin(II) oxide Tin(II) sulfide Tin tellurideCarbon monoselenide Silicon monoselenide Germanium selenide Lead selenide
1564SnSe2tin(IV) selenide20770-09-6
1565SnSO4tin(II) sulfate7488-55-3Stannous sulfateSnSO4white-yellowish crystalline solid deliquescent214.77 g/mol4.15 g/cc378 °Cdecomposes to SnO2 and SO2solubleLead(II) sulfateNon-flammable
1566SnTetin(II) telluride12040-02-7
1567SOsulfur monoxide13827-32-2
1568SO2sulfur dioxide7446-09-5Sulfur(IV) oxide Sulfurous anhydrideSO2colorless gas64.07 g/mol2.551 g/L (gas) 1.46 g/cc (liquid, −10 °C)-75.5 °C, 198 K, -104 °F-10.0 °C, 263 K, 14 °F1.62 D22.97 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 acidSelenium dioxide Tellurium dioxideNon-flammable1.810.403 cP (0 °C)
1569SO3sulfur trioxide7446-11-9Sulfuric anhydride SulfanSO380.06 g/mol1.92 g/cc, liquid16.9 °C45 °Chydrolyses−397.77 kJ/mol256.77 J K−1 mol−1Selenium trioxide Tellurium trioxideNon-flammable
1570Sr(C2H3O2)2strontium acetate543-94-2
1571Sr(NO3)2strontium nitrate10042-76-9Sr(NO3)2white granular solid211.63 g/mol2.986 g/cc (anhydrous) 2.20 g/cc (tetrahydrate) [1]570 ºC (anhydrous) 100 °C, decomp (tetrahydrate)645 ºC, decompanhydrous: 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, acetoneStrontium sulfate Strontium chlorideBeryllium nitrate Magnesium nitrate Calcium nitrate Barium nitrateNon-flammable
1572Sr(OH)2strontium hydroxide18480-07-4Sr(OH)2tetragonal (octahydrate)prismatic colourless crystals deliquescent121.63 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, NH4ClStrontium oxide Strontium peroxideBeryllium hydroxide Magnesium hydroxide Calcium hydroxide Barium hydroxideNon-flammable−2.19
1573Sr3P2strontium phosphide12504-16-4
1574SrAlO3strontium aluminate12004-37-4
1575SrB2O4strontium metaborate13703-84-9
1576SrB6strontium boride12046-54-7strontium hexaborideSrB6Cubicblack crystalline powder152.49 g/mol3.39 g/cc, solid (15.0°C)2235.0°C
1577SrBr2strontium bromide10476-81-0SrBr2tetragonal[1]white crystalline powder247.434.216643°Cstrontium fluoride strontium chloride strontium iodidecalcium bromide barium bromide
1578SrBr2-6H2Ostrontium bromide hexahydrate7789-53-9
1579SrCl2strontium chloride10476-85-4Strontium(II) chlorideSrCl2octahedral (six-coordinate)Deformed rutile structureWhite crystalline solid158.53 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: insolubleStrontium fluoride Strontium bromide Strontium iodideMagnesium chloride Calcium chloride Barium chlorideNon-flammable
1580SrCO3strontium carbonate1633-05-2StrontianiteSrCO3White or grey powder hygroscopic147.63 g/mol3.5 g/cc1290 ºC decomp.1.518 [1]0.011 g/100 ml (18 ºC)Magnesium carbonate Calcium carbonate Barium carbonateNon-flammable
1581SrCrO4strontium chromate7789-06-2
1582SrF2strontium fluoride7783-48-4Strontium difluoride Strontium(II) fluorideSrF2Sr, 8, cubic F, 4, tetrahedralcubic crystal system, cF12125.62 g/mol4.24 g/cc1477 °C2460 °C1.439 @0.58 µm0.039 g/100 gStrontium chloride Strontium bromide Strontium iodideBeryllium fluoride Magnesium fluoride Calcium fluoride Barium fluorideNon-flammable
1583SrH2strontium hydride13598-33-9
1584SrI2strontium iodide10476-86-5SrI2 (anhydrous) SrI2·6H2O (hexahydrate)Orthorhombic, oP24Colorless to white crystalline plates341.43 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 bromidecalcium iodide barium iodide
1585SrMoO4strontium molybdate13470-04-7
1586SrNOstrontium nitrite13470-06-9
1587SrOstrontium oxide1314-11-0StrontiaSrOOctahedral (Sr2+); octahedral (O2–)Halite (cubic), cF8colorless cubic crystals103.62 g/mol4.70 g/cc2531°C> 3000 °C (decomp)44.3 J/molK1.810 [2]reacts, forms Sr(OH)2miscible with caustic potash slightly soluble in alcohol insoluble in acetone and ether-592.0 kJ·mol-157.2 J/molKStrontium sulfideBeryllium oxide Magnesium oxide Calcium oxide Barium oxideNon-flammable
1588SrO2strontium peroxide1314-18-76Tetragonal [1]white powder119.619 g/mol4.56 g/cc215°C (decomposes)
1589SrSstrontium sulfide1314-96-1Strontium monosulfide C.I. 77847SrSOctahedral (Sr2+); octahedral (S2–)Halite (cubic), cF8Grey powder119.68 g/mol3.7 g/cc> 2000°C[2]slightly solubleStrontium oxideMagnesium sulfide Calcium sulfide Barium sulfide
1590SrS2O6strontium dithionate13845-15-4
1591SrSCNstrontium thiocyanate18807-10-8
1592SrSestrontium selenide1315-07-7
1593SrSeO4strontium selenate7446-21-1
1594SrSiO4strontium silicate12712-63-9
1595SrSnO3strontium stannate12143-34-9
1596SrSO3strontium sulfite13451-02-0
1597SrTiO3strontium titanate12060-59-2
1598SrWO4strontium tungstate13451-05-3
1599SrZrO3strontium zirconate12036-39-4
1600Ta2Htantalum hydride12026-09-4
1601Ta2O5tantalum(V) oxide1314-61-0Ta2O5white, odorless powder441.893 g/mol8.20 g/cc [1]1872 °Cinsolubleinsoluble in ethanol, most acid soluble in hot conc.HF
1602TaAl3tantalum(III) aluminide12004-76-1tantalum trialuminideTaAl3gray refractory powder261.893 g/mol7.02 g/cm³, solid1400°Cinsoluble[1]
1603TaBr3tantalum(III) bromide13842-73-4
1604TaBr4tantalum(IV) bromide13842-76-7
1605TaBr5tantalum(V) bromide13451-11-1tantalum pentabromideTaBr5yellow crystalline580.468 g/mol4.99 g/cm³, solid265°C349°C
1606TaCtantalum(IV) carbide12070-06-3tantalum (IV) carbideTaCcubic, cF8black-gray odorless powder192.959 g/mol13.9 g/cc, solid3880°C5500°Cinsoluble
1607TaCl3tantalum(III) chloride13569-67-0
1608TaCl4tantalum(IV) chloride13569-72-7
1609TaCl5tantalum(V) chloride7721-01-9TaCl5Monoclinic, mS72yellow monoclinic crystals [1]358.21 g/mol216 °C239.4 °C (decomp)reactssoluble in ethanol, ether, CCl4-858.98 kJ/mol221.75 J K−1 mol−1Tantalum(V) fluoride Tantalum(V) bromide Tantalum(V) iodideVanadium(IV) chloride Niobium(V) chlorideNon-flammable
1610TaF3tantalum(III) fluoride13814-17-0
1611TaF5tantalum(V) fluoride7783-71-3tantalum pentafluorideTaF5white powder275.95 g/mol4.74 g/cc, solid96.8 °C229.5 °C0 Ddecomposesnonflammable
1612TaI4tantalum(IV) iodide14693-80-2
1613TaI5tantalum(V) iodide14693-81-3
1614TaNtantalum(III) nitride12033-62-4Tantalum mononitrideTaNHexagonal, hP6black crystals194.95 g/mol13.7 g/cc, solid3090 °CVanadium nitride Niobium nitrideNon-flammable
1615TaOtantalum(II) oxide12035-90-4
1616TaO2tantalum(IV) oxide12036-14-5
1617TaStantalum(II) sulfide41203-00-3
1618TaS2tantalum(IV) sulfide12143-72-5tantalum disulfideTaS2hexagonalblack crystals245.08 g/mol6.86 g/cm³, solid3000°C
1619TaSe2tantalum(IV) selenide12039-55-3
1620TaSi2tantalum(IV) silicide12039-79-1
1621TaTe2tantalum(IV) telluride12067-66-2
1622Tb(CHO2)3terbium(III) formate3252-57-1
1623Tb2O3terbium(III) oxide12036-41-8terbium trioxide, terbiaO3Tb2Cubic, cI80white crystals365.85 g mol−12410 °C, 2683 K, 4370 °F
1624Tb2S3terbium(III) sulfide12138-11-3
1625Tb2Se3terbium(III) selenide12166-48-2
1626TbBr3terbium(III) bromide14456-47-4terbium tribromideTbBr3white powder398.637 g/mol4.67 g/cm³, solid828°C1490°Csoluble
1627TbCl3terbium(III) chloride10042-88-3terbium trichlorideTbCl3Tricapped trigonal prismatic (nine-coordinate)hexagonal (UCl3 type), hP8white powder265.2834 g/mol4.35 g/cm³, solid558°C180-200°C (in HCl gas atmosphere)soluble
1628TbF2terbium(II) fluoride107949-15-5
1629TbF3terbium(III) fluoride13708-63-9
1630TbF4terbium(IV) fluoride36781-15-4
1631TbI3terbium(III) iodide13813-40-6terbium triiodideTbI3hexagonalhygroscopic crystals539.638 g/mol5.2 g/cm³, solid957°C
1632TbNterbium(III) nitride12033-64-6
1633TbO2terbium(IV) oxide12036-15-6
1634TbSi2terbium(IV) silicide12039-80-4
1635Tc2O7technetium(VII) oxide12165-21-8Technetium heptoxideTc2O7yellow solid119.5 °C310.6 °Chydrolysis to HTcO4
1636TcBr4technetium(IV) bromide74078-05-0
1637TcCl4technetium(IV) chloride14215-13-5Technetium tetrachloride, Technetium chlorideTcCl4Orthorhombic, oP40239.718 g/mol300°C[1]Technetium(VI) fluorideManganese(II) chloride Rhenium(V) chloride Ruthenium(III) chloride
1638TcCl6technetium(VI) chloride31227-43-7
1639TcF5technetium(V) fluoride31052-14-9
1640TcF6technetium(VI) fluoride13842-93-8TcF6cubicyellow crystals212 g/mol3 g/cm³, solid37.4°C55.3°C
1641TcO2technetium(IV) oxide12036-16-7
1642TcS2technetium(IV) sulfide34312-50-0
1643TeBr2tellurium dibromide7789-54-0TeBr2green-brown crystals hygroscopic287.41 g/mol210°C339°Ctellurium dichlorideselenium dibromide
1644TeBr4tellurium tetrabromide10031-27-3TeBr4monoclinicyellow-orange crystals447.22 g/mol4.3 g/cm³, solid388°Cdecomposes @420°C
1645TeCl2tellurium dichloride10025-71-5TeCl2amorphous hygroscopic black solid198.51 g/mol6.9 g/cm³, solid208°C328°Creacts[1]
1646TeCl4tellurium tetrachloride10026-07-0Tellurium chloride[TeCl4]4Distorted octahedral (Te)Monoclinic, mS80hygroscopic pale yellow solid (if fused, maroon liquid)1077.64 g/mol3.26 g/cm³, solid224 °C380 °C2.59 D (gas phase)Tellurium tetrafluoride Tellurium tetrabromide Tellurium tetraiodideSelenium tetrachloride Polonium tetrachloride
1647TeF4tellurium tetrafluoride15192-26-4TeF4white crystalline solid203.594129 °Ctellurium dioxide, tellurium tetrachloride, tellurium(IV) bromide, tellurium(IV) iodidesulfur tetrafluoride, selenium tetrafluoride
1648TeF6tellurium hexafluoride7783-80-4TeF6octahedral (Oh)Orthorhombic, oP28241.59 g/mol0.0106 g/cm³−38 °C−39 °C
1649TeItellurium monoiodide12600-42-9
1650TeI4tellurium tetraiodide7790-48-9tellurium(IV) iodideTeI4orthorhombicblack crystals635.22 g/mol5.05 g/cm³, solid280°C
1651TeOtellurium monoxide13451-17-7
1652TeO2tellurium dioxide7446-07-3Tellurium(IV) oxideTeO2white solid159.60 g/mol5.670 g/cc (tetragonal) 6.04 g/cc (orthorhombic) [1]733 °C1245 °Cnegligiblesoluble in acid and alkaliSulfur dioxide Selenium dioxideNon-flammable
1653TeO3tellurium trioxide13451-18-8tellurium(VI) oxideTeO3yellow-orange crystals (α-TeO3)175.6 g/mol5.07 g/cm³, solid430°C
1654TeS2tellurium disulfide7446-07-3
1655Th(CO3)2thorium(II) carbonate19024-62-5
1656Th(NO3)4thorium(IV) nitrate13823-29-5
1657Th2S3thorium(III) sulfide12286-35-0
1658ThBr4thorium(IV) bromide13453-49-1
1659ThCthorium(IV) carbide12012-16-7ThCcubiccrystals244.049 g/mol10.6 g/cm³, solid2500°C
1660ThCl4thorium(IV) chloride10026-08-1ThCl4tetragonalgrey-white needles hygroscopic373.849 g/mol4.59 g/cm³, solid770°C921°C
1661ThF3thorium(III) fluoride13842-84-7
1662ThF4thorium(IV) fluoride13709-59-6ThF4Monoclinic, mS60hygroscopic white crystals308.03 g/mol6.1 g/cc1110 °C1680 °CThorium(IV) chloride Thorium(IV) bromide Thorium(IV) iodideProtactinium(IV) fluoride Uranium(IV) fluoride Neptunium(IV) fluoride Plutonium(IV) fluorideNon-flammable
1663ThH2thorium(II) hydride16689-88-6
1664ThI2thorium(II) iodide13779-95-8
1665ThI3thorium(III) iodide13779-96-9
1666ThI4thorium(IV) iodide7790-49-0thorium tetraiodideThI4monoclinicwhite-yellow crystals739.656 g/mol6 g/cm³, solid570°C837°C
1667ThNthorium(III) nitride12033-65-7
1668ThO2thorium(IV) oxide1314-20-1thoria thorium anhydrideThO2Tetrahedral (O2–); cubic (ThIV)Fluorite (cubic), cF12white odorless solid264.04 g/mol10.00 g/cc, solid3390 °C4400°C2.200 (thorianite)insolubleinsoluble in alkali slightly soluble in acid−1226(4) kJ/mol65.2(2) J K−1 mol−1Hafnium(IV) oxide Cerium(IV) oxideNon-flammable
1669ThSthorium(II) sulfide12039-06-4
1670ThS2thorium(IV) sulfide12138-07-7ThS2dark brown crystals296.17 g/mol7.3 g/cm³, solid1905°C
1671ThSe2thorium(IV) selenide60763-24-8
1672ThSi2thorium(IV) silicide12067-54-8
1673ThSiO4thorium(IV) orthosilicate14553-44-7thoriteThSiO4tetragonal cubicbrown crystals324.122 g/mol6.7 g/cm³, solid
1674Ti(SO4)2titanium(IV) sulfide18130-44-4
1675Ti2(SO4)3titanium(III) sulfide10343-61-0
1676Ti2O3titanium(III) oxide1344-54-3titanium sesquioxideTi2O3violet black, odorless powder143.76 g/mol4.49 g/cc2130°C (decomposes)insoluble
1677Ti2S3titanium(III) sulfide12039-16-6
1678Ti3O5titanium(III,IV) oxide12065-65-5
1679TiBr2titanium(II) bromide13783-04-5
1680TiBr3titanium(III) bromide13135-31-4
1681TiBr4titanium(IV) bromide7789-68-6Titanium(IV) bromideTiBr4Tetrahedralcubic, Pa3, Z = 8brown crystals hygroscopic367.48 g/mol3.25 g/cc39 °C230 °C0 DdecompositionTiCl4 TiI4VCl4nonflammable
1682TiCtitanium(IV) carbide12070-08-5TiCOctahedralCubic, cF8black powder59.89 g/mol4.93 g/cc3160 °C, 3433 K, 5720 °F4820 °C, 5093 K, 8708 °Finsoluble in water
1683TiC8H20O4titanium(IV) ethoxide3087-36-3
1684TiCl2titanium(II) chloride10049-06-6Cl2Tiblack hexagonal crystals118.77 g mol−13.13 g/cc1035°C1500°C[1]
1685TiCl3titanium(III) chloride7705-07-9titanium trichloride titanous chlorideTiCl3red-violet crystals hygroscopic154.225 g/mol2.64 g/cc425 °C (decomposes)960 °C1.4856very solublesoluble in acetone, acetonitrile, certain amines; insoluble in ether and hydrocarbonsTitanium(III) fluoride Titanium(III) bromide Titanium(III) iodideScandium(III) chloride Chromium(III) chloride
1686TiCl4titanium(IV) chloride7550-45-0TiCl4colourless fuming liquid189.71 g/mol1.726 g/cc-24.8 °C136.4 °Czeroreacts to form TiO2 and HClsoluble in ethanol-804.16 kJ/mol221.93 J K−1 mol−1Titanium(IV) fluoride Titanium(IV) bromide Titanium(IV) iodideZirconium(IV) chloride Hafnium(IV) chlorideNon-flammable8.27 x 10-4 Pa s
1687TiF2titanium(II) fluoride13814-20-5
1688TiF3titanium(III) fluoride13470-08-1titanium trifluorideTiF3Rhombohedral, hR24violet to purple-red powder104.88 g/mol3.4 g/cc1200°C1400°Csparingly soluble
1689TiF4titanium(IV) fluoride7783-63-3titanium tetrafluorideTiF4white powder hygroscopic123.861 g/mol2.798 g/cc377 °C
1690TiH2titanium(II) hydride7704-98-5Titanium(II) hydride, titanium dihydrideTiH2Fluorite (cubic), cF12dark grey powder49.883 g/mol3.75 g/cc450°C, decomposesinsoluble342 °C
1691TiI2titanium(II) iodide13783-07-8
1692TiI3titanium(III) iodide13783-08-9
1693TiI4titanium(IV) iodide7720-83-4Titanium tetraiodideTiI4tetrahedralcubic (a = 12.21 Å)red-brown crystals555.485 g/mol4.3 g/cc150 °C377 °C0 Dhydrolysis
1694TiNtitanium(III) nitride25583-20-4TiNOctahedralCubic, cF8Coating of golden color61.874 g/mol5.40 g/cc2930 °CNone
1695TiOtitanium(II) oxide12137-20-1Titanium monoxideTiOcubicbronze crystals63.866 g/mol4.95 g/cc1750 °CNon-flammable
1696TiO2titanium(IV) oxide13463-67-7Titania Rutile Anatase BrookiteTiO2White solid79.866 g/mol4.23 g/cc1843 °C2972 °C2.488 (anatase) 2.583 (brooklite) 2.609 (rutile)insolubleZirconium dioxide Hafnium dioxideNon-flammable
1697TiPtitanium(III) phosphide12037-65-9titanium monophosphideTiPhexagonalgray crystals78.841 g/mol4.08 g/cm³, solid [1]>1400°C [1]
1698TiStitanium(II) sulfide12039-07-5titanium monosulfideTiSHexagonal (NiAs), hP4brown hexagonal crystals79.933 g/mol3.85 g/cm³, solid1780°Csoluble in concentrated acids[1]
1699TiS2titanium(IV) sulfide12039-13-3
1700TiSi2titanium(IV) silicide12039-83-7Titanium silicideTiSi2black orthorhombic crystals104.038 g/mol4.02 g/cc1470°Cinsolublesoluble in HFZirconium disilicide Hafnium disilicide
1701Tl(NO3)3thallium(III) nitrate13746-98-0
1702Tl2Br4thallium(I,III) bromide13453-28-6
1703Tl2C2O4thallium(I) oxalate30737-24-7
1704Tl2CO3thallium(I) carbonate6533-73-9thallium monocarbonateTl2CO3white odorless crystals468.776 g/mol7.11 g/cc, solid272 °C27.2 g/100 mL (100 °C)
1705Tl2MoO4thallium(I) molybdate34128-09-1
1706Tl2Othallium(I) oxide1314-12-1Thallous oxideTl2ORhombohedral, hR18[1]black orthorhombic crystals hygroscopic424.07 g/mol10.45 g/cc596 °C1080 °C (decomp)solublesoluble in alcohol and acidThallium(III) oxide
1707Tl2O3thallium(III) oxide1314-32-5thallium trioxideTl2O3Cubic, cI80[1]brown-black odorless powder456.7648 g/mol10.4 g/cm³, solid (16°C) [1]717°C1080°Cinsoluble
1708Tl2Sthallium(I) sulfide1314-97-2thallous sulfide, thallous sulphideTl2STrigonal, hR81black crystalline solid440.833 g/mol8.390 g/cc448 °C1367 °C
1709Tl2Sethallium(I) selenide15572-25-5
1710Tl2SeO4thallium(I) selenate7446-22-2
1711Tl2SO4thallium(I) sulfate7446-18-6Thallous sulfateTl2SO4504.83 g/mol632 °CSoluble
1712Tl2Tethallium(I) telluride12040-13-0thallous telluride, dithallium tellurideTl2Te415 °C[1]
1713TlBrthallium(I) bromide7789-40-4Thallium monobromideTlBryellow-white crystalline solid284.29 g/mol7.557 g/cc480 °C815 °Cvery slightly solubleThallium(I) fluoride, Thallium(I) chloride, Thallium(I) iodideIndium(I) bromide, Lead(II) bromide Bismuth bromide
1714TlC2H3O2thallium(I) acetate563-68-8
1715TlC2H5Othallium(I) ethoxide20398-06-5
1716TlCHO2thallium(I) formate992-98-3
1717TlClthallium(I) chloride7791-12-0Thallous chlorideTlClwhite, odorless crystalline solid239.82 g/mol7.004 g/cc (20 °C)430 °C720 °C (decomp)0.0029 g/100 mL (15.6 °C) 2.4 g/100 mL (100 °C) [1]insoluble in alcohol, acetone, NH4OHThallium(I) fluoride Thallium(I) bromide Thallium(I) iodideThallium(III) chloride Silver(I) chloride Lead(II) chloride
1718TlCl2thallium(II) chloride15230-71-4
1719TlCl3thallium(III) chloride13453-32-2
1720TlClO3thallium(I) chlorate13453-30-0
1721TlClO4thallium(I) perchlorate13453-40-2
1722TlCNthallium(I) cyanide13453-34-4
1723TlFthallium(I) fluoride7789-27-7Thallium monofluoride, Thallous fluorideTlFOrthorhombic, oP8white orthorhombic crystals223.381 g/mol8.36 g/cc327 °C655 °C (decomp)78.6 g/100 mL (15 °C)[1]soluble in alcoholThallium(I) chloride Thallium(I) bromide Thallium(I) iodideGallium(III) fluoride Indium(III) fluoride Thallium(III) fluoridenon-flammable
1724TlF3thallium(III) fluoride7783-57-5
1725TlIthallium(I) iodide7790-30-9Thallium monoiodide Thallous iodideTlIyellow crystals red crystals above 170 °C331.29 g/mol7.29 g/cc, solid442 °C823 °CinsolubleThallium(I) fluoride Thallium(I) chloride Thallium(I) bromideGallium(I) iodide Indium(I) iodideNon-flammable
1726TlI3thallium(I) triiodide60488-29-1
1727TlIO3thallium(III) iodate14767-09-0
1728TlNO3thallium(I) nitrate10102-45-1
1729TlOHthallium(I) hydroxide12026-06-1thallous hydroxideTlOHyellow needles221.390 g/mol7.44 g/ccdecomposes at 139°C34.3 g/100g at 18°C-238.9 kJ·mol-188.0 J/molK
1730TlPF6thallium(I) hexafluorophosphate60969-19-9
1731Tm(NbO3)2thulium(II) niobate97086-52-7
1732Tm2O3thulium(III) oxide12036-44-1Thulium oxideTm2O3Cubic, cI80greenish-white cubic crystals385.866 g/mol8.6 g/cc2341°C3945°C[1]slightly soluble in acids
1733Tm2S3thulium(III) sulfide12166-30-2
1734TmBr2thulium(II) bromide64171-97-7
1735TmBr3thulium(III) bromide14456-51-0
1736TmCl2thulium(II) chloride22852-11-5
1737TmCl2-7H2Othulium(II) chloride heptahydrate13778-39-7
1738TmCl3thulium(III) chloride13537-18-3Thulium chloride, thulium trichlorideTmCl36[1]Monoclinic, mS16yellow crystals275.292 g/mol3.98 g/cm³824°C1490°C[1]heptahydrate: very solubleheptahydrate: very soluble in ethanol[2]966.6 kJ/mol[3]Thulium(III) oxideErbium(III) chloride Ytterbium(III) chloride Thulium(II) chloride
1739TmF3thulium(III) fluoride13760-79-7
1740TmI2thulium(II) iodide60864-26-8
1741TmI3thulium(III) iodide13813-43-9
1742U2O5uranium(V) oxide12065-66-6
1743U2S3uranium(II) sulfide12138-13-5
1744U3N2uranium(II) nitride12033-85-1
1745U3O8uranium(V,VI) oxide1344-59-8
1746U4O9uranium(IV,V) oxide12037-15-9
1747UBr3uranium(III) bromide13470-19-4
1748UBr4uranium(IV) bromide13470-20-7
1749UBr5uranium(V) bromide13775-16-1
1750UCuranium(IV) carbide12070-09-6UCcubic, cF8250.04 g/mol11.3 g/cc2790 °C
1751UC2uranium(VI) carbide12071-33-9
1752UCl3uranium(III) chloride10025-93-1Uranium chloride, Uranium trichlorideCl3UGreen crystalline solid344.39 g mol−15.500 g/cm³, liquid837 °C, 1110 K, 1539 °F1657 °C, 1930 K, 3015 °FSolubleNon-flammableNon-flammable
1753UCl4uranium(IV) chloride10026-10-5Uranium (IV) ChlorideUCl4Octahedral379.84 g/mol4.87 g/cc590°C791°C
1754UCl5uranium(V) chloride13470-21-8
1755UCl6uranium(VI) chloride13763-23-0
1756UF3uranium(III) fluoride13775-06-9
1757UF4uranium(IV) fluoride10049-14-6UF4Monoclinic, mS60Green crystalline solid.314.02 g/mol6.70 g/cc, solid.1036 °C1417 °CInsoluble.Uranium(IV) chloride Uranium(IV) bromide Uranium(IV) iodideThorium(IV) fluoride Protactinium(IV) fluoride Neptunium(IV) fluoride Plutonium(IV) fluorideNon-flammable
1758UF5uranium(V) fluoride13775-07-0
1759UF6uranium(VI) fluoride7783-81-5UF6octahedral (Oh)Orthorhombic, oP28colorless solid352.02 g/mol5.09 g/cc, solid64.8 °C (triple point)56.5 °C (sublimes)reactssoluble in chloroform, CCl4, liquid chlorine and bromine dissolves in nitrobenzene−2317 kJ/mol228 J K−1 mol−1Uranium hexachlorideNeptunium hexafluoride Plutonium hexafluorideNon-flammable
1760UH3uranium(III) hydride13598-56-6
1761UI3uranium(III) iodide13775-18-3
1762UI4uranium(IV) iodide13470-22-9
1763UNuranium(III) nitride25658-43-9
1764UOuranium(II) oxide13598-56-6
1765UO2uranium(IV) oxide1344-57-6Urania Uranous oxideUO2Tetrahedral (O2–); cubic (UIV)Fluorite (cubic), cF12black powder270.03 g/mol10.97 g/cc2865 °C (3140 K)insolubleNon-flammable
1766UO3uranium(VI) oxide1344-58-7Uranyl oxide Uranic oxideUO3see text286.29 g/mol5.5–8.7 g/cc~ 200–650 °C decomp.Partially solubleNon-flammable
1767USuranium(II) sulfide12039-11-1
1768USe3uranium(VI) selenide12138-23-7
1769UTe2uranium(IV) telluride12138-37-3
1770UTe3uranium(VI) telluride12040-18-5
1771V2(SO4)3vanadium(III) sulfate13701-70-7Vanadium trisulfateV2(SO4)3yellow powder390.074 g/mol400°C, decomposesslightly soluble
1772V2O3vanadium(III) oxide1314-34-7Vanadium sesquioxide, Vanadic oxideV2O3Trigonal (karelianite), hR30Black powder149.881 g/mol4.87 g/cc1940 °C
1773V2O5vanadium(V) oxide1314-62-1Vanadium pentoxide Vanadic anhydride Divanadium pentoxideV2O5Orange-yellow solid181.88 g/mol3.357 g/cc690 °C (963 K)1750 °C decomp.0.8 g/100 mL (20 °C)Vanadium oxytrichlorideNiobium(V) oxide Tantalum(V) oxideNon-flammable
1774V2S3vanadium(III) sulfide1315-03-3
1775V3Sivanadium(II) silicide12039-76-8
1776VBr2vanadium(II) bromide14890-41-6
1777VBr3vanadium(III) bromide13470-26-3Vanadium tribromideVBr3octahedralGray-brown solid290.654 g/mol4 g/cc, solidsolublesoluble in THF (forms adduct)Vanadium(III) chlorideTitanium(III) chloride
1778VBr4vanadium(IV) bromide13595-30-7
1779VCvanadium(IV) carbide12070-10-9Vanadium CarbonVCcubic, cF8refractory black cubic crystals62.953 g/mol5.77 g/cc2810 °Cinsoluble
1780VCl2vanadium(II) chloride10580-52-6Vanadous chlorideVCl2octahedralCdI2pale green solid121.847 g/mol3.230 g/cc1027 °C, 1300 K, 1881 °F1506 °C, 1779 K, 2743 °Fsolublevanadium(II) fluoride, vanadium dibromidetitanium dichloride, chromium(II) chloride
1781VCl3vanadium(III) chloride7718-98-1VCl3Trigonal, hR24violet crystals paramagnetic157.30 g/mol3.0 g/cc (20 °C)> 300 °C (decomp)solublevanadium trifluoride, vanadium(III) sulfide, vanadium tribromidetitanium trichloride, chromium(III) chloride, niobium trichloride, tantalum trichlorideNon-flammable
1782VCl4vanadium(IV) chloride7632-51-1VCl4tetrahedralbright red liquid, moisture sensitive192.75 g/mol1.816 g/cc, liquid−28 °C154 °C7.9 Pa0 Ddecomposesvanadium tetrafluoride, vanadium disulfide, vanadium tetrabromidetitanium tetrachloride, chromium tetrachloride, niobium tetrachloride, tantalum tetrachloride
1783VF2vanadium(II) fluoride13842-80-3
1784VF3vanadium(III) fluoride10049-12-4Vanadium fluoride, Vanadium trifluorideVF3Rhombohedral, hR24gray-green powder107.9367 g/mol3.363 g/cc, solid1406 °CinsolubleVanadium(III) chloride Vanadium(III) oxide Vanadium(III) nitrideVanadium(IV) fluoride
1785VF4vanadium(IV) fluoride10049-16-8vanadium tetrafluorideVF4Monoclinic, mP10lime green powder126.9351 g/mol2.975 g/cm³, solid325 °Cdecomposesdecomposes
1786VF5vanadium(V) fluoride7783-72-4
1787VHvanadium(I) hydride13966-93-3
1788VI2vanadium(II) iodide15513-84-5
1789VI3vanadium(III) iodide15513-94-7Vanadium triiodideVI3octahedralblack solid431.6549 g/mol5.14 g/cc, solidsolubleVanadium(III) bromideTitanium(III) iodide
1790VI4vanadium(IV) iodide15831-18-2
1791VNvanadium(III) nitride24646-85-3Vanadium(III) nitrideVNcubic, cF8black powder64.9482 g/mol6.13 g/cc2050 °Cvanadium(III) oxidetitanium mononitride, chromium(III) nitride, niobium(III) nitrideNon-flammable
1792VOvanadium(II) oxide12035-98-2Vanadium oxideVOOctahedral (V2+) Octahedral (O2−)Halite (cubic), cF8grey solid with metallic lustre66.9409 g/mol5.758 g/cc1789 °C2627 °C1.5763Vanadium monosulfide Vanadium monoselenide Vanadium monotellurideNiobium(II) oxide Tantalum(II) oxideNon-flammable
1793VO2vanadium(IV) oxide12036-21-4Vanadium dioxide Vanadium tetroxideVO2Distorted rutile (<70 ºC, monoclinic) Rutile (>70 ºC, tetragonal)black powder82.94 g/mol4.571 g/cc (monoclinic) 4.653 g/cc (tetragonal)1967 °CVanadium disulfide Vanadium diselenide Vanadium ditellurideNiobium(IV) oxide Tantalum(IV) oxideNon-flammable
1794VOCl3vanadium(V) oxytrichloride7727-18-6Vanadyl chloride Vanadyl trichlorideVOCl3Yellow to brown liquid173.30 g/mol1.826 g/cc, liquid-76.5 °C, 197 K, -106 °F126.7 °C, 400 K, 260 °F8.1 Pa (20 °C)Decomposes
1795VOF3vanadium(V) oxytrifluoride13709-31-4Vanadium oxyfluoride, trifluorooxovanadiumF3OVwhite solid123.9599 g/mol2.4590 g/cc300 °C480 °Cinsoluble
1796VOSO4vanadyl sulfate27774-13-6Basic vanadium(IV) sulfate Vanadium(IV) oxide sulfate Vanadium(IV) oxysulfateVOSO4Blue crystalline solid163.00 g/mol105 °C decomp.SolubleVanadyl chloride Vanadyl nitrateVanadium(III) sulfateNon-flammble
1797VS2vanadium(IV) sulfide12166-28-8
1798VSe2vanadium(IV) selenide12299-51-3
1799VSi2vanadium(IV) silicide12039-87-1
1800VTe2vanadium(IV) telluride35515-91-4
1801WBr2tungsten(II) bromide13470-10-5
1802WBr3tungsten(III) bromide15163-24-3
1803WBr4tungsten(IV) bromide14055-81-3
1804WBr5tungsten(V) bromide13470-11-6tungsten pentabromideWBr5brown-black crystals hygroscopic583.36 g/mol286°C333°C
1805WBr6tungsten(VI) bromide13701-86-5
1806WCtungsten(IV) carbide12070-12-1WCHexagonal, hP2, SpaceGroup = P-6m2, No. 187grey-black solid195.86 g·mol-115.8 g·cm-3, solid2870 °C, 5198 °F (3143 K)6000°C, 10832 °F (6273 K)Insoluble.Tungsten boride Tungsten nitrideMolybdenum carbide Titanium carbide Silicon carbide
1807WCl2tungsten(II) chloride13470-12-7
1808WCl3tungsten(III) chloride20193-56-0
1809WCl4tungsten(IV) chloride13470-13-8
1810WCl5tungsten(V) chloride13470-14-9tungsten pentachlorideWCl5black crystals hygroscopic361.1 g/mol, solid248 °C275.6 °C
1811WCl6tungsten(VI) chloride13283-01-7WCl6octahedralα:rhombohedral, β: hexagonaldark blue crystals, moisture sensitive396.61 g/mol3.52 g/cc275 °C346.7 °C0 DhydrolyzesTungsten hexafluoride Tungsten hexabromideMolybdenum(V) chloride Chromyl chloride
1812WF4tungsten(IV) fluoride13766-47-7
1813WF5tungsten(V) fluoride19357-83-6
1814WF6tungsten(VI) fluoride7783-82-6WF6Colorless gas297.83 g/mol13.1 g/L, gas2.3°C (275.45 K)17.1°C (290.25 K)zeroHydrolyzesTungsten hexachloride Tungsten hexabromideChromium(V) fluoride Molybdenum(VI) fluorideNon-flammable
1815WI2tungsten(II) iodide13470-17-2
1816WI3tungsten(III) iodide15513-69-6
1817WI4tungsten(IV) iodide14055-84-6
1818WO2tungsten(IV) oxide12036-22-5Tungsten dioxideWO2Distorted rutile, (monoclinic), mP12, Space group P21/c, No 14bronze solid215.84 g/mol10.8 g/cc1700 °C decomp.insolubleTungsten disulfideChromium(IV) oxide Molybdenum(IV) oxideNon-flammable
1819WO2Br2tungsten(VI) dioxydibromide13520-75-7
1820WO2Cl2tungsten(VI) dioxydichloride13520-76-8tungsten(VI) dioxydichlorideWO2Cl2orthorhombicyellow crystals286.75 g/mol4.67 g/cc, solid265 °C, 538 K, 509 °Fsublimes > 350 °C in vacuodecomposes
1821WO2I2tungsten(VI) dioxydiiodide14447-89-3
1822WO3tungsten(VI) oxide1314-35-8Tungstic anhydride Tungsten(VI) oxide Tungstic oxideWO3Octahedral (WVI) Trigonal planar (O2−)Monoclinic, mP32, Space group P121/c1, No 14Yellow powder231.84 g/mol7.16 g/cc1473 °C~1700 °CinsolubleTungsten trisulfideChromium trioxide Molybdenum trioxideNon-flammable
1823WOBr3tungsten(V) oxytribromide20213-56-3
1824WOBr4tungsten(VI) oxytetrabromide13520-77-9WOBr4tetragonalred crystals519.46 g/mol5.5 g/cm³, solid277°C327°Creacts
1825WOCl3tungsten(V) oxytrichloride14249-98-0
1826WOCl4tungsten(VI) oxytetrachloride13520-78-0WOCl4red crystals341.65 g/mol11.92 g/cm³, solid211 °C227.55 °Creacts
1827WOF4tungsten(VI) oxytetrafluoride13520-79-1WOF4monoclinicwhite crystals275.83 g/mol5.07 g/cm³, solid1006°C1086°Creacts
1828WS2tungsten(IV) sulfide12138-09-9Tungsten(IV) sulfide TungsteniteWS2Trigonal prismatic (WIV) Pyramidal (S2−)Molybdeniteblue-grey powder247.98 g/mol7.5 g/cc, solid1250 °C decomp.Tungsten(IV) oxideMolybdenum disulfide
1829WS3tungsten(VI) sulfide12125-19-8
1830WSe2tungsten(IV) selenide12067-46-8
1831WSi2tungsten(IV) silicide12039-88-2WSi2blue-gray tetragonal crystals240.01 g/mol9.3 g/cc2160°CinsolubleTungsten carbide Tungsten nitrideMolybdenum disilicideNon-flammable
1832WTe2tungsten(IV) telluride12067-76-4tungsten ditellurideWTe2orthorhombic, oP12gray crystals439.04 g/mol9.43 g/cc, solid1020°C
1833XeFxenon monofluoride16757-14-5
1834XeF2xenon difluoride13709-36-9XeF2parallel linear XeF2 unitsWhite solid169.30 g/mol4.32 g/cc, solid114 °C0 DDecomposesKrypton difluoride
1835XeF4xenon tetrafluoride13709-61-0XeF4D4hWhite solid207.2836 g mol−14.040 g cm−3, solid117 °C (390 K)[1]0 D−284 kJ/mol[1]? °C
1836XeF6xenon hexafluoride13693-09-9
1837XeO2F2xenon dioxydifluoride13875-06-4
1838XeO3xenon trioxide13776-58-4XeO3colourless crystalline solid179.288 g/mol4.55 g/cc, solid25 °C Violent DecompositionSoluble (with reaction)402 kJ/mol
1839XeO4xenon tetroxide12340-14-6XeO4Yellow solid below −36°C195.29 g mol−1? g cm−3, solid−35.9 °C0 °C[2]0 D+153.5 kcal mol−1 [3]? J.K−1.mol−1
1840XeOF4xenon oxytetrafluoride13774-85-1XeOF4colorless liquid223.23 g/mol3.17 g/cc, liquid-46.2°CReacts with water
1841Y(CF3SO3)3yttrium(III) trifluoromethanesulfonate52093-30-8
1842Y(CHO2)3yttrium(III) formate15331-71-2
1843Y2O3yttrium(III) oxide1314-36-9Yttria, diyttrium trioxideY2O3OctahedralCubic (bixbyite), cI80[1]White solid.Phase behaviour Solid, liquid, gas225.81 g/mol5.010 g/cm³, solid2690 °C4300 °CUV, IR, NMR, MSinsolubleScandium(III) oxide, Lanthanum(III) oxide
1844Y2S3yttrium(III) sulfide12039-19-9Yttrium sulfideY2S3cubicyellow cubic crystals274.010 g/mol3.87 g/cc1925°C
1845YAsyttrium(III) arsenide12255-48-0Yttrium arsenideYAscubic, cF8cubic crystals163.828 g/mol5.59 g/cc
1846Yb2O3ytterbium(III) oxide1314-37-0Ytterbia diytterbium trioxide.Yb2O3OctahedralCubicWhite solid.394.08 g/mol9.17 g/cc, solid.2355°C4070°CInsolubleYtterbium(III) sulfideThulium(III) oxide Lutetium(III) oxideNon-flammable.
1847Yb2S3ytterbium(III) sulfide12039-20-2
1848Yb2Se3ytterbium(III) selenide12166-52-8
1849YB6yttrium(III) boride12008-32-1
1850YbBr2ytterbium(II) bromide25502-05-0
1851YbBr3ytterbium(III) bromide13759-89-2ytterbium tribromideYbBr3Trigonal, hR24white crystalline412.77 g/mol677 °C [1]1800 °C [1]
1852YbCl2ytterbium(II) chloride13874-77-6ytterbium dichlorideYbCl2Orthorhombic, oP24green crystals243.95 g/mol5.27 g/cm³, solid721°Creacts[1]
1853YbCl3ytterbium(III) chloride10361-91-8YbCl3Monoclinic, mS16White powderPhase behaviour Solid, liquid, gas279.40 g/mol4.06 g/cc (solid)703 °C [1]1900 °C [1]UV, IR, NMR, MS0.17 g/ml (25 °C)
1854YbCl3-6H2Oytterbium(III) chloride hexahydrate19423-87-1
1855YbF2ytterbium(II) fluoride15192-18-4
1856YbF3ytterbium(III) fluoride13760-80-0Ytterbium trifluorideYbF3Orthorhombic, oP16, SpaceGroup = Pnma, No. 62white crystals230.04 g/mol8.2 g/cc1052 °C [2]2380 °C [2]insoluble
1857YbI2ytterbium(II) iodide19357-86-9
1858YbI3ytterbium(III) iodide13813-44-0
1859YBr3yttrium(III) bromide13469-98-2Yttrium tribromideYBr3Trigonal, hR24colorless hygroscopic crystals328.618 g/mol904°C83.3 g/100 mL at 30°C
1860YbSeytterbium(II) selenide12039-54-2
1861YbSi5ytterbium(V) silicide12039-89-3
1862YbTeytterbium(II) telluride12125-58-5
1863YC2yttrium(II) carbide12071-35-1
1864YCl3yttrium(III) chloride10361-92-9YCl3Monoclinic, mS16white solid195.26 g/mol2.67 g/cc721 °C1507 °C[1]82 g/100 mL60.1 g/100 mL ethanol (15°C) 60.6 g/100 mL pyridine (15°C)[2]Yttrium(III) fluoride Yttrium(III) bromide Yttrium(III) iodideScandium(III) chloride Lanthanum(III) chloride Actinium(III) chlorideNon-flammable
1865YF3yttrium(III) fluoride13709-49-4yttrium trifluorideYF3Orthorhombic, oP16, SpaceGroup = Pnma, No. 62white powder145.9 g/mol4.01 g/cc1387°C2230 °C1.51 (500 nm)insolubleYttrium(III) chloride Yttrium(III) bromide Yttrium(III) iodideScandium(III) fluoride Lanthanum(III) fluorideNon-flammable
1866YH2yttrium(II) hydride13598-35-1
1867YH3yttrium(III) hydride13598-57-7
1868YI3yttrium(III) iodide13470-38-7
1869YNyttrium(III) nitride25764-13-0
1870YPyttrium(III) phosphide12294-01-8
1871YSbyttrium(III) antimonide12186-97-9yttrium antimonideYSbcubic, cF8cubic crystals210.666 g/mol5.97 g/cc2310°C
1872YVO4yttrium(III) vanadate13566-12-6
1873Zn(AsO2)2zinc arsenite10326-24-6
1874Zn(AsO3)2zinc arsenide12006-40-5
1875Zn(C18H35O2)2zinc stearate557-05-1zinc distearateC36H70O4Znsoft, white powder632.35 g mol−11.095 g/cm³, solid120-130 °Cdecomposesinsoluble420 °C277 °C
1876Zn(C2H3O2)2zinc acetate557-34-6Acetic acid, zinc salt Zinc(II) salt Dicarbomethoxyzinc Zinc diacetateC4H10O6Zn (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 alcoholZinc chlorideCopper(II) acetate
1877Zn(C8H15O2)2zinc caprylate557-09-5
1878Zn(ClO3)2zinc chlorate10361-95-2Chloric acid, zinc saltZn(ClO3)2yellow hygroscopic crystals232.29 g/mol2.15 g/cc60°C (decomposes)200 g/100 mL (20 °C)
1879Zn(ClO4)2zinc perchlorate10025-64-6
1880Zn(CN)2zinc cyanide557-21-1potassium sulfocyanate potassium isothiocyanate potassium thiocyanideZn(CN)2off-white powder117.444 g/mol1.852 g/cc, solid800 °C (decomposes).00005 g/100 mL (20 °C)soluble in alkalies, KCN, ammonia insoluble in alcohol
1881Zn(IO3)2zinc iodate7790-37-6
1882Zn(MnO4)2zinc permanganate23414-72-4
1883Zn(NO2)2zinc nitrite10102-02-0
1884Zn(NO3)2zinc nitrate7779-88-6Zn(NO3)2colorless, deliquescent crystals189.36 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 alcoholZinc sulfate Zinc chlorideCadmium nitrate Mercury(II) nitrateNon-flammable
1885Zn(OH)2zinc hydroxide20427-58-1Zn(OH)2white powder99.424 g/mol3.053 g/cc, solid125 °C (decomposition)slightly solubleZinc oxideCadmium hydroxideNon-flammable
1886Zn(SCN)2zinc thiocyanate557-42-6
1887Zn2Fe(CN)6zinc ferrocyanide14883-46-6
1888Zn2P2O7zinc pyrophosphate7446-26-6Zn2P2O7white crystalline powder304.72 g/mol3.75 g/ccinsolublesoluble in dilute acids
1889Zn2SiO4zinc orthosilicate13597-65-4
1890Zn3(AsO4)2zinc arsenate13464-44-3
1891Zn3(BO3)2zinc borate12880-01-2
1892Zn3(PO4)2zinc phosphate7779-90-0Zn3(PO4)2monoclinicwhite crystals386.11 g/mol3.998 g/cc900 °C1.595insolubleNon-flammable
1893Zn3N2zinc nitride1313-49-1Zn3N2Cubic, cI80gray powder[1]244.15 g/mol[1]6.22 g/cm³, solid[1]insoluble (decomposes)
 
Materials and Chemical Elements

Materials and Chemical Elements
NoSymbolNameNumberTarget_purityRhoMinDensityRhoMaxUnitElectrical Cond.UnitThermal Cond.UnitMelting Point [K]Melting PointUnitBoiling PointUnitTv1P1Tv2P2TUnitPunitTWavelenMinTWavelenMaxTWavelenUnitRefractiveIndexMinRefractiveIndexRefractiveIndexMaxWavelengthWavelengthUnitYieldEnergyEnergyUnitRateRateUnitPowerPowerUnitSputteringMSDSfile
1(Al2O3)98(ZnO)2Aluminum Doped Zinc Oxide (AZO)99.955.6g/cc0.011/cm?0
2(Cr)60(SiO)40Chromium 60% - silicon monoxide 40%99.51
3(In2O3)80(SnO2)20Indium oxide 80% - tin oxide 20%99.991
4(In2O3)85-(SnO2)15Indium oxide 85% - tin oxide 15%99.991
5(In2O3)90-(SnO2)10Indium oxide 90% - tin oxide 10%99.991
6(In2O3)91-(SnO2)9Indium oxide 91 mol% - tin oxide 9 mol%99.991
7AcActinium8999.951.20E-1W/cmK13231050°C0
8AgSilver4799.99010.50g/cc6.30E+51/cm?4.29E+0W/cmK1234961°C2212°C10200.111500.01°Cmbar3.4600eV380Å/s250W/in21Silver-MSDS.pdf
9Ag2OSilver Oxide99.950Silver-Oxide-MSDS.pdf
10AlAluminum1399.9902.70g/cc3.77E+51/cm?2.37E+0W/cmK933660°C2467°C11400.112700.01°Cmbar1.2600eV170Å/s250W/in21Aluminum-MSDS.pdf
11Al-Pr-OxideAluminum Praseodymium Oxide99.9504.620g/cc0°C0.389µm1.7550nm1
12Al2O3Aluminum Oxide99.9903.960g/cc23192046°C2980°C20500.122000.01°Cmbar0.27µm1.63550nm40Å/s250W/in21Aluminum-Oxide-MSDS.pdf
13Al96Cu4Aluminum Copper 4%99.9502.70g/cc923650°C11500.1°Cmbar1
14Al98Cu2Aluminum Copper 2%99.952.82g/cc170Å/s250W/in21
15Al99Si1Aluminum Silicon 1%99.952.66g/cc160Å/s250W/in21
16AlCuAluminum Copper99.950materials
17AlCuWAluminum Copper Tungsten99.950Aluminum-Copper-Tungsten-MSDS.pdf
18AlF3Aluminum Fluoride99.9502.90g/cc15641291°C8200.18900.01°Cmbar1.4550nm1
19AlNAluminum Nitride99.81Aluminum-Nitride-MSDS.pdf
20AlSi1%AlSi2%Aluminum Silicon99.950Aluminum-2%25-Silicon-MSDS.pdf
21AlSi1Cu0.5Aluminum Silicon 1% Copper 0.5%99.950Aluminum-Silicon-Copper-MSDS.pdf
22AmAmericium9599.952.20E+41/cm?1.00E-1W/cmK1267994°C0
23ArArgon1899.951.77E-4W/cmK83.81-189.19°C0
24AsArsenic3399.953.45E+41/cm?5.02E-1W/cmK1081808°C0
25As2S3Arsen sulphur99.9503.40g/cc573300°C707°C4850.16250.01°Cmbar1
26AtAstatine8599.951.70E-2W/cmK575302°C0
27AuGold7999.99019.310g/cc4.52E+51/cm?3.17E+0W/cmK13361063°C2966°C14000.115700.01°Cmbar2.8600eV320Å/s250W/in21Gold-MSDS.pdf
28Au/Ge(88/12)Gold Germanium99.950Gold-Germanium-MSDS.pdf
29Au/Zn(99/1)Gold Zinc99.950Gold-Zinc-MSDS.pdf
30AuPdGold Palladium99.950Gold-Palladium-MSDS.pdf
31AuSnGold Tin99.950Gold-Tin-MSDS.pdf
32BBoron599.902.30g/cc1.00E-61/cm?2.74E-1W/cmK25732300°C2550°C21300.123300.01°Cmbar1Boron-MSDS.pdf
33B2O3Boron Oxide99.9502.50g/cc733460°C2247°C11800.113100.01°Cmbar1
34B4CBoron Carbide99.502.520g/cc26232350°C3500°C27500.1°Cmbar20Å/s250W/in21Boron-Carbide-MSDS.pdf
35BaBarium5699.953.00E+41/cm?1.84E-1W/cmK1002729°C0Barium-MSDS.pdf
36Ba0.5Sr0.5TiO3Barium Strontium Titanate99.950Barium-Strontium-Titanate-MSDS.pdf
37BaF2Barium Fluoride99.9 (Sr<400ppm)04.90g/cc15531280°C2260°C10900.112100.01°Cmbar0.2515µm1.3550nm1Barium-Fluoride-MSDS.pdf
38BaFe12O19Barium Ferrite99.950Barium-Ferrite-MSDS.pdf
39BaOBarium Oxide99.950Barium-Oxide-MSDS.pdf
40BaTiO3Barium Titanate99.95060g/cc18731600°C18000.1°Cmbar2.4550nm1Barium-Titanate-MSDS.pdf
41BeBeryllium499.951.85g/cc3.13E+51/cm?2.01E+0W/cmK15511278°C0.8600eV100Å/s250W/in21Beryllium-MSDS.pdf
42BeOBeryllium Oxide99.95030g/cc28032530°C4120°C22200.124000.01°Cmbar1.72550nm1
43BiBismuth8399.9998.67E+31/cm?7.87E-2W/cmK544.52271.52°C1Bismuth-MSDS.pdf
44Bi2O3Bismuth Oxide99.91Bismuth-Oxide-MSDS.pdf
45Bi4Ti3O12Bismuth Titanate99.91Bismuth-Titanium-Oxide-MSDS.pdf
46BiLaTiO3Bismuth Lanthanum Titanium Oxide99.950Bismuth-Lanthanum-Titanium-Oxide-MSDS.pdf
47BkBerkelium9799.951.00E-1W/cmK0
48BNBoron Nitride97.502.250g/cc32733000°C15700.116800.01°Cmbar20Å/s250W/in21Boron-Nitride-MSDS.pdf
49BrBromine3599.951.22E-3W/cmK265.9-7.1°C0
50CCarbon699.502.250g/cc6.10E+21/cm?1.29E+0W/cmK40003727°C4827°C23000.125200.01°Cmbar0.2600eV20Å/s250W/in21Carbon-MSDS.pdf
51CaCalcium2099.952.98E+51/cm?2.01E+0W/cmK1112839°C0
52CaF2Calcium Fluoride99.95 (Mg <500 ppm)03.20g/cc16331360°C2500°C12800.114100.01°Cmbar0.1512µm1.4550nm1Calcium-Fluoride-MSDS.pdf
53CaOCalcium Oxide99.9903.30g/cc28532580°C2850°C20700.123000.01°Cmbar1Calcium-Oxide-MSDS.pdf
54CaSiO3CaO-SiO2Calcium Silicate99.950Calcium-Silicate-MSDS.pdf
55CaTiO3Calcium Titanate99.950Calcium-Titanate-MSDS.pdf
56CdCadmium4899.908.60g/cc1.38E+51/cm?9.68E-1W/cmK594321°C765°C2650.13200.01°Cmbar1
57CdOCadmium Oxide99.950Cadmium-Oxide-MSDS.pdf
58CdSCadmium Sulfide99.9904.80g/cc20231750°C1405°C6800.17600.01°Cmbar2.5550nm1Cadmium-Sulfide-MSDS.pdf
59CdSeCadmium Selenide99.99505.80g/cc16231350°C6500.1°Cmbar0.72.5µm2.5550nm1Cadmium-Selenide-MSDS.pdf
60CdTeCadmium Telluride99.99906.20g/cc13151042°C10000.1°Cmbar0.925µm3.13000nm1Cadmium-Telluride-MSDS.pdf
61CeCerium5899.91.15E+41/cm?1.14E-1W/cmK1071798°C1Cerium-MSDS.pdf
62Ce2O3Cerium Oxide99.950Cerium-Oxide-MSDS.pdf
63CeF3Cerium fluoride99.906.20g/cc17331460°C1987°C11830.112980.01°Cmbar0.35µm1.63550nm1
64CeO2Cerium Oxide99.907.10g/cc24232150°C18250.121000.01°Cmbar0.416µm2550nm1
65CfCalifornium9899.951.00E-1W/cmK1173900°C0
66ClChlorine1799.958.90E-5W/cmK172.16-100.84°C0
67CmCurium9699.951.00E-1W/cmK13401067°C0
68CoCobalt2799.9508.90g/cc1.72E+51/cm?1.00E+0W/cmK17681495°C2900°C11600.112900.01°Cmbar1.4600eV190Å/s250W/in21Cobalt-MSDS.pdf
69CoCrCobalt Chromium99.950materials
70CoFeCobalt Iron99.950materials
71CoFeBCobalt Iron Boron99.950materials
72CoOCobalt Oxide99.950Cobalt-Oxide-MSDS.pdf
73CoSi2Cobalt Silicide99.950Cobalt-Silicide-MSDS.pdf
74CoZrCobalt Zirconium99.950Cobalt-Zirconium-MSDS.pdf
75CrChromium2499.807.20g/cc7.74E+41/cm?9.37E-1W/cmK21301857°C2482°C13800.115700.01°Cmbar1.3600eV180Å/s250W/in21Chromium-Metal-MSDS.pdf
76Cr2C3Chromium carbide99.9506.70g/cc21231850°C3800°C20000.1°Cmbar1
77Cr2O3Chromium Oxide99.805.20g/cc26182345°C4000°C19000.1°Cmbar0.68µm2.5550nm1Chromium-Oxide-MSDS.pdf
78Cr2Si2Chromium Silicide99.9505.50g/cc18331560°C1
79Cr3C2Chromium carbide99.51
80Cr3SiChromium Silicide99.51
81Crâ‚€œSiOChromium Silicon oxide99.954.85.35.8g/cc0°C16000.1°Cmbar1
82CrB2Chromium Boride99.51Chromium-Boride-MSDS.pdf
83CrSi2Chromium Silicide99.91Chromium-Silicide-MSDS.pdf
84CsCesium5599.954.89E+41/cm?3.59E-1W/cmK301.5528.55°C0
85CsFCesium Fluoride99.9504.10g/cc955682°C1251°C5200.15800.01°Cmbar1.5550nm1
86CsICesium iodide99.9991
87CuCopper2999.9908.920g/cc5.96E+51/cm?4.01E+0W/cmK13561083°C2595°C12400.114000.01°Cmbar2.3600eV320Å/s250W/in21Copper-MSDS.pdf
88Cu2OCopper dioxide99.95060g/cc15081235°C1800°C8000.1°Cmbar1
89Cu2SCopper Sulfide99.950Copper-Sulfide-MSDS.pdf
90Cu2SeCopper selenide99.51
91CuGaCopper Gallium99.950materials
92CuInCopper Indium99.950materials
93CuInGaSeCopper Indium Gallium Selenide99.950materials
94CuInSe2Copper Indium Selenide99.950materials
95CuOCopper Oxide99.71Copper-Oxide-MSDS.pdf
96DbDubnium10599.955.80E-1W/cmK0
97DyDysprosium6699.951.08E+41/cm?1.07E-1W/cmK16851412°C0Dysprosium-MSDS.pdf
98Dy2O3Dysprosium oxide99.9507.80g/cc26132340°C21300.122300.01°Cmbar1.9550nm1
99DyF3Dysprosium fluoride99.9507.50g/cc14281155°C1900°C12170.113900.01°Cmbar1.5550nm1
100ErErbium6899.951.17E+41/cm?1.43E-1W/cmK17951522°C0Erbium-MSDS.pdf
101Er2O3Erbium Oxide99.9508.60g/cc26732400°C21920.123900.01°Cmbar1.9550nm1Erbium-Oxide-MSDS.pdf
102ErF3Erbium fluoride99.9507.80g/cc14171144°C1920°C12300.113300.01°Cmbar1.5550nm1
103EsEinsteinium9999.951.00E-1W/cmK1133860°C0
104EuEuropium6399.951.12E+41/cm?1.39E-1W/cmK1095822°C0Europium-MSDS.pdf
105Eu2O3Europium oxide99.9507.40g/cc23732100°C17650.119500.01°Cmbar1.9550nm1
106EuF3Europium fluoride99.9506.70g/cc15531280°C2270°C12000.1°Cmbar1
107FFluorine999.952.79E-4W/cmK53.48-219.52°C0