element types of thorium dicarbide

thorium dicarbide | element types

carbon | thorium

Periodic table location

Images

| carbon | thorium atomic symbol | C | Th atomic number | 6 | 90 short electronic configuration | [He]2s^22p^2 | [Rn]7s^26d^2 Aufbau diagram | 2p 2s | 6d 7s block | p | f group | 14 | period | 2 | 7 atomic mass | 12.011 u | 232.0377 u half-life | (stable) | 14.06 Gyr

| carbon | thorium phase at STP | solid | solid melting point | 3550 °C | 1750 °C boiling point | 4027 °C | 4820 °C molar heat of fusion | 105 kJ/mol | 16 kJ/mol molar heat of vaporization | 715 kJ/mol | 530 kJ/mol specific heat at STP | 710 J/(kg K) | 118 J/(kg K) (properties at standard conditions)

| carbon | thorium density | 2.26 g/cm^3 | 11.724 g/cm^3 molar volume | 5.315 cm^3/mol | 19.792 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | 3 (≈ calcite) Vickers hardness | | 350 MPa Brinell hardness | | 400 MPa bulk modulus | 33 GPa | 54 GPa shear modulus | | 31 GPa Young's modulus | | 79 GPa Poisson ratio | | 0.27 tensile yield strength | | 144 MPa ultimate tensile strength | | 219 MPa refractive index | 2.417 | (unknown) sound speed | 18350 m/s | 2490 m/s thermal expansion | 7.1×10^-6 K^(-1) | 1.1×10^-5 K^(-1) thermal conductivity | 140 W/(m K) | 54 W/(m K) (properties at standard conditions)

| carbon | thorium electrical type | conductor | conductor resistivity | 1×10^-5 Ω m (ohm meters) | 1.5×10^-7 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | 6.7×10^6 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic volume magnetic susceptibility | -1.4×10^-5 | 8.4×10^-5 mass magnetic susceptibility | -6.2×10^-9 m^3/kg (cubic meters per kilogram) | 7.2×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -7.45×10^-11 m^3/mol (cubic meters per mole) | 1.7×10^-9 m^3/mol (cubic meters per mole) work function | 5 eV (Polycrystalline) | 3.4 eV (Polycrystalline) threshold frequency | 1.209×10^15 Hz (hertz) | 8.221×10^14 Hz (hertz) superconducting point | | 1.38 K (kelvins) color | (black) | (silver) refractive index | 2.417 | (unknown)

| carbon | thorium valence | 4 | 4 electronegativity | 2.55 | 1.3 electron affinity | 153.9 kJ/mol (kilojoules per mole) | (unknown) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 587 kJ/mol (kilojoules per mole) ionization energies | 1086.5 kJ/mol | 2352.6 kJ/mol | 4620.5 kJ/mol | 6222.7 kJ/mol | 37831 kJ/mol | 47277 kJ/mol | 587 kJ/mol | 1110 kJ/mol | 1930 kJ/mol | 2780 kJ/mol

Reactivity

| carbon | thorium term symbol | ^3P_0 | ^3F_2 atomic radius | 70 pm | 180 pm covalent radius | 76 pm | 206 pm van der Waals radius | 170 pm | (unknown) (electronic ground state properties)

| carbon | thorium universe abundance | 0.5 mass% | 4×10^-8 mass% solar abundance | 0.3 mass% | 3×10^-8 mass% meteorite abundance | 1.5 mass% | 3.9×10^-6 mass% crust abundance | 0.18 mass% | 6×10^-4 mass% ocean abundance | 0.0028 mass% | 4×10^-12 mass% human abundance | 23 mass% | 0 mass% universe molar abundance | 0.05 mol% | 2×10^-10 mol% solar molar abundance | 0.03 mol% | 2×10^-10 mol% meteorite molar abundance | 1.8 mol% | 3×10^-7 mol% ocean molar abundance | 0.0014 mol% | 1.1×10^-6 mol% crust molar abundance | 0.31 mol% | 5.4×10^-5 mol% human molar abundance | 12 mol% | 0 mol%

| carbon | thorium half-life | (stable) | 14.06 Gyr specific radioactivity | | 4.057 kBq/g decay mode | | alpha emission stable isotopes | C-12 (98.89%) | C-13 (1.11%) | Th-232 (100%) nuclear spin | C-8: 0^+ | C-9: 3/2^- | C-10: 0^+ | C-11: 3/2^- | C-12: 0^+ | C-13: 1/2^- | C-14: 0^+ | C-15: 1/2^+ | C-16: 0^+ | C-17: 3/2^+ | C-18: 0^+ | C-19: 1/2^+ | C-20: 0^+ | C-21: 1/2^+ | C-22: 0^+ | Th-209: 5/2^- | Th-210: 0^+ | Th-211: 5/2^- | Th-212: 0^+ | Th-213: 5/2^- | Th-214: 0^+ | Th-215: 1/2^- | Th-216: 0^+ | Th-217: 9/2^+ | Th-218: 0^+ | Th-219: 9/2^+ | Th-220: 0^+ | Th-221: 7/2^+ | Th-222: 0^+ | Th-223: 5/2^+ | Th-224: 0^+ | Th-225: 3/2^+ | Th-226: 0^+ | Th-227: 1/2^+ | Th-228: 0^+ | Th-229: 5/2^+ | Th-230: 0^+ | Th-231: 5/2^+ | Th-232: 0^+ | Th-233: 1/2^+ | Th-234: 0^+ | Th-235: 1/2^+ | Th-236: 0^+ | Th-237: 5/2^+ | Th-238: 0^+ unstable isotopes | C-14 (5700 yr) | C-11 (20.334 min) | C-10 (19.29 s) | C-15 (2.449 s) | C-16 (747 ms) | C-17 (193 ms) | C-9 (126.5 ms) | C-18 (92 ms) | C-19 (49 ms) | C-20 (14 ms) | C-22 (6.2 ms) | C-21 (30 ns) | C-8 (2 zs) | Th-230 (75440 yr) | Th-229 (7880 yr) | Th-228 (1.9116 yr) | Th-234 (24.1 days) | Th-227 (18.68 days) | Th-231 (25.519 h) | Th-236 (37.3 min) | Th-226 (30.57 min) | Th-233 (21.83 min) | Th-238 (9.33 min) | Th-225 (8.72 min) | Th-235 (7.17 min) | Th-237 (4.7 min) | Th-215 (1.2 s) | Th-224 (810 ms) | Th-223 (600 ms) | Th-213 (144 ms) | Th-214 (100 ms) | Th-211 (40 ms) | Th-212 (30 ms) | Th-216 (26 ms) | Th-210 (9 ms) | Th-209 (3.8 ms) | Th-222 (2.237 ms) | Th-221 (1.68 ms) | Th-217 (241 µs) | Th-220 (9.7 µs) | Th-219 (1.05 µs) | Th-218 (117 ns) neutron cross-section | 0.0035 b | 7.4 b neutron mass absorption | 1.5×10^-5 m^2/kg | 0.001 m^2/kg

| carbon | thorium CAS number | 7440-44-0 | 7440-29-1 PubChem CID number | | 23960 Gmelin number | | 16314