element types of calcium carbide

calcium carbide | element types

carbon | calcium

Periodic table location

Images

| carbon | calcium atomic symbol | C | Ca atomic number | 6 | 20 short electronic configuration | [He]2s^22p^2 | [Ar]4s^2 Aufbau diagram | 2p 2s | 4s block | p | s group | 14 | 2 period | 2 | 4 atomic mass | 12.011 u | 40.078 u half-life | (stable) | (stable)

| carbon | calcium phase at STP | solid | solid melting point | 3550 °C | 842 °C boiling point | 4027 °C | 1484 °C molar heat of fusion | 105 kJ/mol | 8.54 kJ/mol molar heat of vaporization | 715 kJ/mol | 155 kJ/mol specific heat at STP | 710 J/(kg K) | 631 J/(kg K) (properties at standard conditions)

| carbon | calcium density | 2.26 g/cm^3 | 1.55 g/cm^3 liquid density | | 1.378 g/cm^3 molar volume | 5.315 cm^3/mol | 25.86 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | 1.75 (between gypsum and talc) Brinell hardness | | 167 MPa bulk modulus | 33 GPa | 17 GPa shear modulus | | 7.4 GPa Young's modulus | | 20 GPa Poisson ratio | | 0.31 refractive index | 2.417 | sound speed | 18350 m/s | 3810 m/s thermal expansion | 7.1×10^-6 K^(-1) | 2.23×10^-5 K^(-1) thermal conductivity | 140 W/(m K) | 200 W/(m K) (properties at standard conditions)

| carbon | calcium electrical type | conductor | conductor resistivity | 1×10^-5 Ω m (ohm meters) | 3.4×10^-8 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | 2.9×10^7 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic volume magnetic susceptibility | -1.4×10^-5 | 2.139×10^-5 mass magnetic susceptibility | -6.2×10^-9 m^3/kg (cubic meters per kilogram) | 1.38×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -7.45×10^-11 m^3/mol (cubic meters per mole) | 5.531×10^-10 m^3/mol (cubic meters per mole) work function | 5 eV (Polycrystalline) | 2.87 eV (Polycrystalline) threshold frequency | 1.209×10^15 Hz (hertz) | 6.94×10^14 Hz (hertz) color | (black) | (silver) refractive index | 2.417 |

| carbon | calcium valence | 4 | 2 electronegativity | 2.55 | 1 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 2.37 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 589.8 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 | 589.8 kJ/mol | 1145.4 kJ/mol | 4912.4 kJ/mol | 6491 kJ/mol | 8153 kJ/mol | 10496 kJ/mol | 12270 kJ/mol | 14206 kJ/mol | 18191 kJ/mol | 20385 kJ/mol | 57110 kJ/mol

Reactivity

| carbon | calcium term symbol | ^3P_0 | ^1S_0 atomic radius | 70 pm | 180 pm covalent radius | 76 pm | 176 pm van der Waals radius | 170 pm | (electronic ground state properties)

| carbon | calcium universe abundance | 0.5 mass% | 0.007 mass% solar abundance | 0.3 mass% | 0.007 mass% meteorite abundance | 1.5 mass% | 1.1 mass% crust abundance | 0.18 mass% | 5 mass% ocean abundance | 0.0028 mass% | 4.2×10^-4 mass% human abundance | 23 mass% | 1.4 mass% universe molar abundance | 0.05 mol% | 2×10^-4 mol% solar molar abundance | 0.03 mol% | 2×10^-4 mol% meteorite molar abundance | 1.8 mol% | 0.52 mol% ocean molar abundance | 0.0014 mol% | 6.5×10^-5 mol% crust molar abundance | 0.31 mol% | 2.6 mol% human molar abundance | 12 mol% | 0.22 mol%

| carbon | calcium half-life | (stable) | (stable) stable isotopes | C-12 (98.89%) | C-13 (1.11%) | Ca-40 (96.94%) | Ca-44 (2.09%) | Ca-42 (0.647%) | Ca-43 (0.135%) | Ca-46 (4×10^-5) 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^+ | Ca-34: 0^+ | Ca-35: 1/2^+ | Ca-36: 0^+ | Ca-37: 3/2^+ | Ca-38: 0^+ | Ca-39: 3/2^+ | Ca-40: 0^+ | Ca-41: 7/2^- | Ca-42: 0^+ | Ca-43: 7/2^- | Ca-44: 0^+ | Ca-45: 7/2^- | Ca-46: 0^+ | Ca-47: 7/2^- | Ca-48: 0^+ | Ca-49: 3/2^- | Ca-50: 0^+ | Ca-51: 3/2^- | Ca-52: 0^+ | Ca-54: 0^+ | Ca-55: 5/2^- | Ca-56: 0^+ | Ca-57: 5/2^- 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) | Ca-48 (1.9×10^19 yr) | Ca-41 (0.102 Myr) | Ca-45 (162.61 days) | Ca-47 (108.9 h) | Ca-49 (8.718 min) | Ca-50 (13.9 s) | Ca-51 (10 s) | Ca-52 (4.6 s) | Ca-39 (859.6 ms) | Ca-38 (440 ms) | Ca-37 (181.1 ms) | Ca-36 (102 ms) | Ca-53 (90 ms) | Ca-55 (30 ms) | Ca-35 (25.7 ms) | Ca-56 (10 ms) | Ca-57 (5 ms) | Ca-54 (300 ns) | Ca-34 (35 ns) neutron cross-section | 0.0035 b | 0.43 b neutron mass absorption | 1.5×10^-5 m^2/kg | 3.7×10^-4 m^2/kg

| carbon | calcium CAS number | 7440-44-0 | 7440-70-2 PubChem CID number | | 5460341