Input interpretation
carbon (chemical element) | hydrogen (chemical element) | molybdenum (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| carbon | hydrogen | molybdenum atomic symbol | C | H | Mo atomic number | 6 | 1 | 42 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Kr]5s^14d^5 Aufbau diagram | 2p 2s | 1s | 4d 5s block | p | s | d group | 14 | 1 | 6 period | 2 | 1 | 5 atomic mass | 12.011 u | 1.008 u | 95.95 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
| carbon | hydrogen | molybdenum phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | 2623 °C boiling point | 4027 °C | -252.87 °C | 4639 °C critical temperature | | 32.97 K | critical pressure | | 1.293 MPa | molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 36 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 600 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 251 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)
Material properties
| carbon | hydrogen | molybdenum density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 10.28 g/cm^3 liquid density | | | 9.33 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 9.33 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | 5.5 (between apatite and microcline) Vickers hardness | | | 1530 MPa Brinell hardness | | | 1500 MPa bulk modulus | 33 GPa | | 230 GPa shear modulus | | | 20 GPa Young's modulus | | | 329 GPa Poisson ratio | | | 0.31 refractive index | 2.417 | 1.000132 | sound speed | 18350 m/s | 1270 m/s | 6190 m/s thermal expansion | 7.1×10^-6 K^(-1) | | 4.8×10^-6 K^(-1) thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 139 W/(m K) (properties at standard conditions)
Electromagnetic properties
| carbon | hydrogen | molybdenum electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 5×10^-8 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 2×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 | 1.203×10^-4 mass magnetic susceptibility | -6.2×10^-9 m^3/kg (cubic meters per kilogram) | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | 1.17×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -7.45×10^-11 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) | 1.122×10^-9 m^3/mol (cubic meters per mole) work function | 5 eV (Polycrystalline) | | (4.36 to 4.95) eV threshold frequency | 1.209×10^15 Hz (hertz) | | (1.054×10^15 to 1.197×10^15) Hz (hertz) superconducting point | | | 0.915 K (kelvins) color | (black) | (colorless) | (gray) refractive index | 2.417 | 1.000132 |
Reactivity
| carbon | hydrogen | molybdenum valence | 4 | 1 | 6 electronegativity | 2.55 | 2.2 | 2.16 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 71.9 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 684.3 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 | 1312 kJ/mol | 684.3 kJ/mol | 1560 kJ/mol | 2618 kJ/mol | 4480 kJ/mol | 5257 kJ/mol | 6640.8 kJ/mol | 12125 kJ/mol | 13860 kJ/mol | 15835 kJ/mol | 17980 kJ/mol | 20190 kJ/mol | 22219 kJ/mol | 26930 kJ/mol | 29196 kJ/mol | 52490 kJ/mol | 55000 kJ/mol | 61400 kJ/mol | 67700 kJ/mol | 74000 kJ/mol | 80400 kJ/mol | 87000 kJ/mol
Reactivity
Atomic properties
| carbon | hydrogen | molybdenum term symbol | ^3P_0 | ^2S_(1/2) | ^7S_3 atomic radius | 70 pm | 25 pm | 145 pm covalent radius | 76 pm | 31 pm | 154 pm van der Waals radius | 170 pm | 120 pm | (electronic ground state properties)
Abundances
| carbon | hydrogen | molybdenum universe abundance | 0.5 mass% | 75 mass% | 5×10^-7 mass% solar abundance | 0.3 mass% | 75 mass% | 9×10^-7 mass% meteorite abundance | 1.5 mass% | 2.4 mass% | 1.2×10^-4 mass% crust abundance | 0.18 mass% | 0.15 mass% | 1.1×10^-4 mass% ocean abundance | 0.0028 mass% | 11 mass% | 1×10^-6 mass% human abundance | 23 mass% | 10 mass% | 1×10^-5 mass% universe molar abundance | 0.05 mol% | 93 mol% | 1×10^-8 mol% solar molar abundance | 0.03 mol% | 93 mol% | 9.9×10^-9 mol% meteorite molar abundance | 1.8 mol% | 17 mol% | 2.5×10^-5 mol% ocean molar abundance | 0.0014 mol% | 66 mol% | 6.4×10^-8 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 2.3×10^-5 mol% human molar abundance | 12 mol% | 62 mol% | 7×10^-7 mol%