Input interpretation
trans-decahydronaphthalene | element types
Result
carbon | hydrogen
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| carbon | hydrogen atomic symbol | C | H atomic number | 6 | 1 short electronic configuration | [He]2s^22p^2 | 1s^1 Aufbau diagram | 2p 2s | 1s block | p | s group | 14 | 1 period | 2 | 1 atomic mass | 12.011 u | 1.008 u half-life | (stable) | (stable)
Thermodynamic properties
| carbon | hydrogen phase at STP | solid | gas melting point | 3550 °C | -259.14 °C boiling point | 4027 °C | -252.87 °C critical temperature | | 32.97 K critical pressure | | 1.293 MPa molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) adiabatic index | | 7/5 (properties at standard conditions)
Material properties
| carbon | hydrogen density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | bulk modulus | 33 GPa | refractive index | 2.417 | 1.000132 sound speed | 18350 m/s | 1270 m/s thermal expansion | 7.1×10^-6 K^(-1) | thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) (properties at standard conditions)
Electromagnetic properties
| carbon | hydrogen electrical type | conductor | resistivity | 1×10^-5 Ω m (ohm meters) | electrical conductivity | 100000 S/m (siemens per meter) | magnetic type | diamagnetic | diamagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 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) 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) work function | 5 eV (Polycrystalline) | threshold frequency | 1.209×10^15 Hz (hertz) | color | (black) | (colorless) refractive index | 2.417 | 1.000132
Reactivity
| carbon | hydrogen valence | 4 | 1 electronegativity | 2.55 | 2.2 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 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
Reactivity
Atomic properties
| carbon | hydrogen term symbol | ^3P_0 | ^2S_(1/2) atomic radius | 70 pm | 25 pm covalent radius | 76 pm | 31 pm van der Waals radius | 170 pm | 120 pm (electronic ground state properties)
Abundances
| carbon | hydrogen universe abundance | 0.5 mass% | 75 mass% solar abundance | 0.3 mass% | 75 mass% meteorite abundance | 1.5 mass% | 2.4 mass% crust abundance | 0.18 mass% | 0.15 mass% ocean abundance | 0.0028 mass% | 11 mass% human abundance | 23 mass% | 10 mass% universe molar abundance | 0.05 mol% | 93 mol% solar molar abundance | 0.03 mol% | 93 mol% meteorite molar abundance | 1.8 mol% | 17 mol% ocean molar abundance | 0.0014 mol% | 66 mol% crust molar abundance | 0.31 mol% | 3.1 mol% human molar abundance | 12 mol% | 62 mol%
Nuclear properties
| carbon | hydrogen half-life | (stable) | (stable) stable isotopes | C-12 (98.89%) | C-13 (1.11%) | H-1 (99.985%) | H-2 (1.5×10^-4) 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^+ | H-1: 1/2^+ | H-2: 1^+ | H-3: 1/2^+ | H-4: 2^- | H-5: 1/2^+ | H-6: 2^- | H-7: 1/2^+ 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) | H-3 (12.32 yr) | H-6 (0.29 zs) | H-4 (0.139 zs) | H-5 (0.08 zs) | H-7 (0.023 zs) neutron cross-section | 0.0035 b | 0.332 b neutron mass absorption | 1.5×10^-5 m^2/kg | 0.011 m^2/kg
Identifiers
| carbon | hydrogen CAS number | 7440-44-0 | 1333-74-0 PubChem CID number | | 783