Input interpretation
carbon (chemical element) | hydrogen (chemical element) | nickel (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| carbon | hydrogen | nickel atomic symbol | C | H | Ni atomic number | 6 | 1 | 28 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Ar]4s^23d^8 Aufbau diagram | 2p 2s | 1s | 3d 4s block | p | s | d group | 14 | 1 | 10 period | 2 | 1 | 4 atomic mass | 12.011 u | 1.008 u | 58.6934 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
| carbon | hydrogen | nickel phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | 1455 °C boiling point | 4027 °C | -252.87 °C | 2913 °C critical temperature | | 32.97 K | critical pressure | | 1.293 MPa | molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 17.2 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 378 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 445 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)
Material properties
| carbon | hydrogen | nickel density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 8.908 g/cm^3 liquid density | | | 7.81 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 6.589 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | 4 (≈ fluorite) Vickers hardness | | | 638 MPa Brinell hardness | | | 700 MPa bulk modulus | 33 GPa | | 180 GPa shear modulus | | | 76 GPa Young's modulus | | | 200 GPa Poisson ratio | | | 0.31 tensile yield strength | | | 59 MPa ultimate tensile strength | | | 317 MPa refractive index | 2.417 | 1.000132 | sound speed | 18350 m/s | 1270 m/s | 4970 m/s thermal expansion | 7.1×10^-6 K^(-1) | | 1.34×10^-5 K^(-1) thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 91 W/(m K) (properties at standard conditions)
Electromagnetic properties
| carbon | hydrogen | nickel electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 7×10^-8 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 1.4×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | ferromagnetic 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) | Curie point | | | 631 K (kelvins) work function | 5 eV (Polycrystalline) | | (5.04 to 5.35) eV threshold frequency | 1.209×10^15 Hz (hertz) | | (1.219×10^15 to 1.294×10^15) Hz (hertz) color | (black) | (colorless) | (gray) refractive index | 2.417 | 1.000132 |
Reactivity
| carbon | hydrogen | nickel valence | 4 | 1 | 2 electronegativity | 2.55 | 2.2 | 1.91 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 112 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 737.1 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 | 737.1 kJ/mol | 1753 kJ/mol | 3395 kJ/mol | 5300 kJ/mol | 7339 kJ/mol | 10400 kJ/mol | 12800 kJ/mol | 15600 kJ/mol | 18600 kJ/mol | 21670 kJ/mol | 30970 kJ/mol | 34000 kJ/mol | 37100 kJ/mol | 41500 kJ/mol | 44800 kJ/mol | 48100 kJ/mol | 55101 kJ/mol | 58570 kJ/mol | 148700 kJ/mol | 159000 kJ/mol | 169400 kJ/mol
Reactivity
Atomic properties
| carbon | hydrogen | nickel term symbol | ^3P_0 | ^2S_(1/2) | ^3F_4 atomic radius | 70 pm | 25 pm | 135 pm covalent radius | 76 pm | 31 pm | 124 pm van der Waals radius | 170 pm | 120 pm | 163 pm (electronic ground state properties)
Abundances
| carbon | hydrogen | nickel universe abundance | 0.5 mass% | 75 mass% | 0.006 mass% solar abundance | 0.3 mass% | 75 mass% | 0.008 mass% meteorite abundance | 1.5 mass% | 2.4 mass% | 1.3 mass% crust abundance | 0.18 mass% | 0.15 mass% | 0.0089 mass% ocean abundance | 0.0028 mass% | 11 mass% | 2×10^-7 mass% human abundance | 23 mass% | 10 mass% | 1×10^-5 mass% universe molar abundance | 0.05 mol% | 93 mol% | 1×10^-4 mol% solar molar abundance | 0.03 mol% | 93 mol% | 2×10^-4 mol% meteorite molar abundance | 1.8 mol% | 17 mol% | 0.44 mol% ocean molar abundance | 0.0014 mol% | 66 mol% | 2.1×10^-8 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 0.0032 mol% human molar abundance | 12 mol% | 62 mol% | 1.1×10^-6 mol%