Carbon |
| Symbol | C |
|---|---|
| Latin name | Carboneum |
| Atomic number | 6 |
| Period | 2 |
| Element category | Nonmetals |
| Relative atomic mass | 12.011 |
| Group | IV.A |
| Electronegativity | 2.5 |
| Oxidation numbers | -4, 2, 4 |
| Electron configuration | 1s2 2s2 2p2 |
| Density [g/cm3] | 3.515 |
| State | Solid |
| Melting point [°C] | 3550 |
| Boiling point [°C] | 4827 |
| Atomic radius [pm] | 67 |
| Covalent radius [pm] | 77 |
| Thermal conductivity [W m-1K-1] | 155 |
| Heat capacity [J K-1g-1] | 0.709 |
| Hardness [Mohs scale] | 10 |
| Electrical conductivity [S m-1] | 1 · 105 |
| 1.st ionization energy [eV] | 11.2603 |
| 2.nd ionization energy [eV] | 24.383 |
| 3.rd ionization energy [eV] | 47.887 |
| Stable isotopes | 2 |
| Unstable isotopes | 5 |