| Atomic number | : | 4 |
| Atomic mass | : | .9.01218 g.mol-1 |
| Electronegativity according to Pauling | : | 1.5 |
| Density | : | 1.86 g.cm-3 |
| Melting point | : | 1280 °C |
| Boiling point | : | 2970 °C |
| Vanderwaals radius | : | unknown |
| Ionic radius | : | unknown |
| Isotopes | : | 1 |
| Electronic shell | : | 1s2 2s2 or [He] 2s2 |
| Energy of first ionisation | : | 899.2 kJ.mol-1 |
| Energy of second ionisation | : | 1757 kJ.mol-1 |
| Standard potential | : | - 1.70 V |
| Discovered by | : | Abbé René-Just Hauy in 1798 |
Periodic Table of Elements
