| Atomic number | : | 8 |
| Atomic mass | : | 15.999 g.mol-1 |
| Electronegativity according to Pauling | : | 3.5 |
| Density | : | 1.429 kg/m3 at 20 °C |
| Melting point | : | -219 °C |
| Boiling point | : | -183 °C |
| Vanderwaals radius | : | 0.074 nm |
| Ionic radius | : | 0.14 nm (-2) |
| Isotopes | : | 4 |
| Electronic shell | : | [He] 2s22p4 |
| Energy of first ionisation | : | 1314 kJ.mol-1 |
| Energy of second ionisation | : | 3388 kJ.mol-1 |
| Energy of third ionisation | : | 5300 kJ.mol-1 |
| Discovered by | : | Joseph Priestly in 1774 |
Periodic Table of Elements
