| name | Oxygen |
| latin | Oxygenium |
| french | Oxygéne |
| german | Sauerstoff |
| symbol | O |
| proton number | 8 |
| atomic weight | 15.9994 |
| Pauling electronegativity | 3.44 |
| electronic configuration | [He] 2s22p4 1s22s22p4 |
| melting point | 54.8 K, -218.35°C, -361.03°F |
| boiling point | 90.2 K, -182.95°C, -297.31°F |
| group | 16 |
| period | 2 |
| state (by 20°C) | gas |
| oxidation states | -2 |
| Year of discovery | Discoverer |
| 1774 | Joseph Priestley (1733-1804) |