| Oxygen | |
| Elemental State | O2 |
| Electron Configuration | 1s22s22p4 |
| First Ionization Potential | 13.618 eV |
| Electron Affinity | 1.461 eV |
| Z* | 4.453 (Clementi-Raimondi) |
| Pauling Electronegativity | 3.44 |
| Covalent Radius | 0.73 Å single bond |
| Metallic Radius | |
| Ionic Radius | 1.21 Å O2– coordination number
= 2
1.22 Å O2– coordination number = 3 1.24 Å O2– coordination number = 4 1.26 Å O2– coordination number = 6 1.28 Å O2– coordination number = 8 |
| van der Waal's Radius | 1.52 Å |
| Melting Point | –218.79 oC (triple point) |
| Boiling Point | –182.95 oC |
| Density | |
| Other Properties | |