Oxygen
Electron Configuration
|
General Properties
| Atomic Symbol | O |
| Atomic Weight | 15.9994 g/mol |
| Element Number | 8 |
| Standard State | Gas |
| Standard Type | Neutral |
| Date of Discovery | 1774 |
| Discoverer | Scheele & Priestley |
Physical Properties
| Oxidation States | -2 |
| Boiling Point | 90.188 K |
| Melting Point | 54.8 K |
| Density | 1.429 (Gas 273K g/l) |
| Electron Configuration | 1s2,2s2,p4 |
| Acid/Base Properties | -- |
| Crystal Structure | Cubic |
| Electronegativity | 3.44 |
| Heat of Vaporization | 3.4109 kJ/mol |
| Heat of Fusion | 0.222 kJ/mol |
| Electrical Conductivity | -- |
| Thermal Conductivity | 0.2674 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 0.92 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 13.618 |
| Atomic Volume | 14.0 cm³/mol |
| Atomic Radius | 0.65 Å |
| Covalent Radius | 0.73 Å |
| Synthetic | No |