Oxygen

|
8 O 15.9994 |
Atomic Number | 8 |
| Atomic Weight | 15.9994 | |
| Electron Config. | 2-2-4 |
| Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s |
| Mechanical Properties | Conditions | |||
| Phase | Temp. (K) | Pressure (Pa) | ||
| Density (O2) | 1.429 kg/m3 | Gas | 293.15 | 101325 |
| Density (O2) | 1141 kg/m3 | Liquid | 90.188 | 101325 |
| Thermal Properties | Conditions | ||
| Temp. (K) | Pressure (Pa) | ||
| Melting Temperature (O2) | 54.36 K | 101325 | |
| Boiling Temperature (O2) | 90.2 K | 101325 | |
| Critical Temperature (O2) | 154.59 K | ||
| Fusion Enthalpy (O2) | 13.8 J/g | 0 | 101325 |
| Vaporization Enthalpy (O2) | 213.13 J/g | 0 | 101325 |
| Heat Capacity (O2) | 918 J/kg-K | 298.149993896 | 100000 |














