| Osmium ✕ | |
|---|---|
| Symbol | Os |
| Atomic number | 76 |
| Chemical property | Transition metal |
| Origin o the name | the Greek osmè, meaning 'smell' |
| Group | 8 |
| Period | 6 |
| Atomic weight (u) | 190.23 |
| Atomic weight uncertainty (u) | 0.03 |
| Density (g/cm³) | 22.61 |
| Melting point (K) | 3306 |
| Boiling point (K) | 5285 |
| Heat capacity (J/(g·K)) | 0.13 |
| Electro-negativity | 2.2 |
| Abundance in earth's crust (mg/kg) | 0.002 |