| Platinum ✕ | |
|---|---|
| Symbol | Pt |
| Atomic number | 78 |
| Chemical property | Transition metal |
| Origin o the name | the Spanish platina, meaning 'little silver' |
| Group | 10 |
| Period | 6 |
| Atomic weight (u) | 195.084 |
| Atomic weight uncertainty (u) | 0.009 |
| Density (g/cm³) | 21.46 |
| Melting point (K) | 2041.4 |
| Boiling point (K) | 4098 |
| Heat capacity (J/(g·K)) | 0.133 |
| Electro-negativity | 2.28 |
| Abundance in earth's crust (mg/kg) | 0.005 |