Platinum vs Mercury
| Property | Pt Platinum | Hg Mercury |
|---|---|---|
| Atomic number | 78 | 80 |
| Symbol | Pt | Hg |
| Name | Platinum | Mercury |
| Category | transition-metal | transition-metal |
| Standard Atomic Weight | 195.084 u | 200.592 u |
| Period | 6 | 6 |
| Group | 10 | 12 |
| Block | s | s |
| Phase at STP | solid | liquid |
| Electron configuration | [Xe]6s14f145d9 | [Xe]6s24f145d10 |
| Oxidation states | [-3, -2, -1, 0, 1, 2, 3, 4, 5, 6] | [-2, 1, 2] |
| Electronegativity (Pauling) | 2.28 | 2 |
| Electron affinity | 2.1228 eV | -0.5 eV |
| Density | 2.146000e+4 kg/m³ | 1.353360e+4 kg/m³ |
| Melting point | 1768.4 °C | -38.83 °C |
| Boiling point | 3824.85 °C | 356.73 °C |
| Discovery year | 1735 | N/A |