Mercury vs Polonium
| Property | Hg Mercury | Po Polonium |
|---|---|---|
| Atomic number | 80 | 84 |
| Symbol | Hg | Po |
| Name | Mercury | Polonium |
| Category | transition-metal | metalloid |
| Standard Atomic Weight | 200.592 u | 209 u |
| Period | 6 | 6 |
| Group | 12 | 16 |
| Block | s | p |
| Phase at STP | liquid | solid |
| Electron configuration | [Xe]6s24f145d10 | [Xe]6s24f145d106p4 |
| Oxidation states | [-2, 1, 2] | [-2, 2, 4, 5, 6] |
| Electronegativity (Pauling) | 2 | 2 |
| Electron affinity | -0.5 eV | 1.9 eV |
| Density | 1.353360e+4 kg/m³ | 9320 kg/m³ |
| Melting point | -38.83 °C | 253.85 °C |
| Boiling point | 356.73 °C | 961.85 °C |
| Discovery year | N/A | 1898 |