Mercury vs Oganesson
| Property | Hg Mercury | Og Oganesson |
|---|---|---|
| Atomic number | 80 | 118 |
| Symbol | Hg | Og |
| Name | Mercury | Oganesson |
| Category | transition-metal | noble-gas |
| Standard Atomic Weight | 200.592 u | 294 u |
| Period | 6 | 7 |
| Group | 12 | 18 |
| Block | s | p |
| Phase at STP | liquid | gas |
| Electron configuration | [Xe]6s24f145d10 | [Rn] 7s2 7p6 5f14 6d10(predicted) |
| Oxidation states | [-2, 1, 2] | [-1, 0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 2 | N/A |
| Electron affinity | -0.5 eV | 0.056 eV |
| Density | 1.353360e+4 kg/m³ | 7000 kg/m³ |
| Melting point | -38.83 °C | -273.15 °C |
| Boiling point | 356.73 °C | -243.15 °C |
| Discovery year | N/A | 2006 |