Xenon vs Oganesson
| Property | Xe Xenon | Og Oganesson |
|---|---|---|
| Atomic number | 54 | 118 |
| Symbol | Xe | Og |
| Name | Xenon | Oganesson |
| Category | noble-gas | noble-gas |
| Standard Atomic Weight | 131.293 u | 294 u |
| Period | 5 | 7 |
| Group | 18 | 18 |
| Block | p | p |
| Phase at STP | gas | gas |
| Electron configuration | [Kr]5s24d105p6 | [Rn] 7s2 7p6 5f14 6d10(predicted) |
| Oxidation states | [0, 2, 4, 6, 8] | [-1, 0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 2.6 | N/A |
| Electron affinity | -0.8 eV | 0.056 eV |
| Density | 5.887 kg/m³ | 7000 kg/m³ |
| Melting point | -111.79 °C | -273.15 °C |
| Boiling point | -108.1 °C | -243.15 °C |
| Discovery year | 1898 | 2006 |