Lithium vs Oganesson
| Property | Li Lithium | Og Oganesson |
|---|---|---|
| Atomic number | 3 | 118 |
| Symbol | Li | Og |
| Name | Lithium | Oganesson |
| Category | alkali-metal | noble-gas |
| Standard Atomic Weight | 6.9675 u | 294 u |
| Period | 2 | 7 |
| Group | 1 | 18 |
| Block | s | p |
| Phase at STP | solid | gas |
| Electron configuration | [He]2s1 | [Rn] 7s2 7p6 5f14 6d10(predicted) |
| Oxidation states | [1] | [-1, 0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 0.98 | N/A |
| Electron affinity | 0.61804 eV | 0.056 eV |
| Density | 534 kg/m³ | 7000 kg/m³ |
| Melting point | 180.5 °C | -273.15 °C |
| Boiling point | 1341.85 °C | -243.15 °C |
| Discovery year | 1817 | 2006 |