Copernicium vs Oganesson
| Property | Cn Copernicium | Og Oganesson |
|---|---|---|
| Atomic number | 112 | 118 |
| Symbol | Cn | Og |
| Name | Copernicium | Oganesson |
| Category | transition-metal | noble-gas |
| Standard Atomic Weight | 285 u | 294 u |
| Period | 7 | 7 |
| Group | 12 | 18 |
| Block | s | p |
| Phase at STP | gas | gas |
| Electron configuration | [Rn] 7s2 5f14 6d10(predicted) | [Rn] 7s2 7p6 5f14 6d10(predicted) |
| Oxidation states | [2, 4] | [-1, 0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | N/A | N/A |
| Electron affinity | -0.8 eV | 0.056 eV |
| Density | 1.400000e+4 kg/m³ | 7000 kg/m³ |
| Melting point | -273.15 °C | -273.15 °C |
| Boiling point | -165.15 °C | -243.15 °C |
| Discovery year | 1996 | 2006 |