Oxygen vs Nihonium
| Property | O Oxygen | Nh Nihonium |
|---|---|---|
| Atomic number | 8 | 113 |
| Symbol | O | Nh |
| Name | Oxygen | Nihonium |
| Category | nonmetal | post-transition-metal |
| Standard Atomic Weight | 15.9994 u | 286 u |
| Period | 2 | 7 |
| Group | 16 | 13 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p4 | [Rn] 5f14 6d10 7s2 7p1(predicted) |
| Oxidation states | [-2, -1, 0, 1, 2] | N/A |
| Electronegativity (Pauling) | 3.44 | N/A |
| Electron affinity | 1.4611 eV | 0.6 eV |
| Density | 1.429 kg/m³ | 1.600000e+4 kg/m³ |
| Melting point | -218.79 °C | 426.85 °C |
| Boiling point | -182.95 °C | 1156.85 °C |
| Discovery year | 1771 | 2004 |