Oxygen vs Flerovium
| Property | O Oxygen | Fl Flerovium |
|---|---|---|
| Atomic number | 8 | 114 |
| Symbol | O | Fl |
| Name | Oxygen | Flerovium |
| Category | nonmetal | post-transition-metal |
| Standard Atomic Weight | 15.9994 u | 289 u |
| Period | 2 | 7 |
| Group | 16 | 14 |
| Block | p | p |
| Phase at STP | gas | gas |
| Electron configuration | [He]2s22p4 | [Rn] 7s27p2 5f14 6d10(predicted) |
| Oxidation states | [-2, -1, 0, 1, 2] | [0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 3.44 | N/A |
| Electron affinity | 1.4611 eV | -0.5 eV |
| Density | 1.429 kg/m³ | 9928 kg/m³ |
| Melting point | -218.79 °C | -273.15 °C |
| Boiling point | -182.95 °C | -63.15 °C |
| Discovery year | 1771 | 1998 |