Phosphorus vs Oganesson
| Property | P Phosphorus | Og Oganesson |
|---|---|---|
| Atomic number | 15 | 118 |
| Symbol | P | Og |
| Name | Phosphorus | Oganesson |
| Category | nonmetal | noble-gas |
| Standard Atomic Weight | 30.973762 u | 294 u |
| Period | 3 | 7 |
| Group | 15 | 18 |
| Block | p | p |
| Phase at STP | solid | gas |
| Electron configuration | [Ne]3s23p3 | [Rn] 7s2 7p6 5f14 6d10(predicted) |
| Oxidation states | [-3, -2, -1, 0, 1, 2, 3, 4, 5] | [-1, 0, 1, 2, 4, 6] |
| Electronegativity (Pauling) | 2.19 | N/A |
| Electron affinity | 0.7466 eV | 0.056 eV |
| Density | 1820 kg/m³ | 7000 kg/m³ |
| Melting point | 44.15 °C | -273.15 °C |
| Boiling point | 280.5 °C | -243.15 °C |
| Discovery year | 1669 | 2006 |