Phosphorus vs Xenon
| Property | P Phosphorus | Xe Xenon |
|---|---|---|
| Atomic number | 15 | 54 |
| Symbol | P | Xe |
| Name | Phosphorus | Xenon |
| Category | nonmetal | noble-gas |
| Standard Atomic Weight | 30.973762 u | 131.293 u |
| Period | 3 | 5 |
| Group | 15 | 18 |
| Block | p | p |
| Phase at STP | solid | gas |
| Electron configuration | [Ne]3s23p3 | [Kr]5s24d105p6 |
| Oxidation states | [-3, -2, -1, 0, 1, 2, 3, 4, 5] | [0, 2, 4, 6, 8] |
| Electronegativity (Pauling) | 2.19 | 2.6 |
| Electron affinity | 0.7466 eV | -0.8 eV |
| Density | 1820 kg/m³ | 5.887 kg/m³ |
| Melting point | 44.15 °C | -111.79 °C |
| Boiling point | 280.5 °C | -108.1 °C |
| Discovery year | 1669 | 1898 |