Neon vs Phosphorus
| Property | Ne Neon | P Phosphorus |
|---|---|---|
| Atomic number | 10 | 15 |
| Symbol | Ne | P |
| Name | Neon | Phosphorus |
| Category | noble-gas | nonmetal |
| Standard Atomic Weight | 20.1797 u | 30.973762 u |
| Period | 2 | 3 |
| Group | 18 | 15 |
| Block | p | p |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p6 | [Ne]3s23p3 |
| Oxidation states | [0] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | N/A | 2.19 |
| Electron affinity | -1.2 eV | 0.7466 eV |
| Density | 0.8999 kg/m³ | 1820 kg/m³ |
| Melting point | -248.59 °C | 44.15 °C |
| Boiling point | -246.05 °C | 280.5 °C |
| Discovery year | 1898 | 1669 |