Phosphorus
Nonmetal| Atomic number | 15 |
|---|---|
| Category | Nonmetal |
| Atomic mass | 30.974 |
| Electron configuration | [Ne]3s² 3p³ |
| Oxidation states | −3 … +5 |
| Electronegativity | 2.19 |
| Melting point | 44.2 °C |
| Boiling point | 280.5 °C |
| Density | 1.82 g/cm³ |
| Crystal structure | Triclinic (white) |
| Group | 15 |
| Period | 3 |
| Block | p |
| Discovered | 1,669 |
| Crustal abundance | 1,050 ppm |