Nitrogen
Nonmetal| Atomic number | 7 |
|---|---|
| Category | Nonmetal |
| Atomic mass | 14.007 |
| Electron configuration | [He]2s² 2p³ |
| Oxidation states | −3 … +5 |
| Electronegativity | 3.04 |
| Melting point | -210 °C |
| Boiling point | -196 °C |
| Density | 0.001 g/cm³ |
| Crystal structure | Hexagonal (solid) |
| Group | 15 |
| Period | 2 |
| Block | p |
| Discovered | 1,772 |
| Crustal abundance | 19 ppm |
