N
Nitrogen
Element 7 · Nonmetal · Period 2, Group 15
Gas · Discovered 1772
Atomic Properties
| Atomic Number | 7 |
| Atomic Mass | 14.007u |
| Electron Configuration | [He] 2s2 2p3 |
| Electronegativity | 3.04Pauling |
| Atomic Radius | 155pm |
| Ionization Energy | 14.534eV |
| Oxidation States | +5, +4, +3, +2, +1, -1, -2, -3 |
Physical Properties
| Standard State | Gas |
| Melting Point | 63.15K |
| Boiling Point | 77.36K |
| Density | 0.0012506g/cm³ |
| Group Block | Nonmetal |
| Year Discovered | 1772 |