Nitrogen |
| Symbol | N |
|---|---|
| Latin name | Nitrogenium |
| Atomic number | 7 |
| Period | 2 |
| Element category | Nonmetals |
| Relative atomic mass | 14.00674 |
| Group | V.A |
| Electronegativity | 3.0 |
| Oxidation numbers | -3, 1, 2, 3, 4, 5 |
| Electron configuration | 1s2 2s2 2p3 |
| Density [g/cm3] | 0.0012506 |
| State | Gas |
| Melting point [°C] | -209.79 |
| Boiling point [°C] | -195.802 |
| Critical point [°C] | -146.94 |
| Critical pressure [MPa] | 3.39 |
| Atomic radius [pm] | 56 |
| Covalent radius [pm] | 75 |
| Thermal conductivity [W m-1K-1] | 0.02598 |
| Heat capacity [J K-1g-1] | 1.042 |
| Discovery | 1772 |
| 1.st ionization energy [eV] | 14.5341 |
| 2.nd ionization energy [eV] | 29.601 |
| 3.rd ionization energy [eV] | 47.448 |
| Stable isotopes | 2 |
| Unstable isotopes | 4 |