| Property | Value |
|---|---|
| Atomic number | 7 |
| Atomic weight | 14.00672 amu |
| Element family | Non-metals |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | 14N: 99.63%, 15N: 0.37% |
| Previous element | Carbon |
| Next element | Oxygen |
| Density | 0.0012506 g/cm3 (STP) |
| Melting | -209.86 °C |
| Boiling | -195.8 °C |
| Covalent radius | 0.71 Å |
| Van der Waals radius | 1.55 Å |
| Ionic radius | 1.46 Å |
| First ionization potential | 14.533 eV |
| Electron affinity | -0.070 eV |
| Electronegativity | 3.04 |
| Discovery year | 1772 |
Nitrogen is an element number 7 from non-metals family. Its symbol is N. Nitrogen atomic weight is 14.00672 amu. N stable and long lived isotopes are 14N: 99.63%, 15N: 0.37%. Nitrogen electronic configuration is 1s22s22p3. Sample compounds that contain Nitrogen are NH3, N2, AgNO3, HNO3, (NH4)2SO4, NO2.
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