N
Nitrogen
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N |
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Nitrogen |
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element |
| Atomic number | 7 |
| Atomic weight | 14.0067 |
| Orbital electronic configuration | (He)2s22p3 |
| First ionization energy (eV) | 14.534 |
| Second ionization energy (eV) | 29.593 |
| Third ionization energy (eV) | 47.426 |
| Electronegativity (Pauling) | 3.04 |
| Atomic radius (Å) | 0.75 |
| Bonding radius (Å) | 0.75 |
| Oxidation states | ±3, 5, 4, 2 |
Properties |
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| Density (g/liter @ 0oC and 1 atm.) (gas) | 1.251 |
| Melting point (K) | 63.14 |
| Boiling point (K) | 77.35 |
| Heat of vaporization (kJ/mol) | 2.7928 |
| Heat of fusion (kJ/mol) | 0.3604 |
| Specific heat capacity (Jg-1K-1) | 1.04 |
| Crystal structure | hexagonal |