Nitrogen
Symbol, Uses, Properties, Atomic Number, & Facts
nitrogen (N), nonmetallic element of Group 15 [Va] of the periodic table. It is a colourless, odourless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter.
| atomic number | 7 |
|---|---|
| atomic weight | 14.0067 |
| melting point | −209.86 °C (−345.8 °F) |
| boiling point | −195.8 °C (−320.4 °F) |
| density (1 atm, 0° C) | 1.2506 grams/litre |
| usual oxidation states | −3, +3, +5 |
| electron configuration | 1s22s22p3 |
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