Nitrogen (N)
Nitrogenium
Nitrogen (N) is a non-metal in period 2, group 15. Its relative atomic mass is 14.007 and the molar mass of the atom is 14.007 g/mol; the molar mass of N₂ is 28.014 g/mol.
Atomic number 7
Atomic mass 14.007
Molar mass 14.007 g/mol N₂: 28.014 g/mol
Category Non-metal Gas
Properties of nitrogen
| Atomic number | 7 |
|---|---|
| Symbol | N |
| Latin name | Nitrogenium |
| Relative atomic mass | 14.007 |
| Molar mass | 14.007 g/mol · N₂: 28.014 g/mol |
| Group, period, block | 15, 2, p |
| Category | Non-metal |
| State at 20 °C | Gas |
| Electron configuration | [He] 2s² 2p³ |
| Electronegativity (Pauling) | 3.04 |
| Atomic radius | 65 pm |
Electron configuration of nitrogen
Electrons per shell
K2L5
Full notation
1s² 2s² 2p³
Noble-gas notation
7 protons · 7 electrons[He] 2s² 2p³
Formula and compounds of nitrogen
Simple substanceN₂nitrogenMolar mass of N₂: 28.014 g/mol
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Frequently asked questions
The relative atomic mass of nitrogen is 14.007, so the molar mass of the atom is 14.007 g/mol; the molar mass of N₂ is 28.014 g/mol.
Full: 1s² 2s² 2p³. Noble-gas notation: [He] 2s² 2p³.