N
Nitrogen
Z 7 14.007 g/molOther Nonmetal
Nucleus
7 Protons
7 Neutrons
7 Electrons (5 Valence)
Shell distribution: K2 • L5 • M0 • N0 • O0 • P0 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
[He]2s22p3
Oxidation States
CommonRare
0
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Radii
Empirical
65 pm0.65 Å
Calculated
56 pm0.56 Å
Covalent
71±1 pm0.71±0.01 Å
Van der Waals
155 pm1.55 Å
IonicN3- · CN 4
146 pm1.46 Å
Crystal Structure
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Hexagonal close-packedStandard state
Pearson symbol
hP4
Space group
P63/mmc No. 194
Density
0.00125 g/cm³