Nitrogen

Latin nameNitrogenium
English nameNitrogen
chemical symbolN
atomic number7
relative atomic mass14,00674
period2
groupV.A
classificationnonmetals
discovery year1772
discovererLavoisier
melting point [°C]-209,86
boiling point [°C]-195,8
critical temperature [°C]-146,94
critical pressure [MPa]3,39
density [g cm-3]0,0012506
electronegativity [Pauling]3,04
oxidation statesI ˜ V
electron configuration[He]2s2 2p3
atomic radius [pm]56
covalent radius [pm]75
specific heat [J g-1K-1]1,04
heat of fusion [kJ mol-1]0,3604
thermal conductivity [W m-1 K-1]0,02583
1. ionizing potential [eV]14,5341
2. ionizing potential [eV]29,601
3. ionizing potential [eV]47,448
state at normal conditionsgas

Nitrogen is a colorless, tasteless and odorless diatomic gas. Nitrogen is the major component of air (78.09 percent of Earth's atmosphere by volume). Nitrogen gas has a variety of applications.

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