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Nitrogen  SEE PERIODIC TABLE
see article  SEE FULL ARTICLE


Atomic Number7

Atomic SymbolN

Atomic Weight14.00674 amu

GroupNon-Metal, 15

FormGas

Density @ STP1.229 g/cm3

Melting Point-210.00 °C (-346 °F, 63.2 °K)

Boiling Point-195.79 °C (-320.42 °F, 77.36 °K)

Heat of Fusion0.71 kJ/mol

Heat of Vaporization5.57 kJ/mol

First Ionization Potential14.53414 eV

Electronegativity (on Pauling scale3.04

Specific Heat Capacity1.040 J/g K

Ground State Electron Configuration2p3

Oxidation State(s)+1, +2, +3, +4, +5, -1, -2, -3

Stable Isotopes and Natural Abundance on Earth14N, 99.634%; 15N, 0.366%

Selected Radioisotopes13N

Atomic Radius56 pm

Crystal StructureHexagonal

Discovered byRutherford, 1772

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