nitrogen

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Symbol:

N

Atomic Number:

7

Relative Atomic Mass:

14.00674 g mol^-1

Natural Abundance in Lithosphere, hydrosphere and atmosphere:

0.03% (mass fraction)

Electron Configuration:

[He]2s²2p³

Oxidation States:

V, IV, III, II, -III

Atomic Radius:

54.9pm

Covalent Radius:

70pm

Ionic Radius:

146pm (for -3 oxidation state)

Van der Waals Radius:

150pm

Boiling Point:

-195.8°C

Density:

1.17 g L^-1 (at 1013 mbar)

First Ionisation Energy:

14.534 eV

Electronegativity (Allred and Rochow):

3.1

Number of Natural Isotopes:

2

Mass Number of the Most Abundant Isotopes:

14 g mol^-1 a 99.63% abundance

15 g mol^-1 a 0.37% abundance