nitrogen

7.Nitrogen N-(  14.0067 g/mol)

Topic covered :-

Nitrogen

Nitrogen gas

Nitrogen atom

Wikipedia nitrogen

Details of nitrogen

Latin name:

Nitrogenous

Year discovered:

1772

Discovered by:

Daniel Rutherford

Image

Image source - Google | Photo by image of elements 

Electrons:7

Protons:7

Neutrons:7

Atomic number:

7

Atomic weight (Relative atomic mass):

14.0067(g/mol)

Melting point:

-209.9°C = 63.25K

Boiling point:

-195.8°C =  77.35K

Phase:

Gas

Electron configuration:

[He]2s2 2p3

1s2 2s2 2p3

Atomic radius:

92 (pm)

Van der Waals radius:

155 (pm)

Electronegativity:

3.04

Valence:

III, IV, V

Electron affinity:

7 (kJ/mole)

Crystal structure:

Hexagonal