Nitrogen

A gaseous colourless and odourless element that makes up about 80% of the atmosphere.


Symbol
N

Also known as
Phlogisticated Air

Discovered
1772 by Daniel Rutherford.

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Atomic number 7 Clip
Mass number 14 Clip
Atomic / Molecular Weight 14.0067 gmol-1Clip
Density 1.165 kgm-3Clip
Lattice constant 405 fmClip
Melting Point 63.16 KClip
Boiling Point 77.354 KClip
Specific heat capacity 1040 Jkg-1K-1Clip
Ratio of Specific Heats 1.4 Clip
Refractive index 1.000297 at 589.3nm 101.3kPa 0CClip
Velocity of sound 354.4ms-1 @ 29C ms-1Clip
de Broglie wavelength 0.00000000003 mClip
Triple Point 63.148 KClip
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See also: Air, Hydrogen Bonding, Nitrogen Cycle, Nitrogen Fixation, Nitrogen Oxides, Nitrogenase Complex, Periodic Table, Vitiated Air.

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Subjects: Chemistry