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Name Nitrogen
Symbol N
Atomic number 7
Atomic mass 14.0 amu
Normal state gas
Classification Non-metal
Crystal structure Hexagonal
Color Colorless
Date of discovery 1772
Name of discoverer Daniel Rutherford
Name origin Greek
Uses Forms most of atmosphere
Obtained from From liquid air

Nitrogen is a gaseous element[1]. It is the major component (78%) of air.

In its liquid state, nitrogen is a cryogenic fluid.

Nitrogen is often used in the production of fertilizers and gunpowder.


  1. Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000