Nitrogen

Nitrogen
Properties
Atomic symbol	N
Atomic number	7
Classification	Non-metal
Atomic mass	14.0 amu
Other Information
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. 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.

See also

• List of gardening topics
• Permaculture - Permanent agriculture
• Soil fertility - nitrogen, phosphorus, potassium