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7 N

Nitrogen

Non-Metal
Atomic Mass
14.007 u
Density
0.807 g/cm³ (liquid at melting point)
Melting Point
-210 °C
Boiling Point
-195.79 °C
State
Gas
Discovery
1772

Discovery

Discovered by Daniel Rutherford in 1772.

Common Uses

  • Used in food preservation and cryogenics
  • Provides an inert atmosphere in industrial processes
  • Essential in the production of fertilizers

Interesting Facts

  • Nitrogen makes up about 78% of Earth’s atmosphere.
  • It is a key component of amino acids and proteins.
  • Liquid nitrogen is used in medical cryotherapy.
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