Density
0.807 g/cm³ (liquid at melting point)
Discovery
Discovered by Daniel Rutherford in 1772.
Common Uses
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Used in food preservation and cryogenics
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Provides an inert atmosphere in industrial processes
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Essential in the production of fertilizers
Interesting Facts
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Nitrogen makes up about 78% of Earth’s atmosphere.
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It is a key component of amino acids and proteins.
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Liquid nitrogen is used in medical cryotherapy.
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