Nitrogen gas is found naturally as a pair of atoms, N2. What is nitrogen?
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NITROGEN :-
- A ELEMENT
- PRESENT IN GASEOUS FORM
- VERY MUCH USEFUL
- SYMBOL (N)
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Nitrogen occurs in all organisms, primarily in amino acids (and thus proteins), in the nucleic acids (DNA and RNA) and in the energy transfer molecule adenosine triphosphate. The human body contains about 3% nitrogen by mass, the fourth most abundant element in the body after oxygen, carbon, and hydrogen.
Explanation:
the chemical element of atomic number 7, a colourless, odourless unreactive gas that forms about 78 per cent of the earth's atmosphere. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant.
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