Question

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Define nitrogen​

Answer 1

Answer:

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.

Explanation:

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Answer 2

Answer:

nitrogen is a colourless, odourless and an unreactive gas which makes up 78% of the earth's atmosphere. It's atomic number is 7 and mass number is 14

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