what is nitrogen?
jisse mai baat krna chahti hu kya wo on.line hai?
Answers
Answered by
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.
Similar questions