Nitrogen

due north normality was isolated by the British doc Daniel Rutherford in 1772 and recognized as an elemental shove off by the French chemist Antoine Laurent Lavoisier about 1776.Properties Nitrogen is a colorless, odorless, tasteless, non-poisonous gas. It can be condensed into a colorless liquid, which can in turn be compressed into a colorless, crystalline solid. Nitrogen exists in two natural forms of isotopes, and four radioactive isotopes roll been artificially prepared. Nitrogen melts at -210.01° C (-346.02° F), boils at -195.79° C (-320.42° F), and has a density of 1.251 g/liter at 0° C (32° F). The atomic weight of nitrogen is 14.007.

Nitrogen is obtained from the melody by passing air over heated papal bull or iron. The oxygen is removed from the air, leaving nitrogen motley with any(prenominal) inert gases. Pure nitrogen is obtained by partial vapour of liquid air because liquid nitrogen has a deprave boiling point than liquid oxygen, the nitrogen evaporates off get-go and can be col...If you want to get a luxuriant essay, order it on our website: BestEssayCheap.com

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