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Nitrogen is a non-metal that belings to group V of the periodic table and has atomic number of 7 with electron arrangement of 2.5 .It exists in gaseous form. It can be isolated from the air through fractional distillation of liquiedfied air . Has a boiling point of -196°c . Nitrogen has three oxides such as Nitrogen (1) oxide, Nitrogen (11)oxide and Nitrogen (1V) oxide. The Nitrogen is used in manufacture of ammonia in the Haber process, in light bulbs because of inert nature and also its used as a refrigerant.