*Nitrogen is a chemical element with symbol N and atomic number 7.
*Nitrogen is a colorless, odorless,tasteless and mostly inert diatomic gas at standard conditions, constituting 78.09% by volume of earths atmosphere.
*The element Nitrogen was discovered as a separable component of air, by Scottish physician Daniel Rutherford, in 1772.
*Nitrogen is a common element in the universe, estimated at about seventh in total abundance in our galaxy and the Solar System.

What is Nitrogen?