Information
Nitrogen is the 7th element in the periodic table and its symbol is ¨N¨
Nitrogen can be found in the 5th group and on the 2nd period
Nitrogen's atomic mass is 14.007
Nitrogen has 7 protons as well as 7 electrons and 7 neutrons
Nitrogen has 2 shells & on its last one, the valence, has 5 electrons which concludes its unstable and bonds contently
Also, Nitrogen is a non metal and its also a gas some times.
Discovery
Daniel Rutherford was the person who found nitrogen in 1772. He found it by removing oxygen and carbon dioxide from air and showed that the residual gas would not support combustion or living organisms.