English Nitrogen compounds Cited by user InterstellarGamer12321 on 03 Nov 2022 The chemical element nitrogen is one of the most abundant elements in the universe and can form many compounds.
English Nitrogen Cited by user Materialscientist on 14 Jul 2016 Nitrogen is the chemical element with the symbol N and atomic number 7. It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772.