Nitrogen is element 7, a non-metal of the p block, in group 15, period 2. Its ground-state configuration is [He] 2s2 2p3, and it usually shows the oxidation states -3, -2, -1, 0, 1, 2, 3, 4, 5.
It was discovered in 1772, by Rutherford.
Name origin: the Greek nitron and '-gen' meaning 'niter-forming'.
The periodic table, read every way a chemistry course asks for. This tool needs JavaScript; these are the pages it offers: