Chemical Properties Of Nitrogen

They react with highly electropositive metals to form

3Mg_(s) +N_2(g)  →  Mg3N_2(g)

It reacts in hydrogen to form ammonia.
N_2(g) + 3H_(g)  →  2NH_3(g)

It burns in oxygen to form oxides of nitrogen like
NO₂ NO and N₂O