Niobium Nb Metal ntụ ntụ
Niobium bụ ọla isi awọ, ebe agbaze 2468 ℃, ebe esi esi 4742 ℃.Niobium kwụsiri ike n'ikuku n'ime ụlọ okpomọkụ, uhie adịghị kpamkpam na oxygen oxidation.