Niobium is a transition metal that has a atomic number of 41 and chemical symbol Nb. It has one stable isotope, with mass number 93. Its color is silvery-grey.
In the United States, niobium is often called columbium in metallurgy.
Niobium is a transition metal that has a atomic number of 41 and chemical symbol Nb. It has one stable isotope, with mass number 93. Its color is silvery-grey.
In the United States, niobium is often called columbium in metallurgy.