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We would like to Buy Columbite with Nb2O5 45-55% min,Ta2O5 approx 5%, U3O8+ThO2 0.5% max. Niobium metal ingots 99.95%min.
What element family does the element Niobium belong to? Niobium belongs to The Vandadium Family of elements (which is part of the transition metals). In the new IUPAC numbering, the Vanadium family is Group 5.