vanadium group

va·na·di·um group

those elements resembling vanadium in chemical and metallurgic properties; included with vanadium are niobium and tantalum.

va·na·di·um group

(vă-nā'dē-ŭm grūp)
Those elements resembling vanadium in chemical and metallurgic properties; included with vanadium are niobium and tantalum.
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References in periodicals archive ?
Covering first metal complexes then transition metal chemistry, they discuss such topics as the correct empirical formula of complexes, isomerism and stereochemistry, metal carbonyls and nitrosyls, the vanadium group, and the actinides.
Steel, mining and vanadium group EVRAZ plc (LSE:EVR) revealed today that it has agreed to acquire an indirect controlling interest in Russian coking coal producer OJSC Raspadskaya and its subsidiaries.