Question

The following elements belong to second transition series

• A. V, La, Ht, Ta
• B. Nb, Mo, Tc, Ru
• C. Ir, Os, Re, Ta
• D. Re, Os, Ir, Pt

Answer 1

Answer: (B)

Elements belong to second transition series are $YZrNbMoTcRuRhPdAgCd$