The metal which is considered as transition metal is

Options

A. zinc
B. cadmium
C. mercury
D. scandium

Answer

D

Explanation

Zinc, cadmium and mercury of group 12 have full `d^(10)` configuration in their ground state as well as in their common oxidation states and thus, are not regarded as transition metals. However, being the end members of the three transition series, their chemistry is studied along with the chemistry of the transition metais