Question

Which d-block metals are not normally considered as transition metals? Why?

Answer 1

1. Zinc (Zn), Cadmium (Cd), and Mercury (Hg) are d-block metals not considered transition metals.
2. This is because they have completely filled d-orbitals (d¹⁰) in their elemental form and common ions.
3. They lack partly filled d-orbitals in their significant oxidation states.
4. As a result, they do not exhibit general properties typical of transition elements.
5. They are grouped with d-block elements for classification purposes, but differ in behavior from true transition metals.