Question

Which elements of 3d series is not regarded as transition series ​

Answer 1

Answer:

The elements of group 12 i.e., Zinc, Cadmium, and Mercury are generally not regarded as transition elements as their atoms and all ions formed have completely filled d-orbitals i.e., these do not have partially filled d-orbitals in atomic state or common oxidation state (Zn2+, Cd2+, Hg2+).

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