NCERT Exercise 4.2 - The d- and f-Block Elements
Question: In the formation of metallic bonds, no eletrons from 3d-orbitals are involved in case of zinc, while in all other metals of the 3d series, electrons from the d-orbitals are always involved in the formation of metallic bonds.
Answer: **NCERT answer:** It is because Mn2+ has 3d5 configuration which has extra stability.
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