The melting point of Zn is lower as compared to those of th…

Chemistry D and F - Block Elements General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

The melting point of Zn is lower as compared to those of the other elements of 3d series because :

The d-orbitals are completely filled.

The d-orbitals are partially filled.

d-electrons do not participate in metallic bonding.

Size of Zn atom is smaller

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(a, c)

Strong metallic bonds between the atoms of transition elements attribute to their high melting and boiling points. Zinc has all electrons paired ([Ar] 3d10 4s2) and thus do not participate in metallic bonding. So accordingly its melting point is least.

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