Home Chemistry D and F - Block Elements General Characteristics The hardness of is due to ...... and metall…
Chemistry D and F - Block Elements General Characteristics Single Correct MCQ
Published on: August 14, 2026

The hardness of is due to ...... and metallic lusture is due to .......

A
Covalent bond, metallic bond
B
Covalent bond, hydrogen bond
C
Metallic bond, covalent bond
D
Metallic bond, hydrogen bond

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Verified by Experts
The correct answer is:
A

Covalent bond is constituted by electrons of d -orbitals and lusture is due to free electrons of s -orbital in metallic bond.

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