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The density of Ca is less than that of M...

The density of Ca is less than that of Mg because

A

Nuclear charge of Ca is more than Mg

B

Vacant 3d orbital is present in Ca

C

Size of Ca is less than Mg

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Presence of vacand 3D orbitals leads to much increase in atomic volume.
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