Published by:
CGP EDU Academic Team
Published on: August 12, 2026
and 
have similar atomic and ionic radii because of
Text Solution
Verified by ExpertsThe correct answer is:
B
The almost identical radii of 
and Hf (159 pm ) is a consequence of the lanthanoid contraction, causes the radii of third transition series member to very similar to corresponding member of second series.
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