ChemistryNEET 2021Transition elements: trends and properties

The d- and f-Block Elements

Zr ( $Z = 40$ ) and Hf ( $Z = 72$ ) have similar atomic and ionic radii because of:

A.Belonging to the same group
B.Diagonal relationship
C.Lanthanoid contraction✓
D.Having similar chemical properties

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

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From Chemistry › The d- and f-Block Elements › Transition elements: trends and properties — lectures, notes and every past question on it.

Last revised 7 Sept 2026. Found a mistake? Tell us — corrections are the fastest thing we act on.

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