NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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Zr\mathrm{ }(Z = 40)\mathrm{ and }Hf(Z = 72)

have similar atomic and ionic radii because of:

View answer and explanation

Correct option: A

Lanthanoid contraction

Option A (Lanthanoid contraction) is correct because Lanthanoid contraction causes

Zr

and

Hf

to have similar atomic and ionic radii.

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