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Because of lanthnoid contraction, which ...

Because of lanthnoid contraction, which of the following pairs of elements have nearly same atomic radii ? (Number in the parenthesis are atomic numbers)

A

Zr (40) and Nb (41)

B

Zr (40) and Hf (72)

C

Zr (40) and Ta (73)

D

Ti (22) and Zr (40)

Text Solution

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The correct Answer is:
B
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