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Because of lanthanide contraction, which...

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

A

`Zr(40) and Hf(72)`

B

`Zr(40) and Ta(73)`

C

`Ti (22) and Zr(40)`

D

`Zr(40) and Nb(41)`

Text Solution

Verified by Experts

The correct Answer is:
A

Zr and HI have same atomic radii due to the lanthanide contraction.
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