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Which of the following pair of elements ...

Which of the following pair of elements have same atomic radius

A

B,Al

B

Al,Ga

C

Ga,In

D

In , Tl

Text Solution

Verified by Experts

The correct Answer is:
B
Size of Al is larger than expected due to shielding effect of `2s^(2) 2p^(6)` electrons of Al , Al and Ga have almost same radius
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