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Why the atomic radius of gallium is less...

Why the atomic radius of gallium is less than that of Al?

A

Poor shielding power of `d` electrons of `Ga` atom

B

Poor shielding power of `s` electrons of `Ga` atom

C

Greater shielding power of `s` electrons of `Al` atom

D

Greater shielding power `d` electrons of `Ga atom.

Text Solution

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The correct Answer is:
A, B, C
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