Al and Ga have the same covalent radius because of
Greater shielding of s - electrons of Ga atoms
Poor shielding of s- electrons of Ga atoms
Greater shielding of d - electrons of Ga atoms
Poor shielding of d - electrons of Ga atoms
A
Poor shielding of s- electrons of Ga atoms
B
Greater shielding of d - electrons of Ga atoms
C
Greater shielding of s - electrons of Ga atoms
D
Poor shielding of d - electrons of Ga atoms
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Solution
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Poor shielding increases the effective nuclear charge, thereby decreasing atomic radius. This effect counterbalances the effect of increase in atomic radius due to addition of another shell.
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