Question

For which element the highest shielding effect for outermost electron is observed?
(A) Element of group 13 and period 2
(B) Element of group 13 and period 3
(C) Element of group 13 and period 4
(D) Element of group 13 and period 5

Answer 1

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➡️Correct Option -: B✔️✔️

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Answer 2

Answer:

GALLIUM (GA)

Explanation:

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