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Periodic Table Atomic Radius Trend

1

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Which comparison between Al and Ga is correct according to the usual periodic-trend explanation?

Verified Answer & Explanation⌄

Correct Answer: C) Ga is slightly smaller than Al.

Concept Explanation

Poor shielding by intervening 3d-electrons increases effective nuclear charge in Ga, causing d-block contraction.

Topic: Atomic Radius TrendPractice more Atomic Radius Trend MCQs →

Which comparison between Al and Ga is correct... | Atomic... | ARMCQS