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Periodic Table Ionization Energy Trend

1

Choose the best answer

Gallium has a slightly higher first ionization energy than aluminium mainly because of:

Verified Answer & Explanation⌄

Correct Answer: A) Poor shielding by the intervening 3d-electrons

Concept Explanation

The 3d-electrons shield poorly, so Ga experiences a higher effective nuclear charge than expected.

Topic: Ionization Energy TrendPractice more Ionization Energy Trend MCQs →

Gallium has a slightly higher first... | Ionization… | ARMCQS