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Atomic Structure Isoelectronic Species

1

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Which species is isoelectronic with a neutral helium atom?

Verified Answer & Explanation⌄

Correct Answer: B) Li⁺

Concept Explanation

Neutral He contains 2 electrons. Li has Z = 3, so Li⁺ contains 2 electrons. Therefore, He and Li⁺ are isoelectronic.

Topic: Isoelectronic SpeciesPractice more Isoelectronic Species MCQs →