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Atomic Structure Isoelectronic Species

1

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Which of the following are isoelectronic species? I. CH₃⁺ II. NH₂⁻ III. NH₄⁺ IV. NH₃

Verified Answer & Explanation⌄

Correct Answer: B) II, III, IV

Concept Explanation

NH₂⁻, NH₄⁺, and NH₃ each contain 10 electrons; CH₃⁺ contains 8 electrons.

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