Largest in size out of Na⁺,Ne, and F^-

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Na⁺

F^-

All are equal

answer is B.

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Detailed Solution

In Na⁺no of electrons is less than no of protons so that protons will attract electrons more heavily thus its size will decrease. In F⁻ ,no of electrons is more than no of protons so that protons can`t attract electrons very heavily. Ne has the same no of electrons and protons. F⁻>Ne>Na⁺ will be the order.

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