JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Atomic and lonic radii

  • question_answer Which of the following has the smallest size [CBSE PMT 1996]

    A) \[N{{a}^{+}}\]

    B) \[M{{g}^{+2}}\]

    C) \[C{{l}^{-}}\]

    D) \[{{F}^{-}}\]

    Correct Answer: B

    Solution :

    As the nuclear charge per \[{{e}^{-}}\] is maximum in \[M{{g}^{+2}}\], it has smallest size among \[N{{a}^{+}},\,\,M{{g}^{+2}},\,\,C{{l}^{-}}\] and \[{{F}^{-}}\].

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