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

  • question_answer Which has the smallest size [MP PET 1999]

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

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

    C) \[A{{l}^{3+}}\]

    D) \[{{P}^{5+}}\]

    Correct Answer: D

    Solution :

      As the nuclear charge per electron is maximum in \[{{P}^{5+}}\]. Therefore its size is smallest.


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