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  5. Structure of the Atom

9th Class Science Structure of the Atom Question Bank Atomic Structure Conceptive Objective Problems

  • question_answer
                                                                                                  \[N{{a}^{+}}\] ion is isoelectronic with

    A)                                                                                                   \[L{{i}^{+}}\]                

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

    C)                                                                                                \[C{{a}^{2+}}\]                

    D)                                                                                                \[B{{a}^{2+}}\]

    Correct Answer: B

    Solution :

        The ion isoelectronic with                                                                                               \[N{{a}^{+}}\] is                                                                                              \[M{{g}^{+2}}\] . Both have 10 electrons.


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