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

  • question_answer
    The electronic configuration of elements A, B, C and D are (2, 8, (a) (2, 8, (b) and (2, 8, 7) respectively. Which of them can make an ion with two negative charges.

    A)  A                                           

    B)  B    

    C)  C                           

    D)  D

    Correct Answer: C

    Solution :

      Not Available    


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