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10th Class Science Periodic Classification of Elements Question Bank Classification of Elements

  • question_answer
    On moving horizontally across a period, the number of electrons in the outermost shell increases from ...... to ......

    A)  2, 8       

    B)                         2,18

    C)  1, 8                   

    D)         1,18

    Correct Answer: C

    Solution :

    Not Available


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