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UPSC Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Elements Classification and Chemical Bonding

  • 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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