Banking Chemistry Classification of Elements and Periodicity in Properties Question Bank Classification of Elements and Periodicity in Properties

  • question_answer 29) Which of the following group of elements belongs to alkali metals?

    A)  1, 12, 30, 4, 62            

    B)  37, 19, 3, 55  

    C)  9, 17, 35, 53                

    D)  12, 20, 56, 88

    Correct Answer: B

    Solution :

     Alkali metals have 1 electron in valence shell.

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