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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Topic Test - Structure of Atom (4-5-21)

  • question_answer
    The number of electrons in the valence shell of calcium is

    A) 6

    B) 8

    C) 2

    D) 4

    Correct Answer: C

    Solution :

    [c] 2 electron in the valence shell of calcium \[C{{a}_{20}}=(2,\,8,\,8,\,2)\].


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