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AFMC AFMC Solved Paper-2003

  • question_answer
    The number of elements present in fifth period of periodic table is :

    A) 10                                          

    B) 8

    C) 32                                          

    D) 18

    Correct Answer: D

    Solution :

    Horizontal rows of periodic table are called periods. Modem periodic table has seven periods.
    I period ? 2 elements
    II period ? 8 elements
    III period ? 8 elements
    IV period ? 18 elements
    V period ? 18 elements
    VI period ? 32 elements
    VII period   Incomplete


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