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JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)

  • question_answer
    Similarity in chemical properties of the atoms of elements in a group of the Periodic table is most closely related to:   [JEE Main Online Paper ( Held On 12 Apirl  2014 )

    A) atomic numbers              

    B) atomic masses

    C) number of principal energy levels

    D) number of valence electrons

    Correct Answer: A

    Solution :

                    If elements are arranged in order of their increasing atomic numbers, element coming at intervals of 2, 8, 8, 18, 18, 32 and 32 will have similar physical and chemical properties and thus grouped in one particular group.


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