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JEE Main & Advanced JEE Main Paper (Held On 19 May 2012)

  • question_answer
    Which pair of elements with the given atomic numbers is expected to have similar properties?     JEE Main  Online Paper (Held On 19  May  2012)

    A) 40,72                                    

    B)                        20,36

    C)                        10,28                                    

    D)                        11,12

    Correct Answer: A

    Solution :

                    Zr (40), Hf(72) have similar properties as they belong to same group and have same valence shell electronic configuration.


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