RAJASTHAN ­ PET Rajasthan PET Solved Paper-2007

  • question_answer
    The ionization energy decreases on moving downward because

    A)  charge increases

    B)  atomic size increases

    C)  atomic size decreases

    D)  screening effect decreases

    Correct Answer: B

    Solution :

     On moving downward in a group, the effective nuclear charge decreases hence, ionization energy decreases.


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