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Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    Elements having the same number of nucleons and different number of protons are

    A)  isotones       

    B)  positrons

    C)  isotopes       

    D)  isobars

    Correct Answer: D

    Solution :

     Same number of nucleons means same mass number. Different number of protons means different atomic numbers. Hence, they are isobars.


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