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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Isotopes-Isotones and Nuclear isomers

  • question_answer
    Which character is different of the two isotopes of an element  [NCERT 1971; EAMCET 1980, 92; CPMT 1992]

    A)                 Atomic mass     

    B)                 Atomic number

    C)                 Number of electrons     

    D)                 Number of protons

    Correct Answer: A

    Solution :

              Isotopes have same atomic number but different mass number.


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