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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Nucleus (Stability and Reaction)

  • question_answer
    According to the nuclear reaction \[_{4}Be{{+}_{2}}H{{e}^{4}}{{\to }_{6}}{{C}^{12}}{{+}_{0}}n{{}^{1}}\], mass number of \[(Be)\] atom is [AFMC 2002]

    A)                 4             

    B)                 9

    C)                 7             

    D)                 6

    Correct Answer: B

    Solution :

              Equate atomic no. and mass no.


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