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

  • question_answer
    \[_{Z}{{X}^{M}}{{+}_{2}}H{{e}^{4}}{{\to }_{15}}{{P}^{30}}{{+}_{0}}{{n}^{1}}\]. Then          [KCET 2002]

    A)                 \[Z=12,\,\,M=27\]          

    B)                 \[Z=13,\,\,M=27\]

    C)                 \[Z=12,\,\,M=17\]          

    D)                 \[Z=13,\,\,M=28\]

    Correct Answer: B

    Solution :

              Equate atomic no. and mass no.


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