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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Causes of radioactivity and Group displacement law

  • question_answer
    Atomic number after a \[\beta \]-emission from a nucleus having  atomic number 40, will be      [BHU 1981]

    A)                 36          

    B)                 39

    C)                 41          

    D)                 44

    Correct Answer: C

    Solution :

              \[_{40}X{{\to }_{41}}Y{{+}_{-1}}{{e}^{0}}\] (b-emission)


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