JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Radioactivity

  • question_answer
    When a radioactive substance emits an a-particle, its position in the periodic table is lowered by [AIIMS 2001]

    A)            One place                              

    B)            Two places

    C)            Three places                        

    D)            Four places

    Correct Answer: B

    Solution :

               \[_{Z}{{X}^{A}}\,\xrightarrow{\alpha }{{\,}_{Z-2}}{{X}^{A-4}}\]


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