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AIIMS AIIMS Solved Paper-1999

  • question_answer
    Which of the following are \[_{16}{{S}^{32}}\] and \[_{15}P{{b}^{31}}\]?

    A)  isotopes         

    B)         isotones             

    C)         isobars           

    D)         isomers.

    Correct Answer: B

    Solution :

    Isotones are the nucleus that have same number of neutrons in them. \[_{16}{{S}^{32}}\]: number of neutrons \[=32-16=16\] \[_{15}{{P}^{31}}\]: number of neutrons \[=31-15=16\]


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