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12th Class Chemistry Nuclear Chemistry / नाभिकीय रसायन Question Bank Critical Thinking Nuclear chemistry

  • question_answer
    The triad of nuclei that is isotonic is [IIT 1988; DCE 2000;MP PMT 2004]

    A)            \[_{6}{{C}^{14}},{{\,}_{7}}{{N}^{15}},{{\,}_{9}}{{F}^{17}}\]

    B)            \[_{6}{{C}^{12}},{{\,}_{7}}{{N}^{14}},{{\,}_{9}}{{F}^{19}}\]

    C)            \[_{6}{{C}^{14}},{{\,}_{7}}{{N}^{14}},{{\,}_{9}}{{F}^{17}}\]

    D)            \[_{6}{{C}^{14}},{{\,}_{7}}{{N}^{14}}{{,}_{9}}{{F}^{19}}\]

    Correct Answer: A

    Solution :

           Isotones have same number of neutrons.                 


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