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NEET Sample Paper NEET Sample Test Paper-19

  • question_answer
    The difference in \[{{\,}_{17}}C{{l}^{35}}\]and \[{{\,}_{17}}C{{l}^{37}}\]is of

    A)  Atomic number

    B)  Number of neutron

    C)  Number of proton

    D)  Number of electron

    Correct Answer: B

    Solution :

    [b]\[{{\,}_{17}}C{{l}^{35}}\]and\[{{\,}_{17}}C{{l}^{37}}\]are isotopes of chlorine. They have, Same atomic number (17). Same number of electron. Number of proton = Number of electron. Same number of protons (17). Different mass number. Different number of neutrons. [Mass number = number of (p + n)] Hence, the correct option is [b].


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