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  3. BCECE Engineering

BCECE Engineering BCECE Engineering Solved Paper-2005

  • question_answer
    Number of neutron in \[{{C}^{12}}\]is:

    A) 6                                             

    B) 7                             

    C) 8                             

    D)        9

    Correct Answer: A

    Solution :

    Key Idea: No. of neutron =Atomic mass atomic number. For \[{{C}^{12}}\]No. of neutron\[~=12-6=6\]


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