2. Solved Papers
  3. BVP Medical

BVP Medical BVP Medical Solved Paper-2008

  • question_answer
    The electronic configuration of a dispositive ion \[{{M}^{2+}}\] is 2, 8, 14 and its mass number is 56. The number of neutrons present is

    A)  32                                         

    B)  42

    C)  30                                         

    D)  34

    Correct Answer: C

    Solution :

                    Number of electrons in \[{{M}^{2+}}=24\] \[\therefore \] number of electrons in \[M=26\] ie, atomic number \[\text{(Z)}=26\] Mass number \[\text{(A)}=56\] \[\therefore \]number of neutrons                                 \[=A-Z=56-26=30.\]


You need to login to perform this action.
You will be redirected in 3 sec spinner