2. Solved Papers
  3. CMC Medical

CMC Medical CMC-Medical Ludhiana Solved Paper-2007

  • question_answer
    An element M has an atomic mass 19 and atomic number 9. Its ion is represented by

    A)  \[{{M}^{+}}\]                                   

    B)  \[{{M}^{2+}}\]

    C)  \[{{M}^{-}}\]                                    

    D)  \[{{M}^{2-}}\]

    Correct Answer: C

    Solution :

                    Atomic mass of element (M) = 19 Atomic number of element (M) = 9 Its ions is represented by\[{{\text{M}}^{-}}\] (Electronic configuration of M\[=n{{s}^{2}}n{{p}^{5}}\]). It will gain one electron to acquire stable configuration.


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