Banking Chemistry Structure of Atom Question Bank Structure of Atom

  • question_answer The number of electron in an element with atomic number X and atomic mass Y will be

    A)  (X - Y)                         

    B)  (Y - X)

    C)  (X+Y)             

    D)         X  

    Correct Answer: D

    Solution :

     No. of electrons = no. of protons = Atomic number = X

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