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NEET Sample Paper NEET Sample Test Paper-68

  • question_answer
    In the transition of Zn atoms to \[Z{{n}^{++}}\] ions there is a decrease in the

    A) number of valency electrons

    B) atomic weight

    C) atomic number

    D) equivalent weight

    Correct Answer: A

    Solution :

    Ion is formed by gaining or losing electrons. To form cation electrons are lost from the valency shell, so Zn atoms to \[Z{{n}^{++}}\] ions there is a decrease in the no. of valency electron.


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