Multiple Choice Questions on The number of protons in an atom of an element A is 19 then the number of electron in its ion A is ........ for 10th Standard Preparation

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Multiple Choice Questions

The number of protons in an atom of an element A is 19 then the number of electron in its ion A is ........

Chemistry Chapter- 3
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    The number of protons in an atom of an element A is 19 then, the number of electron in its ion A+ is:

    18

    Correct Answer

    19

    Incorrect Answer

    20

    Incorrect Answer

    21

    Incorrect Answer
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    Explanation:

    In the neutral atom of an element,

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