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30 November, 06:02

Compare the numbers of protons and electrons in a positive ion with the numbers of protons and electrons in a negative ion.

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  1. 30 November, 06:32
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    In a positive ion, the number of protons is larger than the number of electrons.

    In a negative ion, the number of protons is smaller than the number of electrons.

    Explanation:

    Each proton carries a positive charge of one unit.

    Each elec in tron carries a negative charge of one unit.

    In an atom, there are as many protons as electrons. Hence, they are neutral.

    However, in a positive ion, there are less negative charge than positive charge. Hence the net charge is positive. That also means that there are fewer negatively-charged electrons than positively-charged protons.

    Similarly, in a negative ion, there are more negative charge than positive charge. Hence the net charge is negative. That also means that there are more negatively-charged electrons than positively-charged protons.
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