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An atom of element X has 20 protons while an atom of element Y has 7 electrons. What is the formula of the compound formed from X and Y?

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  • tayh
    2019-06-27 00:27:29
    X= 20 protons = calcium, its ion is Ca^2+
    Y= 7 electrons = nitrogen, its ion is N^3-
    Compound formed = Ca3N2
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