What is the Chemical formula of Lead Oxide by Criss cross method?
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An alternative way to writing a correct formulafor an ionic compound is to use the crisscross method. In this method, the numerical value of each of the ion charges is crossed over to become the subscript of the other ion. Signs of the charges are dropped. Write the formulafor lead (IV) oxide.
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For example, lead(IV) oxide has Pb4+ as its metal cation. The crisscross method first yields Pb2O4 for the formula, but that must be reduced to PbO2, which is the correct formula
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