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29-01-2020
Chemistry

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Potassium permanganate as a compound formula

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29-01-2020

Answer: KMnO4

Explanation: Potassium K has a charge of +1 since it is a cation and in group 1. Permanganate is a polyatomic ion with a chemical formula of MnO4 - it is an anion with a -1 charge.

Do the criss cross rule on both charges and the result is KMnO4. The charge will cancel out since they are equal values.

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