Some polyatomic anions contain a metal as part of the anion. For example, the anion dichromate has the formula Cr 2O 72 − and the anion permanganate has the formula MnO 4−. Write the formula of the ionic compound formed from each of these anions and a potassium cation. Name each compound.

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Chapter5: Nomenclature
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Some polyatomic anions contain a metal as part of the anion.
For example, the anion dichromate has the formula Cr 2O 72 −
and the anion permanganate has the formula MnO 4−. Write
the formula of the ionic compound formed from each of these
anions and a potassium cation. Name each compound.

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