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Nonmetal and molecular is nonmetal

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Reference no: EM132131767

Why is (NH4)2CrO4 a molecular compound if ionic is metal + nonmetal and molecular is nonmetal+nonmetal? The Cr is a metal and the NH4 and O4 are non metal so it is metal+non metal but why cant it be ionic instead of molecular?

Reference no: EM132131767

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