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xiaily xiaily
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3 weeks ago
What is the oxidation number of Cr in Cr2O72–?

–12



–7



–2



+6



+7

Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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BlondieXBlondieX
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3 weeks ago
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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