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What Are the Oxidation Numbers of the Atoms in the Cr₂O₇²^-

Question 109

Multiple Choice

What are the oxidation numbers of the atoms in the Cr₂O₇²^- ion?

A) Cr = 1-, O = 0
B) Cr = 0, O = 2-
C) Cr = 6+, O = 2-
D) Cr = 7+, O = 2-
E) Cr = 3+, O = 1-

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