What is the oxidation number of Cr in Cr₂O,²? Technically if it is positive it should be noted as such but this format will not allow me set +? vs just ?. If it's negative make sure to type in -?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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What is the oxidation number of Cr in Cr₂O₂²-?
Technically if it is positive it should be noted as such but this format
will not allow me set +? vs just ?. If it's negative make sure to type in
-?
Transcribed Image Text:7 What is the oxidation number of Cr in Cr₂O₂²-? Technically if it is positive it should be noted as such but this format will not allow me set +? vs just ?. If it's negative make sure to type in -?
Expert Solution
Step 1: Oxidation number

The oxidation number is the hypothetical charge possessed by each atom in a molecule.

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