Drag the tiles to the correct boxes to complete the pairs.
Chromium Is a transition metal, and oxygen has an oxidation number of -2. Use this Information to match each compound to its chemical
formula.
chromium(VI) oxide
chromium(IV) oxide
chromium(IIl) oxide
chromium(ll) oxide
CrO-
CrO2-
CrO3-
Cr2O3-
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