Variable oxidation states 0.0 / 5 ? ChemistryTransition metalsA2/A-levelAQA Created by: Sophuric acidCreated on: 07-03-14 18:14 Chromium +6 Cr2O7 2- Orange +6 CrO4 2- Yellow +3 Cr3+ Green (violet when surrounded by 6 water ligands) +2 Cr2+ Blue 1 of 1
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