character: Redox Reactions Specialist
topic: Oxidation States of Iron: Fe2+ vs Fe3+
grade: 9
subject: Chemistry
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character: Chemical Reaction Explorer
topic: Understanding Oxidation and Reduction
grade: 9
subject: Chemistry
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character: Iron Chemistry Guide
topic: Properties of Iron Compounds
grade: 9
subject: Chemistry
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character: Oxidation State Detective
topic: Identifying Oxidation States in Compounds
grade: 9
subject: Chemistry
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