character: Mr. Elements
topic: Introduction to Chemical Reactions
grade: 9
subject: Chemistry
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character: Professor Reacto
topic: Balancing Chemical Equations
grade: 9
subject: Chemistry
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character: Dr. Molecule
topic: Types of Chemical Reactions
grade: 9
subject: Chemistry
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character: Ms. Catalyst
topic: The Role of Catalysts in Reactions
grade: 9
subject: Chemistry
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