character: Dr. Adams
topic: Periodic Table and Electrons
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Understanding Atomic Structure
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Introduction to Elements and Compounds
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Chemical Bonds and Electron Configuration
grade: 9
subject: Chemistry
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