character: Ms. Brown
topic: Electron Configuration and Atomic Structure
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Understanding the Periodic Table
grade: 9
subject: Chemistry
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character: Dr. Johnson
topic: Chemical Bonds and Electron Sharing
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Atomic Theories and Models
grade: 9
subject: Chemistry
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