character: Mr. Alan Smith
topic: Introduction to Atomic Structure
grade: 9
subject: Chemistry
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character: Ms. Emily Johnson
topic: Overview of Electron Configuration
grade: 9
subject: Chemistry
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character: Dr. James Lee
topic: Understanding the Periodic Table
grade: 9
subject: Chemistry
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character: Mrs. Sarah Brown
topic: Fundamentals of Chemical Bonds
grade: 9
subject: Chemistry
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