character: Mr. Lee
topic: Electron Transitions and Energy Levels
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: Atomic Structure and Electron Shells
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Understanding Photons and Energy Absorption
grade: 9
subject: Chemistry
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character: Mr. Kim
topic: Quantum Mechanics and Electron Behavior
grade: 9
subject: Chemistry
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