character: Dr. Emily Tran
topic: Periodic Trends: How Electron Configuration Affects Reactivity
grade: 9
subject: Chemistry
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character: Mr. James Wright
topic: Understanding Atomic Structure and Reactivity
grade: 9
subject: Chemistry
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character: Ms. Sarah Chen
topic: The Role of Valence Electrons in Chemical Bonding
grade: 9
subject: Chemistry
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character: Dr. Lisa Patel
topic: Comparing Reactivity Across Different Groups in the Periodic Table
grade: 9
subject: Chemistry
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