character: Dr. Liu
topic: Reactivity of Alkali Metals: A Focus on Atomic Size
grade: 9
subject: Chemistry
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character: Ms. Jones
topic: Periodic Trends and Their Influence on Reactivity
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Understanding Atomic Radius and Atomic Structure
grade: 9
subject: Chemistry
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character: Dr. Patel
topic: Comparative Analysis of Metal Reactivity
grade: 9
subject: Chemistry
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