character: Mrs. Thompson
topic: Reactivity of Metals
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Periodic Table Trends
grade: 9
subject: Chemistry
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character: Ms. Lopez
topic: Chemical Bonds and Reactivity
grade: 9
subject: Chemistry
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character: Dr. Kim
topic: Acid-Base Reactions and Metal Reactivity
grade: 9
subject: Chemistry
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