character: Mr. Johnson
topic: Chemical Reactivity in Alkali Metals
grade: 12
subject: Chemistry
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character: Ms. Smith
topic: Periodic Trends and Reactivity of Elements
grade: 12
subject: Chemistry
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character: Dr. Ramirez
topic: Acid-Base Reactions and Metal Reactivity
grade: 12
subject: Chemistry
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character: Professor Lee
topic: Comparative Reactivity of Alkali and Alkaline Earth Metals
grade: 12
subject: Chemistry
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