character: Mr. Lee
topic: Properties of Metals
grade: 9
subject: Chemistry
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character: Ms. Carter
topic: Metallurgy and Its Importance
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Physical Properties of Metals
grade: 9
subject: Chemistry
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character: Mrs. Johnson
topic: Reactivity Series of Metals
grade: 9
subject: Chemistry
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