character: Ms. Johnson
topic: Metalloids and Their Properties
grade: 12
subject: Chemistry
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character: Mr. Smith
topic: Periodic Table Trends
grade: 12
subject: Chemistry
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character: Dr. Lee
topic: Chemical Bonding in Metalloids
grade: 12
subject: Chemistry
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character: Ms. Anderson
topic: The Role of Metalloids in Semiconductors
grade: 12
subject: Chemistry
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