character: Dr. Smith
topic: Exploring the Electromagnetic Spectrum
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Wavelengths and Frequencies in Chemistry
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Applications of the Electromagnetic Spectrum in Chemistry
grade: 9
subject: Chemistry
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character: Prof. Brown
topic: Interactions Between Light and Matter
grade: 9
subject: Chemistry
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