character: Mr. Zhang
topic: Understanding Polar and Nonpolar Molecules
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Differences Between Ionic and Covalent Bonds
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: Solubility and Molecular Polarity
grade: 9
subject: Chemistry
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character: Mrs. Johnson
topic: Molecular Geometry and Its Effect on Polarity
grade: 9
subject: Chemistry
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