character: Dr. Chemistry
topic: Periodic Table Overview, Understanding the Layout and Elements of the Periodic Table
grade: 12
subject: Chemistry
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character: Professor Atom
topic: The History and Development of the Periodic Table
grade: 12
subject: Chemistry
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character: Ms. Element
topic: The Significance of Atomic Numbers and Mass in the Periodic Table
grade: 12
subject: Chemistry
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character: Mr. Molecule
topic: Trends in the Periodic Table: Reactivity, Electronegativity, and Atomic Radius
grade: 12
subject: Chemistry
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