character: Electron
topic: Periodic Table Trends
grade: 9
subject: Chemistry
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character: Valence Electrons
topic: Periodic Trends in Reactivity
grade: 9
subject: Chemistry
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character: Atomic Radius
topic: Trends in the Periodic Table
grade: 9
subject: Chemistry
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character: Ionization Energy
topic: Periodic Trends and Electron Configuration
grade: 9
subject: Chemistry
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