character: Noble Gas Nate
topic: Noble Gases
grade: 9
subject: Chemistry
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character: Helium Harry
topic: Properties of Helium
grade: 9
subject: Chemistry
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character: Argon Annie
topic: Uses of Argon in Industry
grade: 9
subject: Chemistry
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character: Krypton Kevin
topic: Applications of Krypton
grade: 9
subject: Chemistry
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