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Hydrogen - Periodic Table of Videos
Mythbusters - Fun With Gas
helium
Helium - Periodic Table of Videos
Nitrogen - Periodic Table of Videos
Oxygen - Periodic Table of Videos
Fluorine - Periodic Table of Videos
Neon - Periodic Table of Videos
Chlorine - Periodic Table of Videos
Argon - Periodic Table of Videos
Krypton - Periodic Table of Videos
Breathing Xenon
Xenon (new version) - Periodic Table of Videos
Radon - Periodic Table of Videos
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