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Noble gases
By: Marcus Louis-JeunePer.4
10/21/11
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The noble gases
• Helium- Least reactive element• Neon- second lightest inert gas.• Krypton- highly fluorescent, used in lamps.• Xenon- generally unreactive.• Radon- occurs naturally as a decaying product
of uranium.
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Helium
• From the Greek word helios• Second lighest element.• Used in balloons.
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Neon
• Greek for veov which means new one.• Its used in a lot of advertisment signs.• Second lightest inert gas.
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Argon
• Greek for apyov which means lazy.• Almost undergoes no chemical changes• Argon is produced industrially.
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Krypton
• Greek for kryptos which means the hidden one.
• Can be used in lighting and photography• It last 230,000 years.
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Xenon
• Greek for xenos which means stranger.• First noble gas to be synthesized.• Used in lamps.
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Radon
• Greek for nintens which means shining.• A health hazard due to its high radioactivity.• Second most frequent cause of lung cancer.
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Noble gas video
• http://www.youtube.com/watch?v=iBlCtkQ6K0g