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ShareRadon is a chemical element in the periodic table that has the symbol Rn and atomic number 86.
A radioactive noble gas that is formed by the disintegration of radium, radon is one of the heaviest gases and is considered to be a health hazard.
For more information about the topic Radon, read the full article at Wikipedia.org, or see the following related articles:
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Argon — Argon is a chemical element in the periodic table. It has the symbol Ar and atomic number 18. The third noble gas, in group 18, argon makes up about ... > read more
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Radon at Wikipedia.org. See the Wikipedia copyright page for more details.
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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