Radon is a rare radioactive chemical element formed by the decay of radium. It is a colorless, odorless, tasteless noble gas used for cancer treatments. The most common oxidation number of radon is 2. It is denoted with the symbol Rn and the atomic number is 86.

Radon is a rare radioactive chemical element formed by the decay of radium. It is a colorless, odorless, tasteless noble gas used for cancer treatments. The most common oxidation number of radon is 2. It is denoted with the symbol Rn and the atomic number is 86.


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