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Radon is a radioactive, colorless, odorless, tasteless noble gas, produced by alpha decay of the Radium (226Ra). Radon is found in nature in three different isotopes: 220Rn, member of 232Th series, with a half-life of 54.5 s; 219Rn, member of 235U series, with a half-life of 3.92 s; and its most stable isotope, 222Rn, has a half-life of 3.8 days. As radium decays, radon is formed and released into...
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