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There are 39 known isotopes of radon (86Rn), from 193Rn to 231Rn; all are radioactive. The most stable isotope is 222Rn with a half-life of 3.8215 days, which decays into 218Po.
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isotopes decay 222rn radon trace half-life isotope physics 11 ed crc quantities center 86rn 8215 220rn national bibcode doi isbn
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Isotopes of radon | 210Rn | synth | 1.00 | infobox |
| Isotopes of radon | 211Rn | synth | 1.00 | infobox |
| Isotopes of radon | 220Rn | trace | 1.00 | infobox |
| Isotopes of radon | 222Rn | trace | 1.00 | infobox |
| Isotopes of radon | Main isotopes | .mw-parser-output .isotopes-table{text-align:center;width:100%;border-collapse:collapse;margin:0;padding:0}.mw-parser-output .isotopes-table-headers>:not(:first-child){padding:0… | 1.00 | infobox |
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