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| 205Tl | Half-life | Boson, 81p 124n |  |  | Stable | Spin 1/2 Parity 1 | 
 This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it.
 | | Atomic Weight | 204.974427541 |  | Abundance | 70.476% |  | Mass Excess | -23.820592MeV |  | Binding Energy | 7.878393MeV |  | Magnetic Moment | 1.63821461 μ |  | Quadrupole Moment | N/A | 
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