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| 55Mn | Half-life | Boson, 25p 30n |  |  | Stable | Spin 5/2 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 | 54.938045141 |  | Abundance | 1×102% |  | Mass Excess | -57.71058MeV |  | Binding Energy | 8.764988MeV |  | Magnetic Moment | 3.4532 μ |  | Quadrupole Moment | 0.33 | 
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