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Isotopes of Fermium (click to see decay chain): 242Fm  243Fm  244Fm  245Fm  246Fm  247Fm  248Fm  249Fm  250Fm  251Fm  252Fm  253Fm  254Fm  255Fm  256Fm  257Fm  258Fm  259Fm  260Fm

253Fm     Half-life Fermion, 100p 153n 3.009259259259 d Spin 1/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 88% ϵ 335.84keV 253Es 12% α 7.199MeV 249Cf Hide Ultimate Decay Products Yield Nuclide 100.0165265083% 205Tl 6.937616069983×10-10% 207Pb Atomic Weight 253.085185236 Abundance None Mass Excess 79.349538MeV Binding Energy 7.448455MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures. Also show decay chains leading to this isotope. Show only decays with probability >0.1%. Show Decay Image Full Size.

Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..