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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

254Fm     Half-life Boson, 100p 154n 3.24 h Spin 0 Parity 1 Show Decay Modes Show Ultimate Decay Products Atomic Weight 254.08685422 Abundance None Mass Excess 80.904186MeV Binding Energy 7.444786MeV Magnetic Moment 0 μ 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..