H Home Background Color: He Li Be Fermium Main Page Black White Gray B C N O F Ne Na Mg Fermium Pictures Page Al Si P S Cl Ar K Ca Fermium Technical Data Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

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

259Fm     Half-life Fermion, 100p 159n 1.5 s Spin 3/2 Parity 1 This isotope is unstable but has no known daughter products, so instead we show decay chains that lead down to it. The ultimate decay products of this nuclide are not known. Atomic Weight 259.100595 Abundance None Mass Excess 93.704MeV Binding Energy 7.407MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..