H Home Background Color: He Li Be Einsteinium Main Page Black White Gray B C N O F Ne Na Mg Einsteinium Pictures Page Al Si P S Cl Ar K Ca Einsteinium 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 Einsteinium (click to see decay chain): 240Es  241Es  242Es  243Es  244Es  245Es  246Es  247Es  248Es  249Es  250Es  251Es  252Es  253Es  254Es  255Es  256Es  257Es  258Es

254Es     Half-life Fermion, 99p 155n 275.6944444444 d Spin 7 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% α 6.6157MeV 250Bk 0.03% ϵ 651.2keV 254Cf 0.000174% β- 1.0878MeV 254Fm 3×10-6% SF N/A Variable Hide Ultimate Decay Products Yield Nuclide 100.0443570268% 206Pb 1.890381746355×10-6% 205Tl 2.600109152892×10-9% 208Pb 1.691363490098×10-28% 160Dy 1.109687589991×10-32% 140Ce Unknown 172Yb Unknown 152Sm Unknown 180Hf Unknown 176Hf Unknown 156Gd Unknown 168Er Unknown 164Dy Atomic Weight 254.088022021 Abundance None Mass Excess 81.991986MeV Binding Energy 7.443584MeV 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 Smaller.

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