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

257Es     Half-life Boson, 99p 158n 7.75462962963 d Spin 7/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 814keV 257Fm 0.0004% α 6.05MeV 253Bk Hide Ultimate Decay Products Yield Nuclide 100.3267523065% 205Tl 6.959134788519×10-10% 207Pb Atomic Weight 257.095979 Abundance None Mass Excess 89.403MeV Binding Energy 7.422MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures. Also show decay chains leading to this isotope. Show all decays, even very low-probability.

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