H Home Background Color: He Li Be Europium Main Page Black White Gray B C N O F Ne Na Mg Europium Pictures Page Al Si P S Cl Ar K Ca Europium 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 Europium (click to see decay chain): 130Eu  131Eu  132Eu  133Eu  134Eu  135Eu  136Eu  137Eu  138Eu  139Eu  140Eu  141Eu  142Eu  143Eu  144Eu  145Eu  146Eu  147Eu  148Eu  149Eu  150Eu  151Eu  152Eu  153Eu  154Eu  155Eu  156Eu  157Eu  158Eu  159Eu  160Eu  161Eu  162Eu  163Eu  164Eu  165Eu  166Eu  167Eu

157Eu     Half-life Boson, 63p 94n 15.18055555556 h Spin 5/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 1.36325MeV 157Gd Show Ultimate Decay Products Atomic Weight 156.925423647 Abundance None Mass Excess -69.467426MeV Binding Energy 8.19985MeV Magnetic Moment 1.5 μ Quadrupole Moment 2.6   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..