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

161Eu     Half-life Boson, 63p 98n 26 s Spin 5/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 3.736MeV 161Gd Hide Ultimate Decay Products Yield Nuclide 100% 161Dy Atomic Weight 160.93368 Abundance None Mass Excess -61.777MeV Binding Energy 8.149MeV 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%.

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