H Home Background Color: He Li Be Gadolinium Main Page Black White Gray B C N O F Ne Na Mg Gadolinium Pictures Page Al Si P S Cl Ar K Ca Gadolinium 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 Gadolinium (click to see decay chain): 134Gd  135Gd  136Gd  137Gd  138Gd  139Gd  140Gd  141Gd  142Gd  143Gd  144Gd  145Gd  146Gd  147Gd  148Gd  149Gd  150Gd  151Gd  152Gd  153Gd  154Gd  155Gd  156Gd  157Gd  158Gd  159Gd  160Gd  161Gd  162Gd  163Gd  164Gd  165Gd  166Gd  167Gd  168Gd  169Gd

155Gd     Half-life Fermion, 64p 91n Stable Spin 3/2 Parity -1 This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it. Atomic Weight 154.922622022 Abundance 14.8% Mass Excess -72.077123MeV Binding Energy 8.213297MeV Magnetic Moment -0.2591 μ Quadrupole Moment 1.3   Show Isotope Symbols. Show Decay Image Full Size.

Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..