H Home Background Color: He Li Be Terbium Main Page Black White Gray B C N O F Ne Na Mg Terbium Pictures Page Al Si P S Cl Ar K Ca Terbium 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 Terbium (click to see decay chain): 136Tb  137Tb  138Tb  139Tb  140Tb  141Tb  142Tb  143Tb  144Tb  145Tb  146Tb  147Tb  148Tb  149Tb  150Tb  151Tb  152Tb  153Tb  154Tb  155Tb  156Tb  157Tb  158Tb  159Tb  160Tb  161Tb  162Tb  163Tb  164Tb  165Tb  166Tb  167Tb  168Tb  169Tb  170Tb  171Tb

140Tb     Half-life Fermion, 65p 75n 2.4 s Spin 7 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β+ 10.278MeV 140Gd 0.26% β+p N/A 139Eu Hide Ultimate Decay Products Yield Nuclide 100% 140Ce 0.26% 139La Atomic Weight 139.945805049 Abundance None Mass Excess -50.482272MeV Binding Energy 8.068672MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. 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..