H Home Background Color: He Li Be Thulium Main Page Black White Gray B C N O F Ne Na Mg Thulium Pictures Page Al Si P S Cl Ar K Ca Thulium 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 Thulium (click to see decay chain): 145Tm  146Tm  147Tm  148Tm  149Tm  150Tm  151Tm  152Tm  153Tm  154Tm  155Tm  156Tm  157Tm  158Tm  159Tm  160Tm  161Tm  162Tm  163Tm  164Tm  165Tm  166Tm  167Tm  168Tm  169Tm  170Tm  171Tm  172Tm  173Tm  174Tm  175Tm  176Tm  177Tm  178Tm  179Tm

156Tm     Half-life Fermion, 69p 87n 1.396666666667 m Spin 2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β+ 6.3508MeV 156Er 0.064% α 4.34352MeV 152Ho Show Ultimate Decay Products Atomic Weight 155.938979933 Abundance None Mass Excess -56.839827MeV Binding Energy 8.089637MeV Magnetic Moment 0.4 μ Quadrupole Moment -0.48   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..