H Home Background Color: He Li Be Dysprosium Main Page Black White Gray B C N O F Ne Na Mg Dysprosium Pictures Page Al Si P S Cl Ar K Ca Dysprosium 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 Dysprosium (click to see decay chain): 138Dy  139Dy  140Dy  141Dy  142Dy  143Dy  144Dy  145Dy  146Dy  147Dy  148Dy  149Dy  150Dy  151Dy  152Dy  153Dy  154Dy  155Dy  156Dy  157Dy  158Dy  159Dy  160Dy  161Dy  162Dy  163Dy  164Dy  165Dy  166Dy  167Dy  168Dy  169Dy  170Dy  171Dy  172Dy  173Dy

149Dy     Half-life Fermion, 66p 83n 4.2 m Spin 7/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β+ 2.75862MeV 149Tb Show Ultimate Decay Products Atomic Weight 148.927304787 Abundance None Mass Excess -67.715154MeV Binding Energy 8.179238MeV Magnetic Moment -0.119 μ Quadrupole Moment -0.63   Show Isotope Symbols. 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..