H Home Background Color: He Li Be Erbium Main Page Black White Gray B C N O F Ne Na Mg Erbium Pictures Page Al Si P S Cl Ar K Ca Erbium 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 Erbium (click to see decay chain): 143Er  144Er  145Er  146Er  147Er  148Er  149Er  150Er  151Er  152Er  153Er  154Er  155Er  156Er  157Er  158Er  159Er  160Er  161Er  162Er  163Er  164Er  165Er  166Er  167Er  168Er  169Er  170Er  171Er  172Er  173Er  174Er  175Er  176Er  177Er

149Er     Half-life Fermion, 68p 81n 4 s Spin 1/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 93% β+ 6.9246MeV 149Ho 7% β+p N/A 148Dy Hide Ultimate Decay Products Yield Nuclide 15.5313331167% 145Nd 4.348773272676×10-8% 141Pr Unknown 140Ce Atomic Weight 148.942306 Abundance None Mass Excess -53.741615MeV Binding Energy 8.074955MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures. Show only decay products of this isotope. Show Decay Image Full Size.

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