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

177Er     Half-life Fermion, 68p 109n 3 s Spin 1/2 Parity -1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide Unknown 177Hf Atomic Weight 176.95405 Abundance None Mass Excess -42.802MeV Binding Energy 8.013MeV 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..