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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

167Er     Half-life Fermion, 68p 99n Stable Spin 7/2 Parity 1 This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it. Atomic Weight 166.932048159 Abundance 22.869% Mass Excess -63.296733MeV Binding Energy 8.131779MeV Magnetic Moment -0.56385 μ Quadrupole Moment 3.565   Show Element Pictures. Show Decay Image Full Size.

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