H Home Background Color: He Li Be Holmium Main Page Black White Gray B C N O F Ne Na Mg Holmium Pictures Page Al Si P S Cl Ar K Ca Holmium 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 Holmium (click to see decay chain): 140Ho  141Ho  142Ho  143Ho  144Ho  145Ho  146Ho  147Ho  148Ho  149Ho  150Ho  151Ho  152Ho  153Ho  154Ho  155Ho  156Ho  157Ho  158Ho  159Ho  160Ho  161Ho  162Ho  163Ho  164Ho  165Ho  166Ho  167Ho  168Ho  169Ho  170Ho  171Ho  172Ho  173Ho  174Ho  175Ho

155Ho     Half-life Boson, 67p 88n 48.33333333333 m Spin 5/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β+ 2.098MeV 155Dy Show Ultimate Decay Products Atomic Weight 154.929103491 Abundance None Mass Excess -66.039673MeV Binding Energy 8.159204MeV Magnetic Moment 3.5 μ Quadrupole Moment 1.52   Show Isotope Symbols. 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..