H Home Background Color: He Li Be Iodine Main Page Black White Gray B C N O F Ne Na Mg Iodine Pictures Page Al Si P S Cl Ar K Ca Iodine 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 Iodine (click to see decay chain): 108I  109I  110I  111I  112I  113I  114I  115I  116I  117I  118I  119I  120I  121I  122I  123I  124I  125I  126I  127I  128I  129I  130I  131I  132I  133I  134I  135I  136I  137I  138I  139I  140I  141I  142I  143I  144I

129I     Half-life Boson, 53p 76n 1.569634703196×107 y Spin 7/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 194.02keV 129Xe Hide Ultimate Decay Products Yield Nuclide 100% 129Xe Atomic Weight 128.904987722 Abundance None Mass Excess -88.503367MeV Binding Energy 8.43596MeV Magnetic Moment 2.621 μ Quadrupole Moment -0.553   Show Isotope Symbols. Show only decay products of this isotope.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..