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

128I     Half-life Fermion, 53p 75n 24.98333333333 m Spin 1 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 93.1% β- 2.1221MeV 128Xe 6.9% β+ 231.95keV 128Te Hide Ultimate Decay Products Yield Nuclide 100% 128Xe Atomic Weight 127.905809443 Abundance None Mass Excess -87.737939MeV Binding Energy 8.432829MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures. 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..