H Home Background Color: He Li Be Thorium Main Page Black White Gray B C N O F Ne Na Mg Thorium Pictures Page Al Si P S Cl Ar K Ca Thorium 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 Thorium (click to see decay chain): 209Th  210Th  211Th  212Th  213Th  214Th  215Th  216Th  217Th  218Th  219Th  220Th  221Th  222Th  223Th  224Th  225Th  226Th  227Th  228Th  229Th  230Th  231Th  232Th  233Th  234Th  235Th  236Th  237Th  238Th

223Th     Half-life Fermion, 90p 133n 600 ms Spin 5/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% α 7.56663MeV 219Ra Show Ultimate Decay Products Atomic Weight 223.020811448 Abundance None Mass Excess 19.385739MeV Binding Energy 7.66864MeV 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..