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

211Th     Half-life Fermion, 90p 121n 40 ms Spin 5/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter 99.5% α 7.9429MeV 207Ra 0.5% β+ 5.679MeV 211Ac Hide Ultimate Decay Products Yield Nuclide 67.27624095822% 199Hg 28.00397133081% 203Tl 4.373622% 195Pt 0.3780130498% 207Pb Atomic Weight 211.014928413 Abundance None Mass Excess 13.905728MeV Binding Energy 7.671711MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures. Also show decay chains leading to this isotope. Show all decays, even very low-probability. Show Decay Image Smaller.

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