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

234Th     Half-life Boson, 90p 144n 24.07407407407 d Spin 0 Parity 1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 100.044158759% 206Pb 1.890378×10-6% 205Tl 2.600104×10-9% 208Pb Unknown 180Hf Atomic Weight 234.04360123 Abundance None Mass Excess 40.614285MeV Binding Energy 7.596849MeV Magnetic Moment 0 μ Quadrupole Moment N/A   Show Isotope Symbols. Show only decay products of this isotope. 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..