HHomeBackground Color:He
LiBeThorium Main PageBlack White GrayBCNOFNe
NaMgThorium Pictures PageAlSiPSClAr
KCaThorium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

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 

225Th    Half-lifeFermion, 90p 135ntitle icon
8.716666666667 mSpin 3/2 Parity 1

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ProbabilityModeDecay EnergyDaughter
90%α6.9214MeV221Ra
10%ϵ672.01keV225Ac
Show Ultimate Decay Products
Atomic Weight225.023951021
AbundanceNone
Mass Excess22.310233MeV
Binding Energy7.659222MeV
Magnetic MomentN/A
Quadrupole MomentN/A
 
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Decay Chain Image

Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..