HHomeBackground Color:He
LiBeActinium Main PageBlack White GrayBCNOFNe
NaMgActinium Pictures PageAlSiPSClAr
KCaActinium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Actinium (click to see decay chain):
206Ac  207Ac  208Ac  209Ac  210Ac  211Ac  212Ac  213Ac  214Ac  215Ac  216Ac  217Ac  218Ac  219Ac  220Ac  221Ac  222Ac  223Ac  224Ac  225Ac  226Ac  227Ac  228Ac  229Ac  230Ac  231Ac  232Ac  233Ac  234Ac  235Ac  236Ac 

217Ac    Half-lifeBoson, 89p 128ntitle icon
69 nsSpin 9/2 Parity -1

Hide Decay Modes
ProbabilityModeDecay EnergyDaughter
98%α9.8315MeV213Fr
2%β+1.797MeV217Ra
Hide Ultimate Decay Products
YieldNuclide
100.4512192653%205Tl
Atomic Weight217.009346914
AbundanceNone
Mass Excess8.706595MeV
Binding Energy7.710324MeV
Magnetic Moment3.825 μ
Quadrupole MomentN/A
 
Show Isotope Symbols.
Show only decay products of this isotope.
Click any isotope in diagram to see its data.
Decay Chain Image

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