HHomeBackground Color:He
LiBeFrancium Main PageBlack White GrayBCNOFNe
NaMgFrancium Pictures PageAlSiPSClAr
KCaFrancium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgUubUutUuqUupUuhUusUuo

Isotopes of Francium (click to see decay chain):
199Fr  200Fr  201Fr  202Fr  203Fr  204Fr  205Fr  206Fr  207Fr  208Fr  209Fr  210Fr  211Fr  212Fr  213Fr  214Fr  215Fr  216Fr  217Fr  218Fr  219Fr  220Fr  221Fr  222Fr  223Fr  224Fr  225Fr  226Fr  227Fr  228Fr  229Fr  230Fr  231Fr  232Fr 

209Fr    Half-lifeBoson, 87p 122ntitle icon
0.833mSpin 9/2 Parity -1

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ProbabilityModeDecay EnergyDaughter
89.%α6777.38keV205At
11.%β+4137.2keV209Rn
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YieldNuclide
91.142027216%205Tl
8.932788%201Hg
8.9×10-6%197Au
Atomic Weight208.995953555
AbundanceNone
Mass Excess-3.769239MeV
Binding Energy7.763686MeV
Magnetic Moment3.95μ
Quadrupole Moment-0.24
 
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Decay Chain Image

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