HHomeBackground Color:He
LiBeProtactinium Main PageBlack White GrayBCNOFNe
NaMgProtactinium Pictures PageAlSiPSClAr
KCaProtactinium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Protactinium (click to see decay chain):
212Pa  213Pa  214Pa  215Pa  216Pa  217Pa  218Pa  219Pa  220Pa  221Pa  222Pa  223Pa  224Pa  225Pa  226Pa  227Pa  228Pa  229Pa  230Pa  231Pa  232Pa  233Pa  234Pa  235Pa  236Pa  237Pa  238Pa  239Pa  240Pa 

227Pa    Half-lifeBoson, 91p 136ntitle icon
38.33333333333 mSpin 5/2 Parity -1

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ProbabilityModeDecay EnergyDaughter
85%α6.5804MeV223Ac
15%ϵ1.02558MeV227Th
Show Ultimate Decay Products
Atomic Weight227.028805072
AbundanceNone
Mass Excess26.831753MeV
Binding Energy7.639488MeV
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..