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 

231Pa    Half-lifeBoson, 91p 140ntitle icon
32760 ySpin 3/2 Parity -1

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Atomic Weight231.03588399
AbundanceNone
Mass Excess33.425722MeV
Binding Energy7.61842MeV
Magnetic Moment2.01 μ
Quadrupole Moment-1.72
 
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Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..