HHomeBackground Color:He
LiBeAstatine Main PageBlack White GrayBCNOFNe
NaMgAstatine Pictures PageAlSiPSClAr
KCaAstatine Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Astatine (click to see decay chain):
193At  194At  195At  196At  197At  198At  199At  200At  201At  202At  203At  204At  205At  206At  207At  208At  209At  210At  211At  212At  213At  214At  215At  216At  217At  218At  219At  220At  221At  222At  223At 

198At    Half-lifeFermion, 85p 113ntitle icon
4.2 sSpin 3 Parity 1

Hide Decay Modes
ProbabilityModeDecay EnergyDaughter
94%α6.89304MeV194Bi
Unknownβ+7.7791MeV198Po
Hide Ultimate Decay Products
YieldNuclide
94%194Pt
Unknown190Os
Unknown198Hg
Unknown178Hf
Atomic Weight197.992837202
AbundanceNone
Mass Excess-6.672103MeV
Binding Energy7.769159MeV
Magnetic MomentN/A
Quadrupole MomentN/A
 
Show Isotope Symbols.
Also show decay chains leading to this isotope.
Show all decays, even very low-probability.
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..