HHomeBackground Color:He
LiBeMagnesium Main PageBlack White GrayBCNOFNe
NaMgMagnesium Pictures PageAlSiPSClAr
KCaMagnesium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Magnesium (click to see decay chain):
19Mg  20Mg  21Mg  22Mg  23Mg  24Mg  25Mg  26Mg  27Mg  28Mg  29Mg  30Mg  31Mg  32Mg  33Mg  34Mg  35Mg  36Mg  37Mg  38Mg  39Mg  40Mg 

21Mg    Half-lifeFermion, 12p 9ntitle icon
122 msSpin 5/2 Parity 1

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ProbabilityModeDecay EnergyDaughter
67%β+12.0725MeV21Na
32.6%β+pN/A20Ne
0.5%β+αN/A17F
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YieldNuclide
67%21Ne
32.6%20Ne
0.5%17O
Atomic Weight21.01171291
AbundanceNone
Mass Excess10.910506MeV
Binding Energy7.104714MeV
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..