Periodic Table of Elements

Xe - Xenon

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Nuclides / Isotopes

Nuc-
lide
Atomic
Mass
NNAbun
%
SpinHalf LifeDMDTBR
%
Decay
Energy
(MeV)
Xe110109.94456Syn0+0.6usαTe106 3.886
Xe111110.94257Syn 0.74sαTe107 3.720
 0.74sεI111 10.600
Xe112111.93658Syn0+2.7sεI11299.167.200
 2.7sαTe1080.843.317
Xe113112.933459Syn 2.74sεI11399.979.060
 2.74sε + PTe1124.27.910
 2.74sαTe1090.043.100
Xe114113.92860Syn0+10sεI114 5.900
Xe115114.92761Syn5/2+18sεI115 8.000
 18sε + PTe114 6.200
Xe116115.92262Syn0+59sεI116 4.660
Xe117116.92163Syn5/2+61sε + PTe1160.00294.020
 61sεI117 6.440
Xe118117.9264Syn0+3.8mεI118 2.900
Xe119118.91665Syn5/2+5.8mεI119 5.000
Xe120119.912266Syn0+40mεI120 1.960
Xe121120.911467Syn5/2+40.1mεI121 3.730
Xe122121.908568Syn0+20.1hεI122 0.890
Xe123122.908569Syn1/2+2.08hε   
 2.08hεI123 2.676
Xe124123.9059700.10+Stable 
Xe125124.906471Syn1/2+16.9hεI125 1.652
meta state 0.253MeVSyn9/2-57sIT  0.253
Xe126125.9043720.090+Stable 
Xe127126.905273Syn1/2+36.4dεI127 0.662
meta state 0.297MeVSyn9/2-69.2sIT  0.297
Xe128127.9035741.910+Stable 
Xe129128.90487526.41/2+Stable 
meta state 0.236MeVSyn11/2-8.88dIT  0.236
Xe130129.9035764.10+Stable 
Xe131130.90517721.23/2+Stable 
meta state 0.164MeVSyn11/2-11.84dIT  0.164
Xe132131.90427826.90+Stable 
meta state 2.752MeVSyn10+8.39msIT  2.752
Xe133132.905979Syn3/2+5.243dβ-Cs133 0.427
meta state 0.233MeVSyn11/2-2.19dIT  0.233
Xe134133.90548010.40+Stable 
meta state 1.965MeVSyn7-290msIT  1.965
Xe135134.907281Syn3/2+9.14hβ-Cs135 1.151
meta state 0.527MeVSyn11/2-15.29mβ-Cs13501.678
 15.29mIT  0.527
Xe136135.9072828.90+>2.36E 21yβ-Ba136  
Xe137136.911683Syn7/2-3.818mβ-Cs137 4.172
Xe138137.91484Syn0+14.08mβ-Cs138 2.770
Xe139138.918885Syn3/2-39.68sβ-Cs139 5.057
Xe140139.921686Syn0+13.6sβ-Cs140 4.060
Xe141140.926687Syn5/2-1.73sβ- + NCs1400.040.670
 1.73sβ-Cs141 6.150
Xe142141.9388Syn0+1.22sβ- + NCs1410.415.040
 1.22sβ-Cs142 5.040
Xe143142.93589Syn5/2-0.3sβ-Cs143 7.310
Xe144143.93890Syn0+1.15sβ-Cs144 6.100
Xe145144.94491Syn 0.9sβ-Cs145  
 0.9sβ- + NCs144  
Xe146145.94792Syn0+>150ns    
Xe147146.95393Syn >150ns    
NuclidePotential Parent Nuclides
Xe110Ba114 (Syn)
Xe111None known
Xe112Cs113 (Syn)
Xe113None known
Xe114Cs114 (Syn)
Xe115Cs115 (Syn)
Xe116Ba117 (Syn) Cs116 (Syn) Cs116m (Syn)
Xe117Cs117 (Syn) Cs117m (Syn)
Xe118Ba119 (Syn) Cs118 (Syn) Cs118m (Syn)
Xe119Cs119 (Syn) Cs119m (Syn)
Xe120Ba121 (Syn) Cs120 (Syn) Cs120m (Syn)
Xe121Cs121 (Syn) Cs121m (Syn)
Xe122Cs122 (Syn) Cs122m (Syn)
Xe123Cs123 (Syn)
Xe124Cs124 (Syn)
Xe125Cs125 (Syn)
meta state 0.253MeVNone known
Xe126Cs126 (Syn) I126 (Syn)
Xe127Cs127 (Syn)
meta state 0.297MeVNone known
Xe128Cs128 (Syn) I128 (Syn) Te128 (Natural)
Xe129Cs129 (Syn) I129 (Syn)
meta state 0.236MeVNone known
Xe130Cs130 (Syn) Cs130m (Syn) I130 (Syn) I130m (Syn) Te130 (Natural)
Xe131Cs131 (Syn) I131 (Syn)
meta state 0.164MeVNone known
Xe132Cs132 (Syn) I132 (Syn) I132m (Syn)
meta state 2.752MeVNone known
Xe133I133 (Syn)
meta state 0.233MeVNone known
Xe134Cs134 (Syn) I134 (Syn) I134m (Syn)
meta state 1.965MeVNone known
Xe135I135 (Syn)
meta state 0.527MeVNone known
Xe136I136 (Syn) I136m (Syn) I137 (Syn)
Xe137I137 (Syn) I138 (Syn)
Xe138I138 (Syn) I139 (Syn)
Xe139I139 (Syn) I140 (Syn)
Xe140I140 (Syn) I141 (Syn)
Xe141I141 (Syn)
Xe142I142 (Syn)
Xe143None known
Xe144None known
Xe145None known
Xe146None known
Xe147None known

Key:

  • NN = Number of Neutrons
  • Abun % = Natural Abundance (as a percentage)
  • Syn = Synthetic Nuclide (does not occur in nature)
  • DM = Decay Mode
    α = Alpha emission
    β- = Beta emission
    β- β- = Double beta decay
    β+ = Positron emission
    ε = Electron Capture
    IT = Isomeric Transition
    N = Neutron emission
    P = Proton emission
    SF = Spontaneous Fission
  • DT = Decays To
  • BR % = Branch Ratio (as a percentage)

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References

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