Periodic Table of Elements

Yb - Ytterbium

Ytterbium Menu

Nuclides / Isotopes

Nuc-
lide
Atomic
Mass
NNAbun
%
SpinHalf LifeDMDTBR
%
Decay
Energy
(MeV)
Yb148147.96778Syn0+     
Yb149148.96379Syn1/2+, 3/2+     
Yb150149.95880Syn0+     
Yb151150.95581Syn1/2+1.6sεTm151 9.100
 1.6sε + PEr150 9.000
meta state 0.000MeVSyn11/2-1.6sεTm151~1009.100
Yb152151.9582Syn0+3.04sεTm152 5.470
 3.04sε + PEr151 4.500
meta state 2.744MeVSyn10+30usIT  2.744
Yb153152.94983Syn7/2-4.2sαEr149504.200
 4.2sεTm153506.700
Yb154153.94684Syn0+0.409sαEr15092.65.474
 0.409sεTm1547.44.490
Yb155154.94685Syn7/2-1.8sαEr151895.337
 1.8sεTm155116.000
Yb156155.942886Syn0+26.1sεTm156903.580
 26.1sαEr152104.812
Yb157156.942787Syn7/2-38.6sεTm15799.55.500
 38.6sαEr1530.54.620
Yb158157.939988Syn0+1.49mαEr154~0.00214.171
 1.49mεTm158 2.670
Yb159158.940289Syn5/2-1.58mεTm159 5.050
Yb160159.93890Syn0+4.8mεTm160 2.300
Yb161160.93891Syn3/2-4.2mεTm161 4.150
Yb162161.93692Syn0+18.87mεTm162 1.660
Yb163162.93693Syn3/2-11.05mεTm163 3.370
Yb164163.93594Syn0+75.8mεTm164 1.000
Yb165164.935495Syn5/2-9.9mεTm165 2.762
Yb166165.933996Syn0+56.7hεTm166 0.304
Yb167166.93597Syn5/2-17.5mεTm167 1.954
Yb168167.9339980.130+Stable 
Yb169168.935299Syn7/2+32.026dεTm169 0.909
meta state 0.024MeVSyn1/2-46sIT  0.024
Yb170169.93481003.050+Stable 
Yb171170.936310114.31/2-Stable 
Yb172171.936410221.90+Stable 
Yb173172.938210316.125/2-Stable 
Yb174173.938910431.80+Stable 
meta state 1.518MeVSyn6+830usITYb174 1.518
Yb175174.9413105Syn7/2-4.185dβ-Lu175 0.470
Yb176175.942610612.70+Stable 
meta state 1.050MeVSyn8-11.4sIT >=901.050
 11.4sβ-Lu176<100.944
Yb177176.9453107Syn9/2+1.911hβ-Lu177 1.399
meta state 0.331MeVSyn1/2-6.41sIT  0.331
Yb178177.9466108Syn0+74mβ-Lu178 0.645
Yb179178.95109Syn1/2-8mβ-Lu179 2.400
Yb180179.952110Syn0+2.4mβ-Lu180  
Yb181 111Syn      
NuclidePotential Parent Nuclides
Yb148None known
Yb149Lu150 (Syn)
Yb150Hf154 (Syn) Lu151 (Syn)
Yb151Hf155 (Syn)
meta state 0.000MeVNone known
Yb152Hf156 (Syn) Lu152 (Syn) Lu153 (Syn)
meta state 2.744MeVNone known
Yb153Hf157 (Syn)
Yb154Hf158 (Syn) Lu154 (Syn)
Yb155Hf159 (Syn) Lu155 (Syn) Lu155m (Syn)
Yb156Hf160 (Syn) Lu156 (Syn)
Yb157Hf161 (Syn) Lu157m (Syn)
Yb158Hf162 (Syn) Lu158 (Syn)
Yb159Lu159 (Syn)
Yb160Lu160 (Syn)
Yb161Lu161 (Syn)
Yb162Lu162 (Syn) Lu162m (Syn)
Yb163Lu163 (Syn)
Yb164Lu164 (Syn)
Yb165Lu165 (Syn)
Yb166Lu166 (Syn) Lu166m (Syn) Lu166m1 (Syn)
Yb167Lu167 (Syn)
Yb168Lu168 (Syn) Lu168m (Syn) Tm168 (Syn)
Yb169Lu169 (Syn)
meta state 0.024MeVNone known
Yb170Hf174 (Natural) Lu170 (Syn) Tm170 (Syn)
Yb171Lu171 (Syn) Tm171 (Syn)
Yb172Lu172 (Syn) Tm172 (Syn)
Yb173Lu173 (Syn) Tm173 (Syn)
Yb174Lu174 (Syn) Lu174m (Syn) Tm174 (Syn) Yb174m (Syn)
meta state 1.518MeVNone known
Yb175Tm175 (Syn)
Yb176Lu176m (Syn) Tm176 (Syn)
meta state 1.050MeVNone known
Yb177Tm177 (Syn)
meta state 0.331MeVNone known
Yb178None known
Yb179None known
Yb180None known
Yb181None 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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