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Periodic Table of Elements

Ba - Barium

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Nuclides / Isotopes

Nuc-
lide		Atomic
Mass		NNAbun
%		SpinHalf LifeDMDTBR
%		Decay
Energy
(MeV)
Ba114113.95158Syn0+0.43sεCs114~1008.900
 0.43sαXe110 3.600
Ba115114.94859Syn 0.4sεCs115 11.000
Ba116115.94260Syn0+0.3sεCs116 8.200
Ba117116.93961Syn3/21.75sε + αI113>011.700
 1.75sε + PXe116>08.700
 1.75sεCs117 9.500
Ba118117.93362Syn0+5.5sεCs118 6.400
Ba119118.9363Syn5/2+5.4sε + PXe118>06.200
 5.4sεCs119 8.100
Ba120119.92664Syn0+32sεCs120 5.000
Ba121120.92465Syn5/2+29.7sε + PXe1200.024.200
 29.7sεCs121 6.800
Ba122121.9266Syn0+1.95mεCs122 3.800
Ba123122.91967Syn5/2+2.7mεCs123 5.500
Ba124123.915168Syn0+11mεCs124 2.648
Ba125124.91569Syn1/2+3.5mεCs125 4.600
Ba126125.911270Syn0+100mεCs126 1.673
Ba127126.91171Syn1/2+12.7mεCs127 3.450
meta state 0.080MeVSyn7/2-1.9sIT  0.080
Ba128127.908372Syn0+2.43dεCs128 0.521
Ba129128.908773Syn1/2+2.23hεCs129 2.432
meta state 0.008MeVSyn7/2+2.16hεCs129<=1002.440
 2.16hITBa129 0.008
Ba130129.9063740.1060+Stable 
meta state 2.475MeVSyn8-11msIT  2.475
Ba131130.906975Syn1/2+11.50dεCs131 1.370
meta state 0.187MeVSyn9/2-14.6mIT  0.187
Ba132131.9051760.1010+Stable 
Ba133132.90677Syn1/2+10.51yεCs133 0.517
meta state 0.288MeVSyn11/2-38.9hIT 99.990.288
 38.9hεCs1330.00960.805
Ba134133.9045782.4170+Stable 
Ba135134.9057796.5923/2+Stable 
meta state 0.268MeVSyn11/2-28.7hIT  0.268
Ba136135.9046807.8540+Stable 
meta state 2.031MeVSyn7-0.3084sIT  2.031
Ba137137.90588111.233/2+Stable 
meta state 0.661MeVSyn11/2-2.552mIT  0.662
Ba138137.90528271.70+Stable 
Ba139138.908883Syn7/2-83.06mβ-La139 2.317
Ba140139.910684Syn0+12.752dβ-La140 1.047
Ba141140.914485Syn3/2-18.27mβ-La141 3.216
Ba142141.916586Syn0+10.6mβ-La142 2.212
Ba143142.920687Syn5/2-14.33sβ-La143 4.243
Ba144143.922988Syn0+11.5sβ- + NLa1433.61.660
 11.5sβ-La144 3.120
Ba145144.926989Syn5/2-4.31sβ-La145 4.930
Ba146145.930190Syn0+2.22sβ-La146 4.120
Ba147146.93491Syn3/2-0.893sβ- + NLa1460.060.400
 0.893sβ-La147 5.750
Ba148147.93892Syn0+0.607sβ- + NLa147<=0.41.120
 0.607sβ-La148 5.120
Ba149148.94293Syn 0.344sβ- + NLa1480.431.100
 0.344sβ-La149 7.300
Ba150149.94694Syn0+0.3sβ-La150 6.600
Ba151150.95195Syn      
Ba152151.95496Syn0+     
Ba153152.9697Syn      
NuclidePotential Parent Nuclides
Ba114None known
Ba115None known
Ba116None known
Ba117None known
Ba118None known
Ba119None known
Ba120La120 (Syn)
Ba121La121 (Syn)
Ba122Ce123 (Syn) La122 (Syn)
Ba123La123 (Syn)
Ba124Ce125 (Syn) La124 (Syn)
Ba125La125 (Syn)
Ba126La126 (Syn)
Ba127La127 (Syn) La127m (Syn)
meta state 0.080MeVNone known
Ba128La128 (Syn)
Ba129Ba129m (Syn) La129 (Syn)
meta state 0.008MeVNone known
Ba130Cs130 (Syn) La130 (Syn)
meta state 2.475MeVNone known
Ba131La131 (Syn)
meta state 0.187MeVNone known
Ba132Cs132 (Syn) La132 (Syn) La132m (Syn)
Ba133La133 (Syn)
meta state 0.288MeVNone known
Ba134Cs134 (Syn) La134 (Syn)
Ba135Cs135 (Syn) La135 (Syn)
meta state 0.268MeVNone known
Ba136Cs136 (Syn) Cs136m (Syn) La136 (Syn) Xe136 (Natural)
meta state 2.031MeVNone known
Ba137Cs137 (Syn) La137 (Syn)
meta state 0.661MeVNone known
Ba138Cs138 (Syn) Cs138m (Syn) La138 (Natural)
Ba139Cs139 (Syn)
Ba140Cs140 (Syn) Cs141 (Syn)
Ba141Cs141 (Syn) Cs142 (Syn)
Ba142Cs142 (Syn) Cs143 (Syn)
Ba143Cs143 (Syn) Cs144 (Syn)
Ba144Cs144 (Syn) Cs144m (Syn) Cs145 (Syn)
Ba145Cs145 (Syn) Cs146 (Syn)
Ba146Cs146 (Syn) Cs147 (Syn)
Ba147Cs147 (Syn) Cs148 (Syn)
Ba148Cs148 (Syn)
Ba149None known
Ba150None known
Ba151None known
Ba152None known
Ba153None 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

A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

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