Notes
| Isotopes of Barium |
| Notes
|
| There are twenty-two isotopes known, but most of these are highly radioactive and have half-llifes in the several millisecond to several minute range. |
 Notable Isotopes  |
|
 130Ba [74 neutrons] |
|
 Abundance: 0.106%
|
|
| Stable with 74 neutrons
|
|
| 132Ba [76 neutrons] |
|
| Abundance: 0.101%
|
|
| Stable with 76 neutrons
|
|
| 133Ba [77 neutrons] |
|
| Abundance: synthetic
|
|
| Half life: 10.51 years [ Electron Capture ]
|
|
| Decay Energy: 0.517 MeV |
|
| Decays to 133Cs.
|
|
|
|
| 134Ba [78 neutrons] |
|
| Abundance: 2.417%
|
|
| Stable with 78 neutrons
|
|
| 135Ba [79 neutrons] |
|
| Abundance: 6.592%
|
|
| Stable with 79 neutrons
|
|
| 136Ba [80 neutrons] |
|
| Abundance: 7.854%
|
|
| Stable with 80 neutrons
|
|
| 137Ba [81 neutrons] |
|
| Abundance: 11.23%
|
|
| Stable with 81 neutrons
|
|
| 138Ba [82 neutrons] |
|
| Abundance: 71.7%
|
|
| Stable with 82 neutrons
|