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| Isotopes of Tellurium |
 Notable Isotopes
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 120Te [68 neutrons] |
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 Abundance: 0.096
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| Stable with 68 neutrons
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| 122Te [70 neutrons] |
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| Abundance: 2.603%
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| Stable with 70 neutrons
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| 123Te [71 neutrons] |
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| Abundance: 0.908%
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| Half life: 1.0 x 1013 years [ Electron Capture ]
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| Decay Energy: 0.051MeV |
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| Decays to 123Sb.
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| 124Te [72 neutrons] |
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| Abundance: 4.816%
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| Stable with 72 neutrons
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| 125Te [73 neutrons] |
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| Abundance: 7.139%
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| Stable with 73 neutrons
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| 126Te [74 neutrons] |
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| Abundance: 18.952%
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| Stable with 74 neutrons
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| 128Te [76 neutrons] |
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| Abundance: 31.687%
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| Half life: 2.2 x 1024 years [ Double beta decay ]
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| Decay Energy: 0.867MeV |
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| Decays to 128Xe.
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| 130Te [78 neutrons] |
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| Abundance: 33.799%
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| Half life: 7.9 x 1020 years [ Double beta decay ]
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| Decay Energy: 2.528MeV |
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| Decays to 130Xe.
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