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Xenon-121

Xenon-121
Algemeen
Element xenon (Xe)
Nuclide 121Xe
Aantal protonen 54
Aantal neutronen 67
Nuclidische gegevens
Nuclidenmassa 120,911461829 u
Spin 5/2+
Bindingsenergie 8,403764 MeV
Massaoverschot −82,472775 MeV
Vervalgegevens
Type verval β+-verval
Halveringstijd 40,167 minuten
Vervalenergie 2,7923 MeV
Vervalproduct jodium-121
Isotopen van xenon
Portaal  Portaalicoon   Scheikunde
Natuurkunde

Xenon-121 of 121Xe is een radioactieve isotoop van xenon. De isotoop komt van nature niet op Aarde voor.

Xenon-121 ontstaat onder meer door radioactief verval van cesium-121.

Radioactief verval

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Xenon-121 vervalt door β+-verval naar de radio-isotoop jodium-121:

De halveringstijd bedraagt 40 minuten.

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Xenon-121
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