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Cesium-132

Cesium-132
Algemeen
Element cesium (Cs)
Nuclide 132Cs
Aantal protonen 55
Aantal neutronen 77
Nuclidische gegevens
Nuclidenmassa 131,90643426 u
Spin 2+
Bindingsenergie 8,405612 MeV
Massaoverschot −87,155926 MeV
Vervalgegevens
Type verval bètaverval
Halveringstijd 6,4792 dagen
Isotopen van cesium
Portaal  Portaalicoon   Scheikunde
Natuurkunde

Cesium-132 of 132Cs is een onstabiele radioactieve isotoop van cesium, een alkalimetaal. De isotoop komt van nature niet op Aarde voor.

Radioactief verval

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Cesium-132 bezit een halveringstijd van ongeveer 6,5 dagen. Het overgrote gedeelte (98,13%) vervalt naar de stabiele isotoop xenon-132:

De vervalenergie hiervan bedraagt 1,10235 MeV.

De rest (1,87%) vervalt tot de stabiele isotoop barium-132:

De vervalenergie bedraagt 1,27892 MeV.

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Cesium-132
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