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Californium-249

Californium-249
Algemeen
Element californium (Cf)
Nuclide 249Cf
Aantal protonen 98
Aantal neutronen 151
Nuclidische gegevens
Nuclidenmassa 249,074853537 u
Spin 9/2
Bindingsenergie 7,483383 MeV
Massaoverschot 69,725622 MeV
Vervalgegevens
Type verval alfaverval
Halveringstijd 351 jaar
Vervalenergie 6,296 MeV
Vervalproduct curium-245
Isotopen van californium
Portaal  Portaalicoon   Scheikunde
Natuurkunde

Californium-249 of 249Cf is een instabiele radioactieve isotoop van californium, een actinide en transuraan element. De isotoop komt van nature niet op Aarde voor.

Californium-249 kan ontstaan door radioactief verval van berkelium-249, einsteinium-249 of fermium-253.

Radioactief verval

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Californium-249 vervalt hoofdzakelijk onder uitzending van alfastraling tot de radio-isotoop curium-245:

De halveringstijd bedraagt 351 jaar.

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Californium-249
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