Uraan-238

Dit is nie splytbaar nie, maar wel 'n fertiele materiaal: dit kan stadige neutrone opvang en na twee beta-ontbindings kernsplytbare plutonium-239 word.

Eienskappe

Algemeen
Naam	Uraan-238
Protone	92
Neutrone	146
Status
Status	langlewende oerisotoop
Navigasie
${\displaystyle \nwarrow }$${\displaystyle \uparrow }$${\displaystyle \nearrow }$ ${\displaystyle \leftarrow }$23892U${\displaystyle \rightarrow }$ ${\displaystyle \swarrow }$${\displaystyle \downarrow }$${\displaystyle \searrow }$
Lys van isotope
Portaal Chemie
Portaal Fisika

 

Uraan-238 verval soos volg na lood-206:

${\displaystyle {\begin{array}{l}{}\\{\ce {^{238}_{92}U->[\alpha ][4{,}468\times 10^{9}\ {\ce {y}}]{^{234}_{90}Th}->[\beta ^{-}][24{,}1\ {\ce {d}}]{^{234\!m}_{91}Pa}}}{\begin{Bmatrix}{\ce {->[0{,}16\%][1{,}17\ {\ce {min}}]{^{234}_{91}Pa}->[\beta ^{-}][6{,}7\ {\ce {h}}]}}\\{\ce {->[99{,}84\%\ \beta ^{-}][1{,}17\ {\ce {min}}]}}\end{Bmatrix}}{\ce {^{234}_{92}U->[\alpha ][2{,}445\times 10^{5}\ {\ce {y}}]{^{230}_{90}Th}->[\alpha ][7{,}7\times 10^{4}\ {\ce {y}}]{^{226}_{88}Ra}->[\alpha ][1600\ {\ce {y}}]{^{222}_{86}Rn}}}\\{\ce {^{222}_{86}Rn->[\alpha ][3{,}8235\ {\ce {d}}]{^{218}_{84}Po}->[\alpha ][3{,}05\ {\ce {min}}]{^{214}_{82}Pb}->[\beta ^{-}][26{,}8\ {\ce {min}}]{^{214}_{83}Bi}->[\beta ^{-}][19{,}9\ {\ce {min}}]{^{214}_{84}Po}->[\alpha ][164{,}3\ \mu {\ce {s}}]{^{210}_{82}Pb}->[\beta ^{-}][22{,}26\ {\ce {y}}]{^{210}_{83}Bi}->[\beta ^{-}][5{,}013\ {\ce {d}}]{^{210}_{84}Po}->[\alpha ][138{,}38\ {\ce {d}}]{^{206}_{82}Pb}}}\end{array}}}$ 

(1) Kyk Alfaverval en Betaverval.

• Uraan

  Hierdie artikel is ’n saadjie. Voel vry om Wikipedia te help deur dit uit te brei.