Ero sivun ”Uraani-235” versioiden välillä
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p mhchem syntax |
p Botti päivitti vanhentuneen matemaattisen syntaksin; ks. mw:Extension:Math/Roadmap |
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Rivi 14:
\ce{^{235}_{92}U ->[\alpha][7.038 \times 10^8 \ \ce a] ^{231}_{90}Th ->[\beta^-][25.52 \ \ce h] ^{231}_{91}Pa ->[\alpha][3.276 \times 10^4 \ \ce a] ^{227}_{89}Ac}
\begin{Bmatrix}
\ce{->[98.62\% \beta^-][21.773 \ \ce a] ^{227}_{90}Th ->[\alpha][18.718 \ \ce d]} \\
\ce{->[1.38\% \alpha][21.773 \ a] ^{223}_{87}Fr ->[\beta^-][21.8 \ \ce{min}]}
\end{Bmatrix}
\ce{^{223}_{88}Ra ->[\alpha][11,434 \ \ce d] ^{219}_{86}Rn} \\
\ce{^{219}_{86}Rn ->[\alpha][3.96 \ \ce s] ^{215}_{84}Po -> [\alpha][1.778 \ \ce{ms}] ^{211}_{82}Pb ->[\beta^-][36.1 \ \ce{min}] ^{211}_{83}Bi}
\begin{Bmatrix}
\ce{->[99.73\% \alpha][2,13 \ \ce{min}] ^{207}_{81}Tl ->[\beta^-][4,77 \ \ce{min}]} \\
\ce{->[0,27\% \beta^-][2,13 \ \ce{min}] ^{211}_{84} Po ->[\alpha][0,516 \ \ce s]}
\end{Bmatrix}
\ce{^{207}_{82}Pb_{(vakaa)}}
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