Question:
Complete the following decay schemes.
(a) ${ }_{88}^{226} R a \rightarrow \alpha+{ }_{86}^{112} R n$
(b) ${ }_{8}^{19} \mathrm{O} \rightarrow{ }_{9}^{19} F+{ }_{-1} e^{0}$
(c) ${ }_{13}^{25} \mathrm{Al} \rightarrow{ }_{12}^{25} \mathrm{Mg}+{ }_{1} e^{0}$
Solution:
(a) ${ }_{88}^{226} R a \rightarrow{ }_{2}^{4} \propto+{ }_{26}^{112} R n$
(b) ${ }_{8}^{19} O \rightarrow{ }_{9}^{19} F+{ }_{n}^{0} \beta+{ }_{0}^{0} \overline{\mathrm{v}}$
(c) ${ }_{13}^{25} \mathrm{Al} \rightarrow{ }_{12}^{25} \mathrm{Mg}+{ }_{-1}^{0} e+{ }_{0}^{0} \overline{\mathrm{v}}$
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