Radioactive Decay Equations

Posted in A2 Unit 5: Radioactivity, AQA A2 Unit 5 by Mr A on 20 Jan 2010

\alpha emission

 

^{A}_{Z}X \ \rightarrow \ ^{A-4}_{Z-2}Y \ + \ ^{4}_{2}\alpha

 

\beta^{-} emission

 

^{A}_{Z}X \ \rightarrow \ ^{A}_{Z+1}Y \ + \ ^{0}_{-1}\beta \ + \ \bar{\nu_{e}}

 

\beta^{+} emission

 

^{A}_{Z}X \ \rightarrow \ ^{A}_{Z-1}Y \ + \ ^{0}_{1}\beta \ + \ \nu_{e}

 

Electron capture

 

^{A}_{Z}X \ + \ ^{0}_{-1}e \rightarrow \ ^{A}_{Z-1}Y \ + \ \nu_{e}

 

\gamma emission

 

^{A}_{Z}X \ \rightarrow \ ^{A}_{Z}X \ + \ ^{0}_{0}\gamma

 

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