## Radioactive Decay Equations

** emission**

** emission**

** emission**

**Electron capture**

** emission**

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## Radioactive Dice (Advanced)

This experiment investigates the random nature of radioactivity by studying the nature of another random process, rolling several dice at once. After each roll a certain number is removed (based on the ‘instability’ of the atoms we are modelling). The decay pattern follows an exponential decline, given by

Taking logs of both sides we find:

This means that if we plot a graph of *ln|N|* against *t*, we should find a straight line with gradient *λ*.

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