Half Life P2

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Radioactive Decay - Half Lives

You use a Gieger Counter to measure radioactivity from a radioactive element or isotope

Radioactive decay involves the substance's nuclei

When a nucleus decays it turns into a different one

It is very difficult to know which nucleus will decay next

You can measure how long it takes for half of the nuclei to decay by a half

Half life is the average time taken for half

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