Radioactive dating gcse questions
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The release of radiation is also a random event and overtime the activity of the radioactive material decreases.
It is not possible to predict when an individual nucleus in a radioactive material will decay.
What is the activity of the radioisotope after 3 half lives?
When home owners, in areas where radon gas is produced, were told of the risks, very few too notice.
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This is called the half life of radioactive material or radioisotope.At the start of the measurement the radioisotope has 10,000 unstable nuclei.
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