Topic 12 - 12.2 - Alpha and Beta Equations, Half-Lives Flashcards

1
Q

What does a half life measure?

A

Half life of a radioisotope is the average time it takes for:
* Number of nuclei in the radioisotope in a sample to halve
* Count rate from the isotope in a sample to become half of its initial value

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2
Q

What is carbon dating?

A

Scientific method used to determine the age of organic materials by measuring the amount of C14 remaining in the sample.

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