What is name of the term that describes the time that it takes for 50% of a radioisotope to decay?

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Misael

2 May, 10:21

What is name of the term that describes the time that it takes for 50% of a radioisotope to decay?

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Anton · Answer 1

Half-life is the term that describes the time that it takes for 50% of a radioisotope to decay. The opposite of half-life is doubling time. Half-life is a constant value over the lifetime of a decaying quantity exponentially. It is not only used in radioactive decay, it is also used in how long unstable atoms will decay or how long stable atoms survive.