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1. What is a half-life?
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1. What is a half-life?

User Myasia
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Answer:

Half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive ..!!

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User Danielpiestrak
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