In radioactivity, half-life refers to the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay. If the half-life is 1 000 years, which of the following alternatives is the best approximation of the time, when 7/8 of nuclei have decayed and 1/8 are remaining?

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In radioactivity, half-life refers to the interval
of time required for one-half of the atomic
nuclei of a radioactive sample to decay. If
the half-life is 1 000 years, which of the
following alternatives is the best
approximation of the time, when 7/8 of
nuclei have decayed and 1/8 are remaining?
O 1000 years
3 000 years
O 4000 years
O 7 000 years
OI will leave this question unanswered
Transcribed Image Text:In radioactivity, half-life refers to the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay. If the half-life is 1 000 years, which of the following alternatives is the best approximation of the time, when 7/8 of nuclei have decayed and 1/8 are remaining? O 1000 years 3 000 years O 4000 years O 7 000 years OI will leave this question unanswered
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