Two different substances contain the same number N of radioactive atoms.
| April 29, 2021 | education
Two different substances contain the same number N of radioactive atoms. The half-life of the first of them is 1 year, the second is 4 years. Which of the substances is more active?
A shorter half-life of one of the substances means that its atoms disintegrate more often, respectively, the activity of this substance is greater.
Of substances with half-lives of 1 year and 4 years, the one with a half-life of 1 year will be more active.
Answer: A substance with a half-life of 1 year is more active.
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