emory1717 emory1717
  • 19-12-2022
  • Chemistry
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all radioactive decay follows first-order kinetics. strontium-90, a naturally- occurring isotope of strontium, undergoes beta-decay with a half-life of 28.0 years. how long (in years) will it take for 99% of the strontium-90 in a rock specimen to decay?

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