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Type: Multiple-Choice
Category: Nuclear Chemistry
Level: Grade 9
Tags: half-life
Author: kariftw
Last Modified: 2 years ago

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Nuclear Chemistry Question

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Grade 9 Nuclear Chemistry

The half-life of cobalt-60 is 5.26 years. How many half-lives have passed in 10.52 years?
  1. 2
  2. .5
  3. 3
  4. 1/4
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