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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

Iodine-131 has a half-life of 8 days. If the amount of iodine-131 in a sample is 8 g, how much iodine-131 will remain after 32 days?
  1. 2 g
  2. 0.5 g
  3. 5 g
  4. 0.25 g
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