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Type: Multiple-Choice
Category: Nuclear Chemistry
Level: Grade 10
Tags: half-life
Author: teachchemistry
Last Modified: 7 years ago

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Nuclear Chemistry Question

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Grade 10 Nuclear Chemistry

What is the total number of years that passes before only 6.25 grams of an original 25-gram sample of C-14 remains unchanged?
  1. 5,715 years
  2. 11,430 years
  3. 17,145 years
  4. 2,857.5 years