Ask Question
5 August, 08:02

A sample of radium-226 contains 1.0*108 atoms of radium-226. How many atoms of radium-226 will remain in the sample after three half-lives?

+1
Answers (1)
  1. 5 August, 08:55
    0
    After 3 half lives it will be (1/2) ^3 or 1/8 of original

    so

    1/8 times 10^8=1.25 x 10⁶ atoms left
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A sample of radium-226 contains 1.0*108 atoms of radium-226. How many atoms of radium-226 will remain in the sample after three half-lives? ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers