Problem: You just discovered a radioactive element with an atomic mass of 250 g/mol. A sample of 5.11 ng of it decays at a rate of 3.00 atoms per second. What is its half-life, in years? Use 6.022 x 1023 for Avogadro's number and 365.25 for the number of days in a year.

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You just discovered a radioactive element with an atomic mass of 250 g/mol. A sample of 5.11 ng of it decays at a rate of 3.00 atoms per second. What is its half-life, in years? Use 6.022 x 1023 for Avogadro's number and 365.25 for the number of days in a year.

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Our tutors have indicated that to solve this problem you will need to apply the First Order Half Life concept. You can view video lessons to learn First Order Half Life. Or if you need more First Order Half Life practice, you can also practice First Order Half Life practice problems.