Lesson 3.2 Review
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Last updated about 5 hours ago
5 questions
Required
1
In a sample with a half-life of 10 years, what percentage remains after 20 years?
In a sample with a half-life of 10 years, what percentage remains after 20 years?
Required
1
What is the half-life of the parent isotope shown?
What is the half-life of the parent isotope shown?
Required
1
How much material will remain after 3 half lives?
How much material will remain after 3 half lives?
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1
At what point is the amount of parent atoms the same amount as the daughter atoms?
At what point is the amount of parent atoms the same amount as the daughter atoms?
Required
1
If 24 g of a 384 g radioactive sample remains after 18 hours, what is the half-life of the material? (write your answer as # hours)
If 24 g of a 384 g radioactive sample remains after 18 hours, what is the half-life of the material? (write your answer as # hours)