Basic Half-Life practice
Authored by Samuel Janzen
Mathematics
8th Grade
CCSS covered
Used 21+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
Tags
CCSS.HSF.LE.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
Tags
CCSS.HSF.LE.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of iodine-131?
Tags
CCSS.HSF.LE.A.1
CCSS.HSF.LE.A.2
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?
Tags
CCSS.HSF.LE.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fermium-253 has a half-life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half-lives. How much time will elapse for this sample to be considered gone?
Tags
CCSS.HSF.LE.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
Tags
CCSS.HSF.LE.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
Tags
CCSS.HSF.LE.A.4
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