
Geoscience QTR 2 2017 review
Authored by undefined Garcia
Other Sciences
6th - 12th Grade
CCSS covered
Used 1+ times

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31 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
15 mins • 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
4.
MULTIPLE CHOICE QUESTION
45 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
45 sec • 1 pt
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
Tags
CCSS.HSF.LE.A.4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is Half-life?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
After the third half-life, how much of a radioactive sample is left?
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