
Half-Life Quiz
Authored by James Eveland
Chemistry
9th - 12th Grade
CCSS covered
Used 78+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is Half-life?
Tags
NGSS.HS-PS1-8
2.
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
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Pd-100 has a half-life of 3.6 days. If one had 620,310,740 atoms at the start, how many atoms would be present after 21.6 days?
Tags
CCSS.HSF.LE.A.4
4.
MULTIPLE CHOICE QUESTION
15 mins • 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
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The half life of iodine-131 is 8.040 days. What percentage of an iodine-131 sample will remain after 40.20 days?
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
15 mins • 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
15 mins • 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
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