ConcepTest: Einsteinium Half-life
The isotope Einsteinium-253 has a half-life of 20 days. If you began an experiment with an 80-gram sample of Einsteinium-253, how much would remain after 60 days?
a. 60 grams
b. 40 grams
c. 20 grams
d. 10 grams
No data yet. The correct response is d.
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References and Notes:
Resource TypeActivities:Classroom Activity:Short Activity:
Grade LevelCollege Lower (13-14):
Ready for Use
Ready to Use
Earth System Topics
Time/Earth History, Solid Earth:Earth Materials:
Geochemistry, Chemistry/Physics/Mathematics, Time/Earth History
ThemeTeach the Earth:Teaching Environments:
Intro Geoscience, Teach the Earth:Course Topics: