26
QuizMultiple Choice

Nuclear Energy — Cumulative exam

Question 26 • S1S: Chemistry B (E4912 - AG)

A 60.0-g sample of fermium-253 was placed in a sealed vessel 9.0 days ago. Only 7.5 g of this isotope is now left. What is the half-life of fermium-253?

Answer
A
3.0 days
B
4.5 days
C
17.5 days
D
20.0 days
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