Question
A Geiger counter is used to measure the activity of a sample of iodine-131. Based on the data, what is the half-life of iodine-131?
A. 16 days
B. 8 days
C. 4 days
D. 12 days
A. 16 days
B. 8 days
C. 4 days
D. 12 days
Answers
Steve
uh, which data?
Kattrina
8 days. Just took the quiz