Multiple Choice
A sample contains 1000 nuclei of a radioactive isotope of barium. Exactly sixty seconds later, 970 nuclei in the sample have decayed. Determine the half-life of this isotope.
A) 10 s
B) 12 s
C) 14 s
D) 16 s
E) 18 s
Correct Answer:
Verified
Correct Answer:
Verified
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