Multiple Choice
A pure sample of 226Ra contains 2.3 × 1013 atoms of the isotope.If the half-life of 226Ra = 1.6 × 103 years,what is the activity of this sample?
A) 1.4E+10 decays/yr
B) 1.0E+10 decays/yr
C) 3.2E+2 decays/yr
D) 3.7E+16 decays/yr
E) 6.2E+6 decays/yr
Correct Answer:
Verified
Correct Answer:
Verified
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