Multiple Choice
A particular isotope has a half-life of 10 minutes. If we start with 2,000 atoms now, in a half hour we will have how many atoms left?
A) 2,000 atoms
B) 1,000 atoms
C) 500 atoms
D) 250 atoms
E) 125 atoms
Correct Answer:

Verified
Correct Answer:
Verified
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