Multiple Choice
A tiny speck (2.0 * 10-4 g) of radioactive americium-241 (241.06 g/mol) is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors?
A) 5.0 * 1017 atoms
B) 1.2 * 1020 atoms
C) 2.9 * 1022 atoms
D) 6.0 * 1023 atoms
E) 8.3 * 107 atoms
Correct Answer:
Verified
Correct Answer:
Verified
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