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A Tiny Speck (8

Question 102

Multiple Choice

A tiny speck (8.3 A tiny speck (8.3 10-7 mol) of radioactive americium-241 is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors? A) 5.0 1017 B) 1.2 1020 C) 2.9 1022 D) 6.0 1023 E) 8.3 107 10^-7 mol) of radioactive americium-241 is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors?

A) 5.0 A tiny speck (8.3 10-7 mol) of radioactive americium-241 is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors? A) 5.0 1017 B) 1.2 1020 C) 2.9 1022 D) 6.0 1023 E) 8.3 107 10¹⁷
B) 1.2 A tiny speck (8.3 10-7 mol) of radioactive americium-241 is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors? A) 5.0 1017 B) 1.2 1020 C) 2.9 1022 D) 6.0 1023 E) 8.3 107 10²⁰
C) 2.9 A tiny speck (8.3 10-7 mol) of radioactive americium-241 is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors? A) 5.0 1017 B) 1.2 1020 C) 2.9 1022 D) 6.0 1023 E) 8.3 107 10²²
D) 6.0 10²³
E) 8.3 A tiny speck (8.3 10-7 mol) of radioactive americium-241 is used in smoke detectors. How many atoms of americium-241 are there in one of these smoke detectors? A) 5.0 1017 B) 1.2 1020 C) 2.9 1022 D) 6.0 1023 E) 8.3 107 10⁷

A Tiny Speck (8

Multiple Choice

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