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cassandra_dan cassandra_dan
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2 weeks ago

The radiochemist, Will I. Glow, studied thorium-232 and found that 2.82 × 10–7 moles emitted 8.42 × 106α particles in one year. What is the decay constant for thorium-232?



3.35 × 10–14 yr–1



4.96 × 10–11 yr–1



1.40 × 1010 yr–1



2.99 × 1013 yr–1



▸ None of the answers is correct.
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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ixi12ixi12
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Helped a lot
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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this is exactly what I needed
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