Suppose you found 80g of a glowing substance that was clearly radioactive. You put it in your pocket and went home with it, which took 1 hour. You measured the amount of radioactive material when you got home and discovered there was only 10g left. What is the half-life of this substance?

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter24: Nuclear Chemistry
Section24.2: Radioactive Decay
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Suppose you found 80g of a glowing substance that was clearly radioactive. You put it in your pocket and went home with it, which took 1 hour. You measured the amount of radioactive material when you got home and discovered there was only 10g left. What is the half-life of this substance?

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