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Physics
Radioactivity
What is the half-life of polonium-218 if 5.37 minutes are required for the activity of a sample of polonium-218 to fall to 29.5 percent of its original value?
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the half-life of polonium-218 is 3.0 minutes. what percentage of the original sample remains after 4 half-lives?
Top answer:
amount left= (1/2)^4=1/2^4=1/4^2=1/16
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The half-life of polonium-218 is 3.0 minutes. If you start with 30.0 g, how long will it be before only 1.1 g remains?
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Any idea how to get started on this?
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Consider that the half-life of Polonium-210 is 140 days.What approximate daily percentage of decay does Polonium-210
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To find the number of half-lives that occur in 1104 days, we divide 1104 by 138: 1104 / 138 =
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Suppose a laboratory has a 31 g sample of polonium-210. The half-life of polonium-210 is about 138
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