Chemistry, 11.05.2021 20:40 derpmuffin47
(04.07 HC)
The table shows the amount of radioactive element remaining in a sample over a period of time.
Radioactive Decay Rate
Amount of Radioactive Sample Time
(grams)
(years)
56.0
0
47.1
400
39.6
800
33.3
1,200
28
1,600
Part 1: What is the half-life of the element? Explain how you determined this.
Part 2: How long would it take 312 g of the sample to decay to 9.75 grams? Show your work or explain your answer.
Answers: 3
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(04.07 HC)
The table shows the amount of radioactive element remaining in a sample over a period of...
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