Chemistry, 04.10.2019 23:00 natalieburnett82
The table shows the amount of radioactive element remaining in a sample over a period of time.
radioactive decay rate
amount of radioactive sample
(grams) time
(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.
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The table shows the amount of radioactive element remaining in a sample over a period of time.
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