Chemistry, 15.10.2020 02:01 jessd18

(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) (hours)
186.0. 0
147.0 7
117.0 14
93.0 21
23.3 63
Part 1: What is the half-life of the element? Explain how you determined this.
Part 2: How long would it take 320 g of the sample to decay to 2.5 grams? Show your work or explain your answer.

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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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