Chemistry, 04.12.2021 01:00 anymouse3455
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(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.
(Please help me, will mark brainliest)
Answers: 3
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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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