Chemistry, 11.12.2020 09:20 richiearieona1012

Please someone answer this quickly 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.

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Please someone answer this quickly The table shows the amount of radioactive element remaining in a...