3. Selenium-70 decays by beta-plus decay. a. What are the decay products? Explain how you know those are the decay products. b.Selenium-70 has a half life of 41 minutes. How long will it take for the sample to drop to 12.5% of its original amount of radioactive material? Be sure to show all work, including equation symbols, substitution and result.
3. Selenium-70 decays by beta-plus decay. a. What are the decay products? Explain how you know those are the decay products. b.Selenium-70 has a half life of 41 minutes. How long will it take for the sample to drop to 12.5% of its original amount of radioactive material? Be sure to show all work, including equation symbols, substitution and result.
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Transcribed Image Text:3.
Selenium-70 decays by beta-plus decay.
a. What are the decay products? Explain how you know those are
the decay products.
b. Selenium-70 has a half life of 41 minutes. How long will it take
for the sample to drop to 12.5% of its original amount of
radioactive material?
Be sure to show all work, including equation symbols, substitution
and result.
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