A scientist kept 1,000 gram samples of radioactive carbon, radium, and plutonium in three different containers. The table below shows the half-lives of the three radioactive materials.
Radioactive Material Half-life (in years)
carbon 5,700
radium 1,620
plutonium 6,563
Based on the table, which of these conclusions is most likely correct?
A. After 20,000 years, approximately 250 grams of carbon and radium will be left in the containers.
B. After 6,000 years, approximately 500 grams of carbon and plutonium will be left in the containers.
C. After 6,000 years, approximately 250 grams of carbon and radium will be left in the containers.
D. After 20,000 years, approximately 500 grams of carbon and plutonium will be left in the containers.
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A scientist kept 1,000 gram samples of radioactive carbon, radium, and plutonium in three different...
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