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V. Compare the half-lives of Carbon-14 and Plutonium-239 and select the statement that is true: Undecayed particles (%) 100 70 50 40- 30 Carbon-14 Plutonium-239 Time (thousand years) O A. Plutonium-239 has a half-life that is longer than the half-life of Carbon-14. B. Carbon-14 has a life that is 1000 years less than the half-life Plutonium-239. C. Both radioisotopes have half-lives that show that 25% of the original isotope is active at 8000 years. D. Both radioisotopes could be used to date the age of meteors in space.

V. Compare the half-lives of Carbon-14 and Plutonium-239 and select the statement that is true: Undecayed particles (%) 100 70 50 40- 30 Carbon-14 Plutonium-239 Time (thousand years) O A. Plutonium-239 has a half-life that is longer than the half-life of Carbon-14. B. Carbon-14 has a life that is 1000 years less than the half-life Plutonium-239. C. Both radioisotopes have half-lives that show that 25% of the original isotope is active at 8000 years. D. Both radioisotopes could be used to date the age of meteors in space.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Half-Lives of Carbon-14 and Plutonium-239** **Graph Analysis:** The graph displays the decay of Carbon-14 and Plutonium-239 over time. The x-axis represents time in thousand years, ranging from 0 to 64. The y-axis shows the percentage of unobserved particles remaining, starting at 100% at time zero. - The red curve represents Carbon-14. Its graph shows a steeper decline, indicating a shorter half-life compared to Plutonium-239. - The blue curve represents Plutonium-239. This curve exhibits a more gradual decline, indicating a longer half-life. **Answer Choices:** - **A.** Plutonium-239 has a half-life that is longer than the half-life of Carbon-14. - **B.** Carbon-14 has a life that is 1000 years less than the half-life Plutonium-239. - **C.** Both radioisotopes have half-lives that show that 25% of the original isotope is active at 8000 years. - **D.** Both radioisotopes could be used to date the age of meteors in space. Choose the statement that is true based on the graph: **A.** Plutonium-239's longer half-life is indicated by its slower decay curve compared to Carbon-14.
Transcribed Image Text:**Half-Lives of Carbon-14 and Plutonium-239** **Graph Analysis:** The graph displays the decay of Carbon-14 and Plutonium-239 over time. The x-axis represents time in thousand years, ranging from 0 to 64. The y-axis shows the percentage of unobserved particles remaining, starting at 100% at time zero. - The red curve represents Carbon-14. Its graph shows a steeper decline, indicating a shorter half-life compared to Plutonium-239. - The blue curve represents Plutonium-239. This curve exhibits a more gradual decline, indicating a longer half-life. **Answer Choices:** - **A.** Plutonium-239 has a half-life that is longer than the half-life of Carbon-14. - **B.** Carbon-14 has a life that is 1000 years less than the half-life Plutonium-239. - **C.** Both radioisotopes have half-lives that show that 25% of the original isotope is active at 8000 years. - **D.** Both radioisotopes could be used to date the age of meteors in space. Choose the statement that is true based on the graph: **A.** Plutonium-239's longer half-life is indicated by its slower decay curve compared to Carbon-14.
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