Which of the following radioactive isotopes has the shortest half-life?
A)carbon-14
B)potassium-40
C)rubidium-87
D)uranium-238

Name: Which of the following radioactive isotopes has the shortest half-life? A)carbon-14 B)potassium-40 C)rubidium-87 D)uranium-238
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Question

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Carbon-14 has a half-life of about 5,730 years, which is significantly shorter than the half-lives of potassium-40 (about 1.25 billion years), rubidium-87 (about 49 billion years), and uranium-238 (about 4.5 billion years).

Which of the Following Radioactive Isotopes Has the Shortest Half-Life