Among the following radioactive parent isotopes, which has the shortest half-life?
A)uranium-238
B)potassium-40
C)rubidium-87
D)carbon-14

Question

Quizplus · Accepted Answer

Carbon-14 has the shortest half-life among the given options, with a half-life of around 5730 years. In contrast, uranium-238 has a half-life of 4.5 billion years, potassium-40 has a half-life of 1.25 billion years, and rubidium-87 has a half-life of 48.8 billion years.

Among the Following Radioactive Parent Isotopes, Which Has the Shortest