5
QuizMultiple Choice
Half-Life
Question 5 of 10 • R282: GR CA-Chemistry B (Grade Repair)
The table below shows a list of radioisotopes and their half-lives.The radioisotope that has the longest half-life is the best to use in powering planet and space exploration vehicles because they can travel farther. Which radioisotope is the best to use?
Answer
A
lithium-5B
uranium-240C
carbon-14D
plutonium-239