Which of the following statements about radioisotopes is true?
A) A radioisotope with a short half -life emits more radiation than the same mass of a radioisotope with a long half life.
B) Radioisotopes with long half-lives are considered dangerous because they may persist for millions of years.
C) Some radioactive elements are accumulated in food.
D) Radioactive radon gas is naturally occurring and presents a potential danger to occupants of homes with basements.
E) All of the above

Question

Quizplus · Accepted Answer

All the statements are true: A radioisotope with a short half-life emits more radiation quickly; long half-lives mean persistence; some radioisotopes accumulate in food; radon is a natural radioactive gas that can accumulate in homes.

Which of the Following Statements About Radioisotopes Is True