Which of the Following Statements About Radioisotopes Is True

question 33

Multiple Choice

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

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