Which Properties Does Uranium-238 Have? Select the TWO Answers That

question 214

Multiple Choice

Which properties does uranium-238 have? Select the TWO answers that are correct.

• A) Its half-life is 4.5 billion years.
• B) Its half-life is 2.0 billion years.
• C) It can date organic samples that are thousands of years old.
• D) It is a radioactive isotope that decays to nonradioactive argon-40.
• E) It is a radioactive isotope that decays in a predictable fashion.

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