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Radioactivity Questions and Answers

Test your knowledge of radioactivity with these trivia questions. Learn about elements, doses, risks, and famous cases.

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Radioactivity Questions and Answers

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  1. Which of the following is NOT radioactive? • Uranium • Your textbook • Vodka • Fossil Fuels D Answer:

  2. Which of the following has the smallest atomic number? • Carbon • Plutonium • Lithium • Nitrogen C Answer:

  3. Alexander Litvinenko was assassinated by… • Plutonium • Tritium • Radium • Polonium D Answer:

  4. With a radiation dose of 150 rems, how large are the chances of excess cancer? • Less than 2% • About 7% • Greater then 12% • About 76% B Answer:

  5. What is the typical dose for a dental X-ray? • About 0.001 rems • About 1 rem • About 100 rems • About 10,000 rems A Answer:

  6. In the next 50 years, how many people in the U.S. will die from cancer induced by their own radioactivity? • Less than 5 • About 1800 • Greater than 10,000 • About 250 million B Answer:

  7. If the half-life of an element is big, that means it… • Decays faster than one with a small half-life • Decays slower than one with a small half-life • Belongs to a very heavy element • Emits lots of neutrons when it decays B Answer:

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