Types of Decay Quiz

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Questions and Answers

Which of the following is a type of decay?

  • Decay that occurs due to excessive heat
  • Decay that occurs due to exposure to sunlight
  • Decay that occurs due to physical damage
  • Decay that occurs due to bacterial growth (correct)

Which of the following is NOT a type of decay?

  • Decay that occurs due to lack of oxygen
  • Decay that occurs due to chemical reactions
  • Decay that occurs due to radioactive decay
  • Decay that occurs due to friction (correct)

What are some common causes of decay?

  • Excessive heat
  • Excessive physical activity
  • Excessive sunlight
  • Excessive moisture (correct)

Which particle is emitted in alpha decay?

<p>Helium nucleus (A)</p> Signup and view all the answers

Which of the following is true about alpha decay?

<p>Alpha decay occurs when there is too much mass. (D)</p> Signup and view all the answers

What happens to the mass number in alpha decay?

<p>It decreases. (B)</p> Signup and view all the answers

Which of the following is an example of alpha decay?

<p>238U -&gt; 234Th + 4He + energy (D)</p> Signup and view all the answers

Why do atoms heavier than uranium-238 decay by alpha emission?

<p>They have too much mass. (B)</p> Signup and view all the answers

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