Radioactive Decay Quizzes & Trivia


Isotopes and radioactive decay

Questions: 7  |  Attempts: 607   |  Last updated: Dec 13, 2012
  • Sample Question
    An isotope has the same number of _________, but different numbers of _____________.

Prepare for the mini-quiz

Questions: 16  |  Attempts: 24   |  Last updated: Dec 26, 2018
  • Sample Question
    Which type of decay leads to the change:

13.2 Radioactive decay

Questions: 11  |  Attempts: 10   |  Last updated: Jun 3, 2013
  • Sample Question
    the decay rate of a radioisotope is measured in




Radioactive Decay Questions and Answers


  • An isotope has the same number of _________, but different numbers of _____________.
    Radioactive decay question from

  • What is emitted during beta decay?
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  • What is emitted during alpha decay?
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  • Which type of decay leads to the change:
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  • Which type of decay leads to this change:
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  • Which type of decay leads to the following change:
    Radioactive decay question from

  • the decay rate of a radioisotope is measured in
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  • Find the number of atoms in of 2.4g Uranium 238  
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  • If there are a million atoms of a radioisotope and the decay constant is 0.0001 s-1, how many will decay in the first second?
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  • The nucleus of a particular form of carbon (chemical symbolC) contains 6 protons and 7 neutrons. Which of the following isthe correct way to represent it?
    Radioactive decay question from

  • A particular nuclide of iron (chemical symbol Fe) is representedas follows:
    Radioactive decay question from

  • Which symbol represents a beta particle?
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