Chapter 33: Atomic Nucleus And Radioactivity

68 Questions | Total Attempts: 187

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Nuclear Science Quizzes & Trivia

Questions and Answers
  • 1. 
    X-rays may be regarded as
    • A. 

      High frequency sound waves.

    • B. 

      High frequency radio waves.

    • C. 

      Both of these

    • D. 

      None of these

  • 2. 
     X-rays are similar to
    • A. 

      Alpha rays.

    • B. 

      Beta rays.

    • C. 

      Gamma rays.

    • D. 

      All of these

    • E. 

      None of these

  • 3. 
    Which radiation has no electric charge associated with it?
    • A. 

      Alpha rays

    • B. 

      Beta rays

    • C. 

      Gamma rays

    • D. 

      All of these

    • E. 

      None of these

  • 4. 
    Both X-rays and gamma rays are emitted from
    • A. 

      Different parts of the atom.

    • B. 

      A variety of certain atomic nuclei.

  • 5. 
    The sources of X-rays and gamma rays, respectively, are
    • A. 

      Electron clouds and the atomic nucleus.

    • B. 

      The atomic nucleus and electron clouds.

    • C. 

      Both electron clouds.

    • D. 

      Both the atomic nucleus.

    • E. 

      None of these

  • 6. 
    A nucleon is either
    • A. 

      A positron or an electron.

    • B. 

      A proton or an electron.

    • C. 

      A neutron or an electron.

    • D. 

      A proton or a neutron.

  • 7. 
    The mass of an atomic nucleon is nearly
    • A. 

      Twice the mass of an electron.

    • B. 

      Four times the mass of an electron.

    • C. 

      A thousand times the mass of an electron.

    • D. 

      Two thousand times the mass of an electron.

  • 8. 
    Once an alpha particle is outside the nucleus it is
    • A. 

      Free to wander about the nucleus.

    • B. 

      Quickly bound to a neighboring nucleus.

    • C. 

      Electrostatically repelled.

    • D. 

      Radioactive.

  • 9. 
    When a nucleus emits a beta particle, its atomic number
    • A. 

      Remains constant, but its mass number changes.

    • B. 

      Remains constant, and so does its mass number.

    • C. 

      Changes, but its mass number remains constant.

    • D. 

      Changes, and so does its mass number.

    • E. 

      None of these

  • 10. 
    A quark is
    • A. 

      An elementary particle.

    • B. 

      A building block of nucleons.

    • C. 

      A building block of hadrons.

    • D. 

      All of these

    • E. 

      None of these

  • 11. 
    An atom with an imbalance of electrons to protons is
    • A. 

      A hadron.

    • B. 

      A baryon.

    • C. 

      An ion.

    • D. 

      An isotope.

    • E. 

      None of these

  • 12. 
    The atomic number of an element is the same as the number of its
    • A. 

      Protons.

    • B. 

      Neutrons.

    • C. 

      Nucleons.

    • D. 

      Neither of these

  • 13. 
    The atomic mass number of an element is the same as the number of its
    • A. 

      Protons.

    • B. 

      Neutrons.

    • C. 

      Nucleons.

    • D. 

      None of these

  • 14. 
    Deuterium and tritium are both
    • A. 

      Forms of hydrogen.

    • B. 

      Isotopes of the same element.

    • C. 

      Both of these

    • D. 

      Neither of these

  • 15. 
    Different isotopes of an element have different numbers of
    • A. 

      Protons.

    • B. 

      Hadrons.

    • C. 

      Photons.

    • D. 

      Neutrons.

    • E. 

      None of these

  • 16. 
    Electric forces within an atomic nucleus tend to
    • A. 

      Hold it together.

    • B. 

      Push it apart.

    • C. 

      Neither of these

  • 17. 
    Generally speaking, the larger a nucleus is, the greater its
    • A. 

      Stability.

    • B. 

      Instability.

    • C. 

      Neither stability nor instability

  • 18. 
    The half-life of an isotope is one day. At the end of two days the amount that remains is
    • A. 

      None.

    • B. 

      One-half.

    • C. 

      One-quarter.

    • D. 

      One-eighth.

    • E. 

      None of these

  • 19. 
    The half-life on an isotope is one day. At the end of three days, how much of the isotope remains?
    • A. 

      None

    • B. 

      One-half

    • C. 

      One-quarter

    • D. 

      One-eighth

    • E. 

      None of these

  • 20. 
    The half-life of a radioactive substance is INDEPENDENT of
    • A. 

      The number (if large enough) of atoms in the substance.

    • B. 

      Whether the substance exists in an elementary state or in a compound.

    • C. 

      The temperature of the substance.

    • D. 

      The age of the substance.

    • E. 

      All of these

  • 21. 
    The operation of a cloud chamber relies on
    • A. 

      Magnetization.

    • B. 

      Evaporation.

    • C. 

      Acceleration.

    • D. 

      Polarization.

    • E. 

      Condensation.

  • 22. 
    When an element undergoes nuclear transmutation, the result is a completely different
    • A. 

      Isotope of the same element.

    • B. 

      Ion of the same element.

    • C. 

      Element.

  • 23. 
    When an alpha particle is ejected from a nucleus, the nucleus then has less
    • A. 

      Mass.

    • B. 

      Charge.

    • C. 

      Both of these

    • D. 

      Neither of these

  • 24. 
    When a beta particle is ejected from a nucleus, the nucleus then has a greater
    • A. 

      Mass.

    • B. 

      Charge.

    • C. 

      Both of these

    • D. 

      Neither of these

  • 25. 
    When a beta particle is ejected from a nucleus, the nucleus then has slightly
    • A. 

      Greater mass and charge.

    • B. 

      Greater mass and smaller charge.

    • C. 

      Smaller mass and significantly greater charge.

    • D. 

      Smaller charge and significantly greater mass.

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