7.1 Atomic Physics

11 Questions

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Atomic Physics Quizzes & Trivia

Atomic Physics - nuclear atom


Questions and Answers
  • 1. 
    In the Geiger Marsden experiment, alpha particles are scattered by gold nuclei.  The experimental results indicate that most alpha particles are:
    • A. 

      Scattered only at small angles

    • B. 

      Scattered only at large angles

    • C. 

      Absorbed in the target

    • D. 

      Scattered back along the original direction

  • 2. 
  • 3. 
    In the Geiger Marsden experiment, occasionally an alpha particle bounced back off the gold leaf.  What may be concluded from this observation?
  • 4. 
    • A. 

      All have the same mass.

    • B. 

      All have the same number of nucleons.

    • C. 

      All have the same number of neutrons.

    • D. 

      All have the same number of protons.

  • 5. 
    The existence of isotopes provides evidence for the presence of
    • A. 

      Electrons in atomic energy levels.

    • B. 

      Electrons in the nuclei of atoms.

    • C. 

      Neutrons in the nuclei of atoms.

    • D. 

      Protons in the nuclei of atoms.

  • 6. 
    Which of the following provides evidence for the existence of atomic energy levels?
    • A. 

      Alpha-particle scattering

    • B. 

      Continuous emission spectra

    • C. 

      Discrete energies of gamma radiation

    • D. 

      Line absorption spectra

  • 7. 
    Which of the following identifies the significant interaction(s) between nucleons inside the nucleus?
    • A. 

      Nuclear only

    • B. 

      Coulomb only

    • C. 

      Weak Nuclear and Coulomb

    • D. 

      Gravitational, nuclear and Coulomb

    • E. 

      Strong Nuclear and Coulomb

  • 8. 
    The Geiger-Marsden alpha particle scattering experiment provides evidence for the existence of
    • A. 

      Atomic nuclei.

    • B. 

      Neutrons.

    • C. 

      Protons.

    • D. 

      Nuclear energy levels.

  • 9. 
    The number of nucleons in a nucleus is the number of
    • A. 

      Particles in the nucleus.

    • B. 

      Neutrons in the nucleus.

    • C. 

      Protons in the nucleus.

    • D. 

      Protons plus neutrons in the nucleus.

  • 10. 
    The atomic line spectra of elements provides evidence for the existence of
    • A. 

      Protons

    • B. 

      Electrons

    • C. 

      Neutrons

    • D. 

      Quantized energy states within nuclei

    • E. 

      Quantized energy states within atoms

  • 11. 
    Are there any problems you have had with this topic?  Are there any specific parts you want me to go over in class?