Atomic Physics and the Bohr Model Quiz
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Questions and Answers

Which model of the atom did the Bohr model ultimately replace?

  • Perrin's model
  • Larmor's Solar System model
  • Nagaoka's Saturnian model (correct)
  • Haas's quantum model
  • What force provides attraction in the Bohr model of the atom?

  • Magnetic force
  • Nuclear force
  • Gravity
  • Electrostatic force (correct)
  • Which model of the atom was proposed by Arthur Haas?

  • Haas's quantum model (correct)
  • Larmor's Solar System model
  • Perrin's model
  • The plum pudding model
  • What is the main improvement of the Bohr model over the Rutherford model?

    <p>Introduction of quantum mechanics</p> Signup and view all the answers

    Which model of the atom is analogous to the structure of the Solar System?

    <p>The Bohr model</p> Signup and view all the answers

    Which model of the atom did the Rutherford model overturn in 1911?

    <p>Plum pudding model</p> Signup and view all the answers

    What did the Rutherford model propose about the atom's nucleus?

    <p>It was positively charged</p> Signup and view all the answers

    What experiment did Rutherford use to demonstrate the existence of the atomic nucleus?

    <p>Gold foil experiment</p> Signup and view all the answers

    What did Rutherford's gold foil experiment reveal about the atom?

    <p>The atom has a tiny and heavy nucleus</p> Signup and view all the answers

    What did Rutherford's new model for the atom propose about the central volume?

    <p>It contained most of the atom's mass</p> Signup and view all the answers

    According to the Geiger-Marsden experiments, every atom has a nucleus where all of its positive charge and most of its mass is concentrated.

    <p>True</p> Signup and view all the answers

    Who conducted the Geiger-Marsden experiments?

    <p>Hans Geiger</p> Signup and view all the answers

    Which prevailing theory of atomic structure did the Geiger-Marsden experiments overturn?

    <p>Plum pudding model</p> Signup and view all the answers

    What did J. J. Thomson's plum pudding model propose about the atom?

    <p>Electrons are distributed throughout a sphere of positive charge.</p> Signup and view all the answers

    When were the Geiger-Marsden experiments performed?

    <p>1908-1913</p> Signup and view all the answers

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