Bohr Model of the Atom
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Questions and Answers

What did the Bohr model consist of?

  • A dense nucleus surrounded by orbiting electrons (correct)
  • A large nucleus and stationary electrons
  • Multiple nuclei with revolving electrons
  • A single electron revolving around the nucleus
  • Which model did the Bohr model ultimately replace?

  • Plum pudding model
  • Quantum model
  • Rutherford model (correct)
  • Solar System model
  • Who presented the Bohr model of the atom in 1913?

  • Niels Bohr (correct)
  • Jean Perrin
  • Joseph Larmor
  • Hantaro Nagaoka
  • What key success of the Bohr model lies in explaining?

    <p>Rydberg formula for hydrogen's spectral emission lines</p> Signup and view all the answers

    How did the Bohr model provide a justification for the fundamental physical constants?

    <p>By introducing new quantum mechanical interpretations</p> Signup and view all the answers

    Explain the concept of wave-particle duality in quantum mechanics.

    <p>Quantum entities exhibit particle or wave properties according to the experimental circumstances, expressing the inability of classical concepts to fully describe their behavior.</p> Signup and view all the answers

    What historical discoveries led to the development of the concept of duality?

    <p>The discoveries that light behaves as a wave and later as particles, and that electrons act as particles but later exhibit wavelike aspects.</p> Signup and view all the answers

    How did Thomas Young's interference experiments and François Arago's detection of the Poisson spot contribute to the understanding of wave-particle duality?

    <p>They validated Huygen's wave models, which initially challenged the particle model of light.</p> Signup and view all the answers

    What role did Max Planck play in challenging the wave model of light?

    <p>Planck's law for black-body radiation in 1901 challenged the wave model by introducing discrete energy increments.</p> Signup and view all the answers

    How did Einstein's interpretation of the photoelectric effect contribute to the concept of wave-particle duality?

    <p>Einstein's interpretation introduced the concept of photons with discrete energies, indicating particle behavior.</p> Signup and view all the answers

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