Rutherford's Atomic Model and Gold Foil Experiment
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Questions and Answers

What did Rutherford's atomic model suggest about the structure of an atom?

  • The atom consists of a positively charged nucleus surrounded by negatively charged electrons. (correct)
  • The atom's electrons are arranged in specific quantized energy levels around the nucleus.
  • The atom is a solid, indivisible sphere with no internal structure.
  • The atom contains a cloud of positive and negative charges distributed throughout its volume.

    • Which experiment led Rutherford to propose his atomic model?

  • Cathode ray tube experiment
  • Photoelectric effect experiment
  • Gold foil experiment (correct)
  • Oil drop experiment

    • In Rutherford's gold foil experiment, most alpha particles passed through the foil because:

  • The electrons in the gold atoms absorbed the alpha particles and re-emitted them in random directions.
  • The alpha particles were repelled by the dense, positively charged nucleus of the gold atoms.
  • The nucleus of the gold atoms was too small to deflect the alpha particles significantly. (correct)
  • The alpha particles were able to penetrate the empty space within the gold atoms.

    • What were the major shortcomings of Rutherford's atomic model?

    <p>The major shortcomings of Rutherford's atomic model were that it could not explain the stability of an atom and the presence of electrons in the atom.</p> Signup and view all the answers

    How did Rutherford's model contribute to the development of the modern atomic model?

    <p>Rutherford's model contributed to the development of the modern atomic model by proposing the existence of a dense, positively charged nucleus within an atom, surrounded by orbiting electrons.</p> Signup and view all the answers

    What was the significance of Rutherford's gold foil experiment in the development of atomic theory?

    <p>The significance of Rutherford's gold foil experiment was that it demonstrated the existence of a small, dense nucleus within the atom, leading to the proposal of the nuclear model of the atom.</p> Signup and view all the answers

    What key aspect of the atom did Rutherford's model fail to explain?

    <p>The arrangement of electrons in the atom</p> Signup and view all the answers

    Which feature of Bohr's atomic model directly addressed the failure of Rutherford's model?

    <p>The quantization of energy levels</p> Signup and view all the answers

    What property of an atom do isotopes have in common with each other?

    <p>Electron configuration</p> Signup and view all the answers

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