Atomic Model Proposal Quiz
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Questions and Answers

What did J. J. Thomson propose about the shape of an atom?

  • Irregular with positive charge concentrated at the edges
  • Spherical with uniformly distributed positive charge (correct)
  • Spherical with negative charge uniformly distributed
  • Cubical with concentrated positive charge in the center
  • How did Thomson's model describe the arrangement of electrons within an atom?

  • Clustered at the center of the atom with negative charge
  • Attached to the outer surface of the atom in a linear fashion
  • Embedded into the positively charged sphere for stable electrostatic arrangement (correct)
  • Moving freely around the nucleus in a planar orbit
  • How can J. J. Thomson's atomic model be visualized?

  • As a hollow sphere with negative charges on the outer surface
  • As a layered cake with alternating positive and negative charges
  • As a pudding or watermelon of positive charge with embedded electrons (correct)
  • As a cluster of positive and negative charges randomly distributed
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