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The Early Atom
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The Rutherford Model

Thomson's Model vs. Rutherford's Model

Thomson's Model vs. Rutherford's Model

Top: Expected results -- alpha particles pass through the plum pudding model of the atom undisturbed. Bottom: Observed results -- a small portion of the particles were deflected, indicating a small, concentrated positive charge. (Note that the image is not to scale; in reality the nucleus is vastly smaller than the electron shell. )

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "Geiger-Marsden experiment."
    http://en.wikipedia.org/wiki/Geiger-Marsden_experiment Wikipedia CC BY.

Related Terms

  • alpha particle
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