a) Alpha scattering

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4 Terms

1
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  • the alpha particle scattering experiment


  • a narrow beam of alpha particles travels towards a thin gold foil


2
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  • the observations regarding the alpha particle scattering experiment


  • most alpha particles travelled through the gold foil

  • some were scattered

  • very few were scattered at an angle greater than 90°


3
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  • from the first observation of the alpha particle scattering experiment, it can be inferred that…


  • most of an atom is empty space


4
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  • from the second and third observations of the alpha particle scattering experiment, it can be inferred that…


  • the nucleus of an atom is positively charged