Interdisciplinary Unit

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  • I'm going to talk about how Ernest Rutherford further developed the atomic theory conducting experiments that further expand the theory.
  • Rutherford conducted a series of experiments using alpha particles.He aimed alpha particles at solid substances such as gold foil and recorded the location of the alpha particle "strikes" on a fluorescent screen as they passed through the foil.
  • Through this experiment Rutherford concluded that  most of the particles were able to pass through the gold foil without encountering anything large enough to significantly defect their path.
  • In Rutherford’s Nucleus Paper of 1911 he suggested that the central charge of an atom might be proportional to its atomic mass in hydrogen mass units.
  •  Rutherford created the deduction that an atom could not be a uniform solid but it is an empty space with its mass concentrated in the nucleus.
  •  Rutherford concluded that there were electrons scattered around the dense positively charged center and they were suspended in orbit by the positively charged nucleus, by the electrical forces.
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