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Rutherford (Gold Foil Experiment)

• Alpha particles are helium nuclei
  
  
• Gold Foil Experiment
  
  
  
  • A beam of alpha particles from a lead box is fired at a gold foil
  • Most alpha particles pass through the foil
  • A few bounce back.
  
  
• "It was as surprising as if a gunner had fired a shell at a tissue paper, and the shell had bounced back..."

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Last Revised 02/03/98.
Copyright ©1998 by William L. Dechent. All rights reserved.