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Democritus

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

Democritus

Used philosophy, not science. 
Photo by ideowl
2.

Democritus

Said atoms were indivisible and indestrutible
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3.

Democritus

Everything is made up of atoms.
Photo by wbeem
4.

John dalton

  • elements are extremely small particles
  • atoms cannot be subdivided created or destroyed
  • In chemical reactions chemicals are combined
5.

jj thomson

  • discovered electrons 
  • made the plum pudding 
  • experimented with cathode rays
6.

ernest rutherford

  • discovered the atomic theory 
  • did the gold foil experiment 
  • worked with nuclear physics 
Photo by dullhunk
7.

neils bohr

  • came up with the bohr model 
  • figured out what was wrong with the balmer series
Photo by signalstation
8.

erwin schrodinger

  • liked the quantium theory
  • predicted wave mechanics 
  • created the schrodinger equation 
Photo by hypermodern
9.

james chadwick

  • wanted to experiment measuring gamma radiation 
  • looked at nuclear change of platinum, silver, and copper   

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