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Atom project

Published on Nov 19, 2015

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PRESENTATION OUTLINE

1.

Democritus

  • Used philosophy, not science
  • Atoms were indivisible and indestructible 
  • Everything is made up of atoms
  • "Father of Modern Science"
2.

John Dalton

  • Studied chemistry, physics, and colour blindness
  • billiard ball model
  • Atoms can't be subdivided, created, or destroyed
  • In chemical reactions, atoms are combined, separated and rearranged
  • Brought back Democritus's idea back of an atom
3.

J.J. Thomson

  • Discovered Electons
  • Invented the Mass Spectrometer 
  • Won the nobel prize 
  • Plum pudding model
  • found out that atoms are divisible 
4.

Ernest Rutherford

  • Was a chemist
  • Discovered that atoms had a positive nucleus 
  • Most of the mass was in the center of the atom
5.

Neils Bohr

  • Was a physicist 
  • Electrons orbit around the nucleus  
  • Energy levels of electons are different
6.

Erwin Schrodinger

  • Austrian Physicist 
  • Bohrs model one step further
  • Mathematical equation to find a electron in a certain posistion
  • Quantum Mechanics 
7.

James CHadwick

  • Discovered the Neutron 
  • English Physicist 
  • Was on the research team for the atomic bomb
  • Won the nobel prize 

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