Model Of An Atom

Model Of An Atom

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Storyboard Description

Asia Phillips,Antavious Robinson,Shakira Montgomery,April Cook

Storyboard Text

  •  In the planetary model, a nitrogen atom has a central nucleus, composed of seven protons and seven neutrons, surrounded by seven electrons. The Bohr Model. Scientists soon realized that the planetary model was an inaccurate description of atomic structure.
  • In 1909 Thomson's plum pudding model of a atom was disproved by one of his former student Ernest Rutherford 
  • Democritus was a Greek philosopher (470-380 B.C.) who is the father of modern atomic thought.
  • Dalton's atomic theory that all matter consists of indivisible particles called atoms that cannot be created or destroyed, that are the same for a given element, and that combine in fixed proportions to form compounds.
  • The Rutherford model of the atom was simplified in a well known symbol showing electrons circling around the nucleus like planets orbiting the sun.  
  • In 1913, Neils Bohr, a student of Rutherford 's, developed a new model of the atom. He proposed that electrons are arranged in concentric circular orbits around the nucleus.
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