Lesson 6

• Quantum Mechanical Model replaced Bohr’s Model of the atom
• Ernest Rutherford

  Experimentally disproved the Plum Pudding Model
• Ideas of Democritus

  • What is an Atom
  • Splitting the unsplittable
  • Nuclear Fission
• Democritus was a philosopher who proposed the concept of the atom
• Quantum Mechanical Model

  Model of the atom that proposed that electrons exist in a cloud around the nucleus
• Plum Pudding Model

  Model of the atom that proposed the atom was a sphere of positive charge with electrons embedded in it
• J.J. Thomson

  Discovered the electron and proposed the Plum Pudding Model
• Bohr’s Model of the atom

  Model of the atom that proposed that electrons move in circular orbits around the nucleus
• Democritus - Runts

  John Dalton - lollipop

  JJ thomson - Cookie

  Ernest - ferrero

  Niel Bohrs - Gobstopper

  Erwin schrodinger - Cotton candy