Lesson plan 1

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Lesson plan 1

  1. 1. Earth Air Fire Water History of the Atom Chemistry I
  2. 3. Atomic Model Timeline --------------- 400 BC: Democritus ----------------1803: Dalton ----------------1861: William Crookes ----------------1886: Eugen Goldstein ----------------1900: Max Planck ----------------1904: Thompson ----------------1911: Ernest Rutherford ----------------1915: Niels Bohr ----------------1925: Werner Heisenberg ----------------1926: Erwin Schrodinger ----------------1927: Louis de Brogile ----------------1932: James Chadwick
  3. 4. Democritus Model and His Ideas <ul><li>born around 460 BC in north Greece </li></ul><ul><li>rejected the Eleatic school hypothesis “everything is one” and change and motion is an illusion </li></ul><ul><li>everything consists of an infinite amount of very small particles called “atoms” and space </li></ul><ul><li>atoms can be physically divided, are indestructible, contain no space, and are eternal </li></ul><ul><li>many types of atoms having different sizes and </li></ul><ul><li>shape </li></ul><ul><li>atoms move at random like gases </li></ul>
  4. 5. Thomson Model
  5. 6. Rutherford Model
  6. 7. Bohr Model
  7. 8. Chadwick
  8. 9. Quantum Mechanical Model

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