Atomic Theory

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Across
  1. 1. Who named the smallest piece of matter "atomos"?
  2. 2. Who performed the gold foil experiment?
  3. 3. Bohr theorized that electrons move in ___________ around the nucleus
  4. 4. Whose analogical model could be a billiard ball?
  5. 7. What Greek philosopher declared that all matter is made of only four elements: fire, air, water, and earth?
  6. 8. Dalton discovered what particle in the atom?
Down
  1. 1. Dalton theorized that all atoms of a given element are alike and atoms of different elements are ____________.
  2. 5. What did Rutherford discover in his experiment?
  3. 6. Whose model has a similar setup to the solar system?
  4. 9. Whose model was referred to as the "plum pudding" model?