Atomic Theory

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Across
  1. 1. arranged atoms on periodic table
  2. 3. wave mechanical model
  3. 4. elements consist of atoms
  4. 8. electrons are in circular paths
  5. 9. nucleus center and tiny electrons moved in space around it
Down
  1. 1. oil drop experiment
  2. 2. matter is composed of empty space
  3. 5. electrons move in waves
  4. 6. plum pudding model
  5. 7. discovered neutrons