Atomic Theory & The Scientists

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Across
  1. 2. the scientist who conducted the cathode ray tube experiment.
  2. 6. A Greek philosopher who was the first person to think of an atoms existence.
  3. 7. scientist who used the gold foil experiment to discover the nucleus.
  4. 8. neutral particles found in the nucleus.
Down
  1. 1. A meteorologist with 4 major postulates to support his theory that expands on democritus' findings.
  2. 3. smaller negative particles outside the nucleus
  3. 4. the smallest particle of an element.
  4. 5. positive particles found in the nucleus.