Atomic Theory

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Across
  1. 2. Came up with the planetary model of the atom
  2. 4. This negatively charged particle was discovered with the cathode ray tube experiment
  3. 7. Came up with the original idea of an atom
  4. 9. Came up with the Atomic Theory
  5. 11. Rutherford performed this experiment
  6. 12. the subatomic particle without a charge and has a relative mass of a proton.
  7. 14. Came up with the electron cloud model of the atom
  8. 15. the simplest type of matter
  9. 16. This positively charged particle is found in the nucleus
Down
  1. 1. Electrons exist in these around the nucleus.
  2. 3. This is the most recent atomic model
  3. 5. Discovered the nucleus
  4. 6. Discovered the electron
  5. 8. JJ Thomson came up with this atomic model
  6. 10. discovered little packets of energy called photons
  7. 13. Heisenberg came up with this principle