Atoms and Atomic Theory

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Across
  1. 5. Negatively charged particle.
  2. 6. Where the electrons are probably found.
  3. 8. Five points of an Atomic Theory that is the basis of all chemistry.
  4. 9. Quantum Mechanics Model.
  5. 13. Billiard Ball Model.
Down
  1. 1. Neutral particle.
  2. 2. Nuclear Model.
  3. 3. Made up of protons and neutrons.
  4. 4. Discovered neutron.
  5. 7. Plum Pudding Model.
  6. 10. Two atoms of the same element with different numbers of neutrons.
  7. 11. Planetary Model.
  8. 12. Positively charged particle.