Atomic Theory

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Across
  1. 5. named the bohr model
  2. 7. discovered the neutron
  3. 8. the name of thomson's model
  4. 9. discovered the electron
  5. 10. this particle is found in the nucleus and has no charge
Down
  1. 1. this is a negatively charged particle found outside the nucleus
  2. 2. an element that has a different number of neutrons is called an
  3. 3. discovered protons
  4. 4. rutherford's experiment's name
  5. 6. this particle is found in the nucleus and has a positive charge