Atomic Theory Review

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Across
  1. 3. The same element, but different numbers of electrons
  2. 7. Made his discovery in 1911, known for his Gold Foil Experiment
  3. 8. Plum pudding model/chocolate chip cookie model
  4. 9. A negatively charged particle found orbiting around the nucleus
Down
  1. 1. The same element, but different number of neutrons
  2. 2. First guy to theorize atoms with postulates
  3. 4. A positively charged particle found in the nucleus, determines identity of element
  4. 5. Basic unit of matter, makes up everything that takes up space
  5. 6. Known for his model we still use today, discovered the orbit of electrons
  6. 10. Known for his discovery of neutrons