Atomic Showdown Crossword

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Across
  1. 4. What did Rutherford call the small, dense, positively charged core at the center of an atom
  2. 5. What was the experiment that lead to the discovery of electrons
  3. 6. Who diveloped the Planetary Model.
  4. 8. Who discovered the neutron
  5. 9. What was the name of the experiment that lead to the discovery of the nucleus.
Down
  1. 1. Who discovered the concept of isotopes
  2. 2. Who discovered the electron?
  3. 3. Who was the founder of the atomic theory.
  4. 7. What did Niels Bohr call the fixed paths in his Planetary Model