Atomic Theory Crossword

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Across
  1. 4. The speed of light equals frequency times ______.
  2. 6. Atom that has gained or lost neutrons and mass
  3. 7. Subatomic particle with negative charge
  4. 8. What units is energy measured in?
  5. 9. The creator of the Bohr Model
  6. 11. Who made the plum pudding model?
Down
  1. 1. Who conducted the gold foil experiment?
  2. 2. Which subatomic particle contributes to the charge of a nucleus?
  3. 3. What units is frequency measured in?
  4. 5. What surrounds the atomic symbol in an E-Dot?
  5. 6. Atom that has lost or gained electrons
  6. 9. Subatomic particle with no charge
  7. 10. What units is the average mass of an atom written in?