Quantum Physics

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Across
  1. 2. Minimum smallest amount by which a quantity can change
  2. 4. inversely proportional to the momentum of the electrons when considered as particles
  3. 5. evidence that electrons behave as waves
  4. 7. minimum amount of energy needed to eject a photoelectron
  5. 9. an electron released when light shines on a piece of metal
Down
  1. 1. principle for predicting the future movement of waves if current position of wavefront is known
  2. 3. evidence that light behaves as a particle
  3. 6. Packets of electromagnetic energy radiation
  4. 8. is proportional to a photon's energy