Properties of Light

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Across
  1. 3. when an electron falls to a lower energy level and a photon is emitted
  2. 5. the distance between corresponding points on adjacent waves
  3. 7. electron circle the nucleus in __________
  4. 9. a particle of electromagnetic radiation having zero mass and carrying a quantum of energy
  5. 11. when energy is added to an atom in order to move an electron from a lower level to a higher energy level
  6. 12. high frequency waves have _________ wavelengths
  7. 14. all forms of electromagnetic radiation
  8. 16. unit of frequency
  9. 17. unit of wavelength
  10. 18. the ___________ bands of light are known as hydrogen's line-emission spectrum
  11. 19. the energy of a photon depends on the _______ of the radiation
  12. 21. the number of waves that pass a given point per second
Down
  1. 1. lowest energy state of an atom
  2. 2. the farther away from the nucleus the _______ energy an electron has
  3. 4. __________ = c/f
  4. 6. form of energy that exhibits wavelike behavior as it travels through space
  5. 8. state in which an atom has more energy that its ground state by absorbing energy
  6. 9. refers to the emission of electrons from a metal when light shines on the metal
  7. 10. low frequency waves have ___________ wavelengths
  8. 13. ________ of energy is the minimum quantity of energy that can be lost or gained by an atom
  9. 15. _______ = hf
  10. 20. unit of energy