Unit #3: Crossword

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Across
  1. 3. Electromagnetic-----:range of energies that electromagnetic radiation can comprise, including radio, microwaves, infrared, visible, ultraviolet, X-rays, and gamma rays
  2. 6. Two Words:electrons in the outermost or valence shell (highest value of n) of a ground-state atom
  3. 10. Three Words: pictorial representation of the electron configuration showing each level as a line and each electron as an arrow
  4. 12. limitation of some property to specific discrete values, not continuous
  5. 13. group of ions or atoms that have identical electron configurations
  6. 14. Electromagnetic--------: energy transmitted by waves that have an electric-field component and a magnetic-field component
  7. 15. number of wave cycles (peaks or troughs) that pass a specified point in space per unit time
  8. 16. extent of the displacement caused by a wave
  9. 17. the unit of frequency, which is the number of cycles per second, s−1
Down
  1. 1. ------- Energy:energy required to remove an electron from a gaseous atom or ion
  2. 2. Two Words: electron in an atom that occupies the orbitals of the inner shells
  3. 4. smallest possible packet of electromagnetic radiation, a particle of light
  4. 5. distance between two consecutive peaks or troughs in a wave
  5. 7. oscillation of a property over time or space; can transport energy from one point to another
  6. 8. tendency of an atom to attract electrons in a bond to itself
  7. 9. Electron----:energy change associated with addition of an electron to a gaseous atom or ion
  8. 11. spectrum Two Words: electromagnetic radiation emitted at discrete wavelengths by a specific atom (or atoms) in an excited state