Chapter 10 Modern Atomic Theory and the Periodic Table

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Across
  1. 4. When the wavelengths are _______, the energy of light is lower.
  2. 7. Shortest wavelength
  3. 8. The number of the period (on the periodic table) corresponds with the ______ energy level occupied by electrons in that period
  4. 10. The raised number at the end of an electron configuration shows the number of _______ in sublevel orbitals
  5. 12. No more than _____ electrons can occupy an electron
  6. 14. When the light emitted by a gas passes through a prism or diffraction grating, the set of brightly colored lines are called a (TW)
  7. 15. When an electron moves away from the nucleus energy is ______
  8. 16. is called the _______ exclusion principle
  9. 17. The lowest available energy level is the
  10. 19. Who discovered that electrons exist in specific regions at various distances from the nucleus?
  11. 22. Elements that behave in similar ways are found in ______ or groups
  12. 24. The electrons in the outermost (highest) energy level of an atom (TW)
  13. 26. is how fast a wave moves through space
  14. 27. The third principal energy level has ______ sublevels
  15. 29. The letter in an electron configuration shows the type of (example: 2p5)
  16. 30. When the wavelengths are ______, the energy of light is higher.
Down
  1. 1. “An atomic orbital can hold a maximum of two electrons, which must have opposite
  2. 2. _____ are a stream of tiny packets of energy
  3. 3. Each horizontal row in the periodic table is called a ______
  4. 5. For an electron to move from an energy level far from the nucleus, it would need to ____ energy
  5. 6. Electrons and protons ____ one another.
  6. 9. Principle energy levels are divided into
  7. 10. _____ is the orbital configuration of electrons in an atom (TW)
  8. 11. The spectrum may have the same colors but each _______ is different.
  9. 13. A continuous stream in small discrete packets _____
  10. 18. Light is ______ in the electron transition
  11. 20. The number at the beginning of an electron configuration shows the _______ energy level (example: 2p5)
  12. 21. Basic characteristics of waves are: ______, frequency, and speed
  13. 23. Longest wavelength
  14. 25. The elements of a family have the same _______ electron configuration except that the \
  15. 28. A _______ is emitted when white light passes through a prism.