Chapter 10 Modern Atomic Theory and the Periodic Table

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