Chapter 10 Modern Atomic Theory and the Periodic Table

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