Chapter 10 Modern Atomic Theory And The Periodic Table

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Across
  1. 3. energy is emitted in tiny distinct packets called _____
  2. 6. what is white light?
  3. 8. 1st sublevel
  4. 10. as stated by this principle, an orbital cannot contain more than 2 electrons
  5. 11. 2nd sublevel
  6. 12. electrons on the outermost energy level
  7. 15. all the Group A’s elements in the Periodic Table
  8. 17. Every principle energy level is divided into _____
  9. 20. this method of arranging electrons uses arrows and boxes
  10. 21. small packets of energy in streams of light
  11. 22. all the Group IIIB to Group IIB (3-12) elements
  12. 25. When a gas emits light shown through a prism, the beaming colored lines are part of a _____
  13. 26. Which rule is this: electrons will occupy separate orbitals of the same energy before pairing of electrons occur
  14. 28. lowest energy level
  15. 29. region in space around a nucleus with a high probability of finding an electron
Down
  1. 1. this method of arranging electrons uses numbers, letters, and superscripts
  2. 2. columns in the periodic table
  3. 4. the energy level expressed by the principal quantum number n
  4. 5. rows in the periodic table
  5. 7. neon’s orbital configuration
  6. 9. Group VIIA Elements
  7. 10. in a given atom, no 2 electrons may have the same set of 4 quantum numbers therefore an orbital must have electrons with opposite spins ↓↑
  8. 13. this atom's orbital configuration is 1s² 2s²2p⁶ 3s²3p⁶
  9. 14. this atom's orbital configuration is 1s² 2s²2p⁶ 3s²3p⁶ 4s²
  10. 16. distance between two peaks or trough inside a wave
  11. 18. outermost electron shell
  12. 19. Who said this: “electrons revolve in specific regions at various distances from the nucleus called energy levels”
  13. 23. this atom's orbital configuration is 1s² 2s²2p⁶ 3s²3p⁶ 4s²3d¹⁰
  14. 24. 3rd sublevel
  15. 27. 4th sublevel