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  1. Homework: Read section 8.1 Answer questions 3, 4, 5, and 6 on page 214 In question 3, remember to say why In question 6, when they say “draw models,” they mean dot diagrams.

  2. 3. What family of elements is relatively unreactive, and why? Noble gasses They have the “complete octet”

  3. 4. Describe the formation of both positive and negative ions. Atoms lose valence electrons to become positive ions Atoms gain valence electrons to become negative ions.

  4. 4. Describe the formation of both positive and negative ions. Atoms lose valence electrons to become positive ions Atoms gain valence electrons to become negative ions.

  5. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration:

  6. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Nitrogen: N

  7. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Nitrogen: N

  8. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Nitrogen: N

  9. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Nitrogen: Will gain three electrons N

  10. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Sulfur: S

  11. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Sulfur: S

  12. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Sulfur: S

  13. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Sulfur: Will gain two electrons. S

  14. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Barium: Ba

  15. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Barium: Ba

  16. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Barium: Will lose two electrons. Ba

  17. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Lithium: Li

  18. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Lithium: Li

  19. 5. Predict the change that must occur in the electron configuration to achieve noble gas configuration: Lithium: Will lose one electron. Li

  20. 6. Draw models to represent the formation of the positive calcium ion and the negative bromide ion. Ca Br

  21. 6. Draw models to represent the formation of the positive calcium ion and the negative bromide ion. Ca Br

  22. 6. Draw models to represent the formation of the positive calcium ion and the negative bromide ion. -1 +2 Ca Br