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Bell: 10/13

Bell: 10/13. Draw the Lewis Structure and name the molecule: C 2 H 4 Objective: Compare covalent, ionic, and metallic bonds with respect to electron behavior. Announcements. Wednesday: Quiz: Ionic, Covalent, and metallic bonding and naming Covalent Bonding WS – Due

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Bell: 10/13

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  1. Bell: 10/13 • Draw the Lewis Structure and name the molecule: • C2H4 • Objective: • Compare covalent, ionic, and metallic bonds with respect to electron behavior

  2. Announcements • Wednesday: • Quiz: Ionic, Covalent, and metallic bonding and naming • Covalent Bonding WS – Due • Lewis Structure Practice - Due

  3. Types of Bonding • Ionic Bonding: • Covalent Bonding:

  4. Differences in Electronegativity

  5. Differences in Electronegativity • Nonpolar Covalent: • Polar Covalent: • Ionic:

  6. Example: • Is H2O polar covalent or nonpolar covalent?

  7. Example: • Is O2 polar covalent or nonpolar covalent?

  8. Metallic Bonding • Valence electrons can roam freely (delocalized)

  9. Properties of metals • Shiny (luster): • Conductive:

  10. Properties of Metals • Malleable: • Ductile:

  11. Alloys • Contains more than 1 element

  12. Bonding Review

  13. Diatomic Molecules • 7 Diatomic molecules:

  14. Bonding Review Ionic Covalent • Formula Units • e- are transferred • Crisscross method • Molecular Formulas • e- are shared • Lewis structures

  15. Naming Review Ionic Covalent • Metal comes first • Say the metals name • Change ending of nonmetal to -ide • Prefixes tell us how many • Don’t use mono- on first element • Change ending of last element to -ide

  16. Examples: Ca + P => SiH3

  17. Example: Fe2S3

  18. Bonding Review Bond Length Bond Strength • Single Bond • Double Bond • Triple Bond • Single Bond • Double Bond • Triple Bond

  19. Example: • Which is the shortest bond in the molecule Cl2CO? • Which is the easiest to break?

  20. Homework • Bonding Review: Due Wednesday

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