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Lewis dot compounds
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Lewis dot compounds

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    Lewis dot compounds Lewis dot compounds Presentation Transcript

    • Lewis Dot for Compounds
      Shows how electrons are being shared.
      Rules:
      Same as ionic (need full outer shell)
      Follow octet rule
    • Valence “Jigsaw”
      One way to look at this is like a jigsaw puzzle
      In a jigsaw puzzle, the pieces fit together
      Each element is a piece of the puzzle
      Think of the valence electrons are the edges of the pieces.
      Vocab:
      Lone pair = Two dots or electrons not share.
      Shared = Where elements are connected to make compounds. Represented by a line. _____
    • Multiple Bonds
      A line may be used to represent shared electrons.
      Each line represents 2 e-
      1 line = 2 e-
      2 lines = 4 e-
      3 lines = 6 e-
      4 lines = 8 e-
      The most you can have is 4 lines.
      Octet rule.
    • Lewis Dot for water
      Molecular
      formula
      Lewis Dot
      formula
      Structural
      formula
      H2O
      H
      H
      O
      H
      O
      H
    • Lewis Dot for methane
      Molecular
      formula
      Lewis Dot
      formula
      Structural
      formula
      CH4
      H
      C
      H
      H
      H
    • Lewis Dot for Phosphorus trichloride
      Molecular
      formula
      Lewis Dot
      formula
      Structural
      formula
      PCl3
      P
      Cl
      Cl
      Cl