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# Lewis dot compounds

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### Transcript

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