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Lewis Dot Diagrams. Lewis Dot Diagrams. Lewis Dot Diagram – represents a molecule with letters, dots, and lines. Lewis Dot Diagrams. Element Symbol – represents an atom. Line – represents 2 electrons , 1 bond. Symbol:. O=O. Dots – unbonded electrons.
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Lewis Dot Diagrams Lewis Dot Diagram – represents a molecule with letters, dots, and lines
Lewis Dot Diagrams Element Symbol – represents an atom Line – represents 2 electrons, 1 bond Symbol: O=O Dots – unbonded electrons
Drawing Lewis Diagrams STEP EXAMPLE F2 1) Draw the dot diagram of each atom. . . . . . . . . . . F F . . . .
Drawing Lewis Diagrams STEP EXAMPLE F2 2) Put the unpaired electronsnext to each other. You may have to redraw the dots. . . . . . . . . . . F F . . . .
Drawing Lewis Diagrams STEP EXAMPLE F2 3) Pair the unpaired electrons. Draw a line in place of the dots. . . . . . . . . . . F F . . . .
Drawing Lewis Diagrams STEP EXAMPLE F2 4) Repeat until all unpaired electrons are in a bond (line). . . . . . . . . . . F F . . . .
Drawing Lewis Diagrams STEP EXAMPLE O2 1) Draw the dot diagram of each atom. . . . . . . . . . . O O . .
Drawing Lewis Diagrams STEP EXAMPLE O2 2) Put the unpaired electrons next to each other. You may have to redraw the dots. . . . . . . . . . . O O . .
Drawing Lewis Diagrams STEP EXAMPLE O2 3) Pair the unpaired electrons. Draw a line in place of the dots. . . . . . . . . . . O O . .
Drawing Lewis Diagrams STEP EXAMPLE O2 4) Repeat until all unpaired electrons are in a bond (line). . . . . . . . . O O
Drawing Lewis Diagrams STEP EXAMPLE H2O 1) Draw the dot diagram of each atom. . . . . . . . O H H .
Drawing Lewis Diagrams STEP EXAMPLE H2O 2) Put the unpaired electrons next to each other. You may have to redraw the dots. . . . . . . . O H H .
Drawing Lewis Diagrams STEP EXAMPLE H2O 3) Pair the unpaired electrons. Draw a line in place of the dots. . . . . . . . O H H .
Drawing Lewis Diagrams STEP EXAMPLE H2O 4) Repeat until all unpaired electrons are in a bond (line). . . . . . . . O H H .
Drawing Lewis Diagrams STEP EXAMPLE CO2 1) Draw the dot diagram of each atom. . . . . . . . . . . . . . O O . . . C
Drawing Lewis Diagrams STEP EXAMPLE CO2 2) Put the unpaired electrons next to each other. You may have to redraw the dots. . . . . . . . . . . . . . O O . . . C
Drawing Lewis Diagrams STEP EXAMPLE CO2 3) Pair the unpaired electrons. Draw a line in place of the dots. . . . . . . . . . . . . . O O . . . C
Drawing Lewis Diagrams STEP EXAMPLE CO2 4) Repeat until all unpaired electrons are in a bond (line). . . . . . . . . O O C
Group Practice • Get into groups of 2-3. • Try the following molecules: H2 NH3 N2 CH4 Cl2 SiO2