lewis dot diagrams
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
Lewis Dot Diagrams
Lewis Dot Diagrams
Lewis Dot Diagram – represents a molecule with letters, dots, and lines
Lewis Dot Diagrams
Symbol:
O=O
Line – represents 2 electrons,
1 bond
Dots – unbonded electrons
Element Symbol – represents an atom
Drawing Lewis Diagrams
STEP1) Draw the dot
diagram of each atom.
EXAMPLEF2
F... .. .. F.
.. .. ..
Drawing Lewis Diagrams
STEP2) Put the unpaired
electrons next to each other.
You may have to redraw the dots.
EXAMPLEF2
F... .. .. F..
. ....
Drawing Lewis Diagrams
STEP3) Pair the unpaired
electrons. Draw a line in place of the dots.
EXAMPLEF2
F... .. .. F..
. ....
Drawing Lewis Diagrams
STEP4) Repeat until all
unpaired electrons are in a bond (line).
EXAMPLEF2
F... .. .. F..
. ....
Drawing Lewis Diagrams
STEP1) Draw the dot
diagram of each atom.
EXAMPLEO2
O... .. . O.
.. .. .
Drawing Lewis Diagrams
STEP2) Put the unpaired
electrons next to each other.
You may have to redraw the dots.
EXAMPLEO2
O... .. . O.
. ... .
Drawing Lewis Diagrams
STEP3) Pair the unpaired
electrons. Draw a line in place of the dots.
EXAMPLEO2
O... .. . O.
. ... .
Drawing Lewis Diagrams
STEP4) Repeat until all
unpaired electrons are in a bond (line).
EXAMPLEO2
O.. .. O
....
Drawing Lewis Diagrams
STEP1) Draw the dot
diagram of each atom.
EXAMPLEH2O
O... .. . H.
H.
Drawing Lewis Diagrams
STEP2) Put the unpaired
electrons next to each other.
You may have to redraw the dots.
EXAMPLEH2O
O... .. . H.
H.
Drawing Lewis Diagrams
STEP3) Pair the unpaired
electrons. Draw a line in place of the dots.
EXAMPLEH2O
O... .. . H.
H.
Drawing Lewis Diagrams
STEP4) Repeat until all
unpaired electrons are in a bond (line).
EXAMPLEH2O
O... .. . H.
H.
Drawing Lewis Diagrams
STEP1) Draw the dot
diagram of each atom.
EXAMPLECO2
O... .. . O.
.. .. .
C.. . .
Drawing Lewis Diagrams
STEP2) Put the unpaired
electrons next to each other.
You may have to redraw the dots.
EXAMPLECO2
O... .. . O.
. ... .C.. . .
Drawing Lewis Diagrams
STEP3) Pair the unpaired
electrons. Draw a line in place of the dots.
EXAMPLECO2
O... .. . O.
. ... .C.. . .
Drawing Lewis Diagrams
STEP4) Repeat until all
unpaired electrons are in a bond (line).
EXAMPLECO2
O.. .. O
....C
Group Practice
• Get into groups of 2-3.
• Try the following molecules:
H2 NH3
N2 CH4
Cl2 SiO2