3. Draw the Lewis Dot diagram for H2O
a) What is the total number of electrons that must be included the diagram?
b) If a water molecule has one center atom (O) and only two bonds on either side of the center atom, why
isn’t it a linear molecule?
_________________________
c) How many lone electron pairs surround the center atom of the H2O molecule? _
d) How does this affect the molecular shape? _______________
e) What is the electron geometry of this molecule called?
f) What is the molecular geometry of this molecule called?
g) What is the bond angle of the molecule?_
h) Is the molecular polar or nonpolar?
4. A). Draw the Lewis Dot diagram for CH4. ____
B).What is the total number of electrons that must be included the diagram? _
C). How many electron bonds surround the center atom of the CH4 structure?
D). How many lone electron pairs surround the center atom? _
E). What is the electron geometry of this molecule called?
F). What is the molecular geometry of this molecule called?
G). What is the bond angle of the molecule?_
H).Is the molecular polar or nonpolar? _
5. A). Draw the Lewis Dot diagram for BH3. ____
B).What is the total number of electrons that must be included the diagram? _
C). How many electron bonds surround the center atom of the BH3 structure?
D). How many lone electron pairs surround the center atom? _
E). What is the electron geometry of this molecule called?
F). What is the molecular geometry of this molecule called?
G). What is the bond angle of the molecule?_
H).Is the molecular polar or nonpolar? _____

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