CHM 2045C Module Four Part B Exam                  Name:_____________________

 

Module Four-B Part O: Polarity of Molecules      10 points

 

Draw the dot structure for the following compounds, then state whether the molecule is polar or nonpolar:

 

 

 

_____________1.  H2O

 

 

_____________2.  CO2

 

 

__________ _ _3.  C2H4

 

 

_______ ______4.  SO2

 

 

__________ ___5.  SO3

 

 

________ _____6.  HCN

 

 

_________ ____7.  CH4

 

 

________ _____8.  NH3

 

 

________ _____9.  CH2O

 

 

_________ ____10. C2H2

 

 __________ __Bonus. PF5

 

  __________ __Bonus  SF6

 

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