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Labeling Pie Bond and Sigma Bond Worksheet

Instructions: Label the pie bond and sigma bond in each molecule below.

1. H2O

   Pie bond: None Sigma bond: O-H

2. CH4

   Pie bond: None Sigma bond: C-H

3. O2

   Pie bond: Double bond between the two oxygen atoms Sigma bond: None

4. C2H2

   Pie bond: Triple bond between the two carbon atoms Sigma bond: C-H

5. NH3

   Pie bond: None Sigma bond: N-H

6. C6H6 (Benzene)

   Pie bond: Six pie bonds in the benzene ring Sigma bond: C-H

7. CO2

   Pie bond: Double bond between the carbon and oxygen atoms Sigma bond: C=O

8. C2H4

   Pie bond: Double bond between the two carbon atoms Sigma bond: C-H

9. HCN

   Pie bond: Triple bond between the carbon and nitrogen atoms Sigma bond: C-H

10. N2

    Pie bond: Triple bond between the two nitrogen atoms Sigma bond: None