AP Chemistry  Worksheet #3  
Lewis Structures
Worksheet


1.  What is the probable skeletal
structure of sulphuric acid, H_{2}SO_{4}? 
2.  Predict reasonable skeletal
structures for NO_{3}^{}, HClO_{3} and H_{3}PO_{4}.

3.  How many dots, representing valence
electrons, must appear in the Lewis structures of SO_{3}, NO_{3}^{},
and NH_{4}^{+}? 
4.  How many dots should appear in the
Lewis structures of SO_{2}, PO_{4}^{3}, and NO^{+}?

5.  Write the Lewis structure for SO_{4}^{2}.

6.  What is the Lewis structure for the
ClO_{2}^{} ion? 
7.  What is the Lewis structure for the
carbon monoxide molecule, CO? 
8.  What is the Lewis structure for SF_{4}?

9.  Draw Lewis structures for OF_{2}, ClF_{3} and HClO_{4}. 