Activity 10: Internet Exercise Lewis Structures 2/8 

2a. Draw Lewis structures for these polyatomic ions.
  b. Describe the shape of each ion; e.g., tetrahedral. For the more complex ions, describe the shape around the most central atom.
  2.1* 2.2 2.3*
  2.4 2.5* 2.6
  2.7        
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