Polyatomic Ions

Common Polyatomic Ions

Polyatomic Ions are compounds composed of different elements. All polyatomic ions have a positive or negative charge. 

Polyatomic Ions with Halogens

Concept: The 4 Characteristics of Polyatomic Ions with Halogens

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Concept: Naming System for Polyatomic Ions with Halogens

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The naming system for polyatomic ions with halogens is based on the number of oxygens present. 

Example: Name each of the following compounds.

            a. BrO4 –                                                                                                          b.  FO2

 

            c. ClO –                                                                                     d.  IO3

 

 

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