Monatomic Ions vs. Polyatomic Ions

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Presentation transcript:

Monatomic Ions vs. Polyatomic Ions SO-2 OH-1 NH4+1 Al+3 Na+1 O-2 Based on the patterns you see, how would you define monatomic and polyatomic ions? What type of elements are shown in polyatomic ions? What type of bonds (ionic or covalent) hold the atoms together in a polyatomic ion? Explain your reasoning.

Using the list of polyatomic ions on the back of your periodic table: Identify the polyatomic ion in each of the following ionic compounds. CaCO3 Mg(OH)2 NH4Cl What is the only polyatomic ion that is a cation?