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Competency #7

• Predict the products for simple chemical reactions

Learning Objective b

• b. Divide a compound/molecule into the ions it contains or is likely to form

Question

Write down your answer to the following question:

What ions does the compound Ca(OH)₂ contain?

1. One Ca²⁺ ion, two O₂^2-ions, and two H⁺ ions
2. One Ca²⁺ ion, one O₂^2-ion, and two H⁺ ions
3. One Ca²⁺ ion and one (OH)^2- ion
4. One Ca²⁺ ion and two (OH) ions
5. There is no way to determine the ions in Ca(OH)₂

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