What combination(s) make up an ionic compound? Metal ion + Non-metal ion Metal ion + polyatomic ion Polyatomic ion + Non-metal ion Non-metal + Non-metal Question 14 Which of the following metals are ones that can have variable charge? Iron Lead Potassium Chromium
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So, the combinations that make up an ionic compound are: Show more…
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14. Write the chemical formula for an ionic compound composed of each pair of ions. a. the calcium ion and the oxygen ion b. the 2+ copper ion and the sulfur ion c. the 1+ copper ion and the sulfur ion d. the magnesium ion and the carbonate ion e. the aluminum ion and the acetate ion
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Write the formulas for the four ionic compounds that can be made by combining the cations $\mathrm{Mg}^{2+}$ and $\mathrm{Fe}^{3+}$ with the anions $\mathrm{PO}_{4}^{3-}$ and $\mathrm{NO}_{3}^{-} .$ Name each compound formed.
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