| Term | Definition |
|---|
| Double-displacement reactions | Take place between two soluble ionic compounds dissolved in water which form at least one insoluble ionic compound. |
| "soluble in water" | if a compound dissolves in water, separating the cations and anions. |
| "strong electrolyte" | when 100% of a substance becomes separated into ions when dissolved in water, it creates a solution that conducts electricity well. |
| "insoluble in water" | ionic compounds that do not dissolve in water becasue the attractins between the anions and cations is too strong for water to rip them apart. |
| non-electrolyte | an ionic compound that is insoluble because the ions are not free to move throught the water and therefore cannot conduct electricity. |
| General form of a double displacement reaction | AB + CD = AD + CB |
| precipitation reactions | reactions taking place between two ionic compounds and resulting in two new ionic compounds that form a solid when the two solutions are mixed. |
| Precipitate | Solid. |
| Ionic equation | the way of writing the chemical equation writing soluble copounds as the separate ions instead of as the compound and showing the accurate reflection of what actually occurs. |
| Molecular equation | writing soluble ionic compounds as compounds |
| spectator ions | ions that do not do anything during the course of the reactions. |
| net ionic equation | an equation that focuses on the reaction that occurs, without showing anything that is irrelevant to the reaction. |
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