Chapter 11 Vocabulary

3. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
7. Lists metals in order of decreasing reactivity.
8. An equation that shows dissolved ionic compounds as dissociated free ions.
10. Each side of the equation has the same number of atoms of each element and mass is conserved.
11. A chemical change in which two or more substances react to form a single new substance.
12. A chemical equation that does not indicate the relative amounts of reactants and products.
13. Small whole numbers that are placed in front of the formulas in an equation in order to balance it.
14. An equation for a reaction in solution that shows only those particles that are directly involved in the chemical change.

1. A chemical change in which one element replaces a second element in a compound.
2. A chemical change in which a single compound breaks down into two or more simpler products.
4. An ion that appears on both sides of an equation and is not directly involved in the reaction.
5. A chemical change involving an exchange of positive ions between two compounds.
6. A chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light.
9. A substance that speeds up the reaction but is not used up in the reaction.