Chapter 9 Vocab

5. The number written in front of a reactant or product in a chemical reaction.
9. ______ replacement reactions involve the exchange of ions between two compounds.
10. A(n) ________ ionic equation is an ionic equation that shows all of the particles in a solution as they exist.
12. ______ replacement reactions are where the atoms in one element replace the atoms of another element in a compound.
14. _________ ions are not usually shown in ionic equations.
15. ___ ionic equations are ionic equations that include only the particles that participate in the reaction.
16. The substance that dissolves a solute to form a solution.
17. ________ Equation is a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction.

1. Substances formed in a chemical reaction.
2. _________ Reaction is a chemical reaction in which two or more substances react to produce a single product.
3. _____________ Reaction is a reaction where a single compound breaks down into two or more elements or new compounds.
4. ________ Reaction is the process by which the atoms of one or more substances are rearranged to form different substances.
6. An _______ solution contains one or more substances called solutes.
7. A solid produced during a chemical reaction.
8. One or more substances dissolved in a solution.
11. __________ Reaction is a reaction where oxygen combines with a substance and releases energy in the form of heat or light.
13. The starting substances in a chemical reaction.