Unit 6 Vocabulary PS

5. A substance capable of dissolving one or more other substances.
7. To keep the number of atoms the same on both sides of the equation.
9. A reaction in which a compound breaks down into two or more simple substances.
10. A mixture in which one substance is dissolved by another.
12. A reaction in which elements combine to form a compound.
14. A reaction in which one element replaces another in a compound.
15. A number placed before a formula in a chemical equation.
16. A substance that is formed in a chemical reaction.
17. A substance that is altered in a chemical reaction.

1. A solid that is formed and usually sinks to the bottom of a solution.
2. A reaction in which the elements in two compounds are exchanged.
3. Matter cannot be created or destroyed in chemical and common physical changes.
4. To break apart.
6. A statement that uses symbols, formulas, and numbers to stand for a chemical reaction.
8. The substance that is dissolved in a solution.
11. A chemical change in which elements are combined or rearranged.
13. A combination of substances in which no reaction takes place.