Ch.2 Vocab

4. the process by which one or more substances change to produce one or more different substances
6. in any physical change or chemical reaction, mass is conserved; mass can be neither created nor destroyed
7. a change that produces matter with a different composition than the original matter
8. a substance present at the start of a reaction
9. A substance made up of atoms of two or more different elements joined by chemical bonds
10. A homogeneous mixture of two or more substances
14. a solid that forms and settles out of a liquid mixture
15. a substance produced in a chemical reaction

1. some properties of a material change, but the composition of the material does not change
2. a mixture in which the composition is not uniform throughout
3. a quality or condition of a substance that can be observed or measured without changing the substance's composition
5. A mixture in which substances are evenly distributed throughout the mixture
11. the ability of a substance to undergo a specific chemical change
12. Gaseous state of a substance that is a liquid or a solid at room temperature
13. A measure of the amount of matter in an object