Chemistry Chapter 1
Across
- 3. uniform mixtures in which the composition is the same throughout
- 7. most commonly expressed in grams, kilograms, or milligrams
- 8. nonuniform mixtures in which the composition varies throughout
- 10. have a fixed composition and unique set of properties
- 12. composed of two or more substances combined in such a way that each substance retains its chemical identity
- 13. the factor that determines the direction of heat flow
- 15. the temperature at which a substance changes from solid to liquid
- 16. the extent to which a solute dissolves in a solvent
- 17. observed when the substance takes part in a chemical reaction, a change that converts it to a new substance
Down
- 1. observed without changing the chemical identity of a substance
- 2. the ratio of mass to volume
- 4. anything that has mass and occupies space
- 5. type of matter that cannot be broken down into two or more pure substances
- 6. a pure substance that contains more than one element
- 9. made up of a solute and solvent
- 11. the measure of the gravitational force acting on an object
- 14. the temperature at which a substance changes from liquid to gas