Unit 1 Vocabulary
Across
- 3. a measure of the amount of matter that an object contains; the SI unit is kilogram
- 4. a solid that forms and settles out of a liquid mixture
- 5. A substance present at the start of a reaction
- 7. matter that has a uniform and definite composition; either an element or a compound
- 9. a property that depends on the type of matter in a sample, not the amount of matter
- 11. a process that separates a solid from the liquid in a heterogeneous mixture
- 12. a state of matter that flows, has a fixed volume, and an indefinite shape
- 14. a change during which some properties of a material change, but the composition of the material does not change
- 16. a substance that contains two or more elements chemically combined in a fixed proportion
- 19. a form of matter that takes the shape and volume of its container; has no definite shape or volume
- 20. a physical blend of two or more substances that are not chemically combined
- 22. A one or two letter abbreviation for an element
- 23. describes the gaseous state of a substance that is generally a liquid or solid at room temperature
- 24. a change in which one or more reactants change into one or more products; characterized by the breaking of bonds in reactants and the formation of bonds in products
- 25. a property that depends on the amount of matter in a sample
- 26. the simplest form of matter that has a unique set of properties; an element cannot be broken down into simpler substances by chemical means
- 27. the ability of a substance to undergo a specific chemical change
Down
- 1. a measure of the space occupied by a sample of matter
- 2. a quality or condition of a substance that can be observed or measured without changing the substance's composition
- 6. a homogeneous mixture; consists of solutes dissolved in a solvent
- 8. a change that produces matter with a different composition than the original matter
- 10. a form of matter that has a definite shape and volume
- 13. a mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
- 15. a process used to separate dissolved solids from a liquid, which is boiled to produce a vapor that is then condensed into a liquid
- 17. any part of a sample that has uniform composition and properties
- 18. a mixture that is uniform in composition; components are evenly distributed and not easily distinguished
- 21. A substance produced in a chemical reaction