Across
- 1. describes the gaseous state of a substance that is generally a liquid or solid at room temperature
- 2. a change that produces matter with a different composition than the original matter
- 3. a process that release heat to its surroundings
- 4. a property that depends on the type of matter in a sample, not theamount of water
- 7. a one or two letter representation of an element
- 9. a substance that contains two or more elements chemically combined in a fixed proportion
- 12. a change during which some properties of a material change, but the composition of the material does not change
- 14. a process that absorbs heat from the surroundings
- 15. a physical blend of two or more substances that are not chemically combined
- 16. matter that has a uniform and definite composition; either an element or a compound
Down
- 1. a measure of the space occupied by a sample of matter
- 2. 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
- 5. a substance present at the start of a reaction
- 6. a substance produced in a chemical reaction
- 8. a homogeneous mixture; consists of solutes dissolved in in a solvent
- 10. a measure of the amount of matter that an object contains
- 11. a form of matter that takes the shape and volume of its container
- 12. a solid that forms and settles out of a liquid
- 13. the simplest form of matter that has a unique set of properties; an element cannot be broken down into simpler substances by chemical means
- 16. a for of matter that has a definite shape and volume