Across
- 4. the physical forms of all matter on Earth
- 6. separation technique resulting in the formation of pure solid substances from a solution containing the dissolved substance
- 8. a characteristic that can be observed or measured without changing the sample’s composition
- 10. form of matter that flows to take the shape of its container, fills the container’s entire volume, and is easily compressed
- 14. a transition of matter from one state to another
- 16. form of matter that flows, has constant volume, and takes the shape of its container
- 17. a combination of two or more different elements that are chemically combined
- 22. a pure substance that cannot be separated into simpler substances by physical or chemical means
- 24. a mixture in which the individual substances remain distinct
- 26. a mixture that has a constant composition throughout
- 27. the ratio of the mass of each element in a compound to the total mass of the compound
- 28. physical property that is dependent on the amount of a substance present
Down
- 1. states that when different compounds are formed by a combination of the same elements, different masses of one element combine with the same relative mass of the other element in a ratio of small whole numbers
- 2. physical property that is independent of the amount of a substance present
- 3. the gaseous state that is a solid or liquid at room temperature
- 5. separation technique that is based on differences in the boiling points of the substances
- 7. a technique that uses a porous barrier to separate a solid from a liquid
- 9. states that a compound is always composed of the same elements in the same proportions by mass
- 11. of mass states that mass is neither created nor destroyed during a chemical reaction
- 12. table organizing the elements into rows called periods and columns called groups
- 13. the ability or inability of a substance to combine with or change into one or more other substances
- 15. a form of matter that has its own shape and volume, is incompressible, and expands only slightly when heated
- 18. when one or more substances change into a new substance
- 19. technique that separates the components of a mixture based on differing tendencies to move across the surface of another substance
- 20. involved process during which a solid changes to a vapor without melting
- 21. a combination of two or more pure substances in which each substance retains its individual chemical properties
- 23. change in a substance that does not alter its composition
- 25. another word for a homogeneous mixture