Across
- 3. ability of a substance to combine or change into one or more other substances
- 4. a mixture that has constant composition throughout
- 7. the ratio of the mass of each element to the total mass of the compound
- 9. combination of two pure substances
- 10. independent om the amount of substance
- 13. alters a substance without changing composition
- 14. a transition of matter from one state to another
- 16. a mixture that does not blend smoothly throughout
- 18. mass is neither created nor destroyed during a chemical reaction
- 19. a separation technique that is based on differences in the boiling points of the substances involved
- 21. all matter that exists naturally on earth can be classified as one of these physical forms
- 22. a pure substance that cannot be separated into simpler substances by physical or chemical change
- 23. dependent on the amount of substance
- 26. different compounds are formed by a combination of the same elements
- 27. a separation technique that results in the formation of solid particles
Down
- 1. a compound is always composed of the same elements in the same proportion by mass
- 2. homogeneous mixtures are also referred as....
- 5. characteristic that can be observed without changing the sample's composition
- 6. ,made of two or more different elements
- 8. a process during which a solid changes to vapor without melting
- 11. a technique the separates the components of a mixture based on the ability of each component to travel across the surface of another material
- 12. matter that can fill the entire volume of a container
- 13. organizes the elements into a grid
- 15. process that involves one or more substances changing into new substances
- 17. a technique that uses a porous barrier to separate solid from liquid
- 20. gaseous state of a substance at room temperature
- 24. matter with its own definite shape
- 25. matter that flows