Across
- 3. A pure substance made of only one kind of atom
- 4. Definite shape and volume
- 5. a mixture in which the composition is uniform throughout
- 6. A characteristic of a pure substance that can be observed without changing it into another substance
- 8. A substance made up of atoms of two or more different elements joined by chemical bonds
- 9. A state of matter with no definite shape or volume
- 11. Gaseous state of a substance that is a liquid or a solid at room temperature
- 14. a property that depends on the type of matter in a sample, not the amount of matter
- 16. law that a given compound always contains exactly the same proportion of elements by mass
- 17. A combination of two or more substances that are not chemically combined
- 18. A chart of the elements showing the repeating pattern of their properties
- 19. a change of matter from one form to another without a change in chemical properties
Down
- 1. law that if two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers
- 2. a property that depends on the amount of matter in a sample
- 7. A characteristic of a pure substance that describes its ability to change into different substances
- 10. A state of matter that has no definite shape but has a definite volume.
- 12. Uniform, unchanging composition
- 13. A mixture in which different materials can be distinguished easily
- 15. A change in matter that produces one or more new substances