HW #!: MATTER
Across
- 1. possess Tyndal effect, with Brownian movement
- 4. change in the extrinsic properties of a substance without changing its chemical composition
- 9. a mixture consists of only one phase
- 10. a mixture consists of only one phase
- 11. means only
- 12. one kind of atom
- 13. compounds that do not contain carbon, and which usually are found in mineralsand earthy materials.
- 15. Has definite melting point
- 18. perfectly uniform and definite in composition, can either be an element or a compound
- 19. soapy or slippery in water solutions
- 20. substances composed of two or more elements or compounds which are not chemically combined
- 21. change in the intrinsic properties and constitution of the substance
- 23. heterogeneous mixture of two or more substances
Down
- 2. compounds that contain carbonand which comes from living or organicsources like plants and animals
- 3. an electrolyte that yields neither hydrogen or hydroxide from the dissolve molecules
- 5. homogeneous mixture of two or more substances
- 6. Has low density, exerts pressure
- 7. Has specific gravity - the lightness and heaviness of the specimen substance compared to the reference substance
- 8. contains two or more elements or kinds of atoms combined
- 14. contain hydrogen which is replaceable by a metal
- 16. simplest form of a substance that cannot be decomposed by simple chemical means, contains
- 17. consist of oxygen and one other element��
- 22. in definite proportion by mass, can be separated by