Across
- 5. perfectly uniform and definite in composition, can either be an element or a compound
- 7. has definite melting point
- 9. substances composed of two or more elements or compounds which are not chemically combined
- 11. properties of substance that do not depend on amound of matter
- 12. low density
- 15. compounds that contain carbon and which comes from living or organic sources like plants and animals
- 16. contains two or more elements or kinds of atoms combined chemically in definite proportion by mass
- 18. contain hydrogen which is replaceable by a metal
- 20. a mixture consists of only one phase
Down
- 1. change in the intrinsic properties and constitution of the substance
- 2. substances composed of two or more elements or compounds which are not chemically combined
- 3. change in the extrinsic properties of a substance without changing its chemical composition
- 4. heterogeneous mixture of two or
- 6. a mixture consists of two or more phases
- 8. consist of oxygen and one other element
- 10. simplest form of a substance that cannot be decomposed by simple chemical means
- 11. compounds that do not contain carbon, and which usually are found in minerals and earthy materials.
- 13. homogeneous mixture of two or more substances
- 14. properties of substance that depend on amount of matter
- 17. substances
- 19. possess Tyndal effect, with Brownian movement