HW #!: MATTER

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