Chapter 2 Vocabulary

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Across
  1. 2. A mixture in which two or more materials are physically mixed and are uniformly distributed.
  2. 3. A change in a material due to a chemical reaction. It alters the molecules of the material and creates a new material with different properties.
  3. 8. A homogeneous mixture of two compounds in which the molecules are very similar in size. The system doesn't separate over time.
  4. 10. Properties of a material the can be easily measured but do not alter the material.
  5. 12. The physical property of a material indicating a materials ability to be drawn into wire or bent into other shapes.
  6. 14. A physical property representing the temperature at which a material changes from a liquid to a gas.
  7. 15. Seperating a solution by boiling.
  8. 16. Two or more atoms bonded together.
  9. 20. The physical property describing how easily the surface of a material can be scratched.
  10. 21. The material left over after you distill a solution.
  11. 23. The ratio of the mass of a sample to its volume and is a physical property of a material.
  12. 24. Seperating a material dissolved in a solution by passing the solution through filter paper
Down
  1. 1. Attritubes of a material describing how it bonds with other materials.
  2. 4. A mixture in which two or more materials are physically mixed but not evenly distributed
  3. 5. A pure material made up of all the same molecules
  4. 6. A chemical property of a material and its ability to react with oxygen due to exposure to a flame or heat.
  5. 7. Changes that do not alter the composition of the material.
  6. 9. A chemical property of a material and its abilty to bond with other materials.
  7. 11. A physical property representing the temperature at which a material changes from a solid to a liquid.
  8. 13. The physical property of a material to transfer electrical energy or heat
  9. 17. A heterogeneous mixture made up of molecules of different sizes that does not separate after being mixed.
  10. 18. The physical property of a material that measures the thickness of a liquid
  11. 19. A heterogeneous mixture made up of molecules of different sizes. Will separate rather quickly after being mixed.
  12. 22. There are 113 of these in the known universe
  13. 25. The smallest sample of an element