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Classification Of Matter


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Classification Of Matter

  1. 1. Classification of Matter<br />Rhodora Snow Ph.D.<br />
  2. 2. Definition of Matter<br />Has mass and occupies space<br />Examples<br />Water<br />Wood<br />Plastic<br />
  3. 3. Classification of Matter<br />Pure Substances<br />Fixed Composition<br />Mixtures<br />Variable Composition<br />Howdoyouturnthison. A plate of dolly mixture. 29 July 2008.<br />
  4. 4. Kinds of Pure Substances<br />Elements <br /><ul><li>One type of atom
  5. 5. All discovered elements are listed in a periodic table</li></ul>Accordion Guy. Periodic Table of Google Images. September 2006.<br /><br />
  6. 6. Kinds of Pure Substances<br />Compounds<br /><ul><li>Made of two or more elements in a fixed ratio
  7. 7. Examples
  8. 8. Water (2 H: 1 O)
  9. 9. Sakurambo. Water molecule. 4 August 2007.
  10. 10. Hydrogen peroxide (2 H: 2 O)
  11. 11. Benjah-bmm27, Hydrogen peroxide. 5 May 2007.</li></li></ul><li>Elements and Compounds <br />Compounds may be separated into its component elements.<br />Example<br />Electrolysis of water <br />General Chemistry students of University of Siegen [photographer], Public Domain,<br />
  12. 12. Mixtures <br /><ul><li>Two or more substances physically mixed
  13. 13. Examples are
  14. 14. Air (mixture of mostly nitrogen and oxygen)
  15. 15. Steel (mixture of iron, nickel, carbon abd chromium)
  16. 16. Sugar-Water (two mixtures may look the same but one could taste sweeter because it has a higher ratio of sugar to water)</li></li></ul><li>Kinds of Mixture<br />Homogeneous<br /><ul><li>small particles
  17. 17. Uniform throughout
  18. 18. May separate the salt from water by boiling off the water</li></ul>Heterogeneous<br /><ul><li>Big particles
  19. 19. Can distinguish boundary of particles
  20. 20. May separate the nuts and bolts by pouring off the water</li></li></ul><li>Classification of Matter<br />