Classification of Matter<br />Rhodora Snow Ph.D.<br />
Definition of Matter<br />Has mass and occupies space<br />Examples<br />Water<br />Wood<br />Plastic<br />
Classification of Matter<br />Pure Substances<br />Fixed Composition<br />Mixtures<br />Variable Composition<br />Howdoyou...
Kinds of Pure Substances<br />Elements <br /><ul><li>One type of atom
All discovered elements are listed in a periodic table</li></ul>Accordion Guy.  Periodic Table of Google Images.  Septembe...
Kinds of Pure Substances<br />Compounds<br /><ul><li>Made of two or more elements in a fixed ratio
Examples
Water (2 H: 1 O)
Sakurambo. Water molecule. 4 August 2007. http://commons.wikimedia.org/wiki/File:Water_molecule_2.svg
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Classification Of Matter

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  • There are two kinds of pure substances: elements and compoundsElements are made up of only one type of atom. Examples are copper, aluminum, and hydrogen. All the elements discovered thus far are shown in a periodic table.
  • Compounds are made of two or more elements or atoms. Examples are water, hydrogen peroxide and table sugar. The ratio of the elements in a given compound is fixed. For example, the ratio of hydrogen to oxygen in water is 2 atoms of hydrogen to 1 atom of oxygen. In hydrogen peroxide, hydrogen and oxygen are also combined, but the ratio is 2 atoms of hydrogen to 2 atoms of oxygen. Water and hydrogen peroxide are different compounds with different properties.
  • 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. http://commons.wikimedia.org/wiki/File:Dolly_mixture.JPG<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 />http://www.neatorama.com/2006/09/24/<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. http://commons.wikimedia.org/wiki/File:Water_molecule_2.svg
    10. 10. Hydrogen peroxide (2 H: 2 O)
    11. 11. Benjah-bmm27, Hydrogen peroxide. 5 May 2007. http://commons.wikimedia.org/wiki/File:Hydrogen-peroxide-3D-vdW.png</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, http://upload.wikimedia.org/wikipedia/commons/7/78/Elektrolyse1.jpg<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 />
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