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Classification of Matter

Classification of Matter. A Self Guided Lesson. c. Michener. Types of Matter. Heterogeneous Mixtures Homogeneous Mixtures Compounds Elements. Resources. Summary and Practice http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson14.htm Review and Practice

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Classification of Matter

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  1. Classification of Matter A Self Guided Lesson c. Michener

  2. Types of Matter Heterogeneous Mixtures Homogeneous Mixtures Compounds Elements

  3. Resources • Summary and Practice • http://www.fordhamprep.org/gcurran/sho/sho/lessons/lesson14.htm • Review and Practice • http://teacherbridge.cs.vt.edu/public/bhs/teachers/Dana/Matter.html • Alternative Classification Scheme • http://nobel.scas.bcit.ca/chem0010/unit2/2.4_classMatter_scheme.htm

  4. Heterogeneous Mixtures • Type of matter consisting of at least two parts physically combined • Visible parts (phases) • Varying composition • Impure • Physically separable

  5. Heterogeneous Mixture Examples Dirt Heterogeneous mixtures have more than one visible phase Concrete Car

  6. How to Decide Heterogeneous Mixtures Homogeneous Mixtures Compounds Elements • Do you see only one part? (YES/NO) NO YES

  7. Matter that is uniform throughout Referred to as a Solution 1 visible part (uniform distribution) Constant composition throughout Even distribution of particles Homogeneous Mixtures

  8. Solution (Homogeneous Mixture) Examples Salt water Brass (A solution of metals=alloy) Glass Solutions appear to be one part, but are actually just mixed very well

  9. How to Decide Heterogeneous Mixtures Homogeneous Mixtures Compounds Elements • Is the matter pure? (YES/NO) NO YES

  10. Homogeneous matter that is made of more than one type of atom Constant composition Fixed ratio Pure 2 or more different elements in formula Compounds Pure water SUGAR

  11. Compound Examples Table Salt (NaCl) Compounds are pure matter that consists of two or more different elements chemically combined Carbon Dioxide (CO2) Silver Nitrate (AgNO3)

  12. How to Decide Heterogeneous Mixtures Homogeneous Mixtures Compounds Elements • Is there only 1 type of element? (YES/NO) NO YES

  13. Homogeneous matter that consists of only 1 type of atom Constant composition Pure Only 1 element type in formula Elements

  14. Element Examples Carbon Oxygen Elements are pure matter consisting of only one type of atom Uranium

  15. How to Decide Heterogeneous Mixtures Homogeneous Mixtures Compounds Elements • Is there only 1 type of element? (YES/NO) NO YES

  16. The BigPicture(click 3 times) Do you see only one part? YES NO Is the matter pure? NO YES Is there only 1 type of element? YES NO Heterogeneous Mixtures Homogeneous Mixtures Compounds Elements

  17. Quiz Yourself Click on the link below. It will take you to a brief assessment based on the content of the presentation. https://spreadsheets.google.com/viewform?formkey=dGJIZWlZMEtzT3hERjBMN1duUko2ZUE6MQ

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