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Matter Classification

Matter Classification. Matter Flowchart Pure Substances Mixtures. MIXTURE. PURE SUBSTANCE. yes. no. yes. no. Is the composition uniform?. Can it be chemically decomposed?. Colloids. Suspensions. A. Matter Flowchart. MATTER. yes. no. Can it be physically separated?.

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Matter Classification

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  1. Matter Classification Matter Flowchart Pure Substances Mixtures

  2. MIXTURE PURE SUBSTANCE yes no yes no Is the composition uniform? Can it be chemically decomposed? Colloids Suspensions A. Matter Flowchart MATTER yes no Can it be physically separated? Homogeneous Mixture (solution) Heterogeneous Mixture Compound Element

  3. A. Matter Flowchart • Examples: • graphite • pepper • sugar (sucrose) • paint • soda element hetero. mixture compound hetero. mixture solution

  4. B. Pure Substances • Element • composed of identical atoms • EX: copper wire, aluminum foil

  5. B. Pure Substances • Compound • composed of 2 or more elements in a fixed ratio • properties differ from those of individual elements • EX: table salt (NaCl)

  6. B. Pure Substances • For example… Two different compounds, each has a definite composition.

  7. C. Mixtures • Variable combination of 2 or more pure substances. Heterogeneous Homogeneous

  8. Tyndall Effect Disperses Light

  9. Tyndall Effect C. Mixtures • Solution • homogeneous • very small particles • No Tyndall effect • particles don’t settle • EX: rubbing alcohol

  10. C. Mixtures • Colloid • heterogeneous • medium-sized particles • Tyndall effect • particles don’t settle • EX: milk

  11. C. Mixtures • Suspension • heterogeneous • large particles • particles settle • EX: fresh-squeezed lemonade

  12. C. Mixtures • Examples: • mayonnaise • muddy water • fog • saltwater • Italian salad dressing colloid suspension colloid solution suspension

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