II. Classification of Matter - Paint Valley Middle School

II. Classification of Matter - Paint Valley Middle School

Ch. 18 - Matter I. Classification of Matter (p. 552-559) Matter Flowchart Pure Substances A. Matter Flowchart MATTER yes MIXTURE yes

Is the composition uniform? Homogeneous Mixture (solution) PURE SUBSTANCE no Heterogeneous Mixture

Colloids no Can it be physically separated? yes Can it be chemically decomposed? Compound

Suspensions no Element A. Matter Flowchart Examples: graphite element

pepper hetero. mixture sugar (sucrose) compound paint hetero. mixture

soda solution B. Pure Substances Element composed of identical atoms Hint: Look @ the Periodic Table of Elements EX: copper wire, aluminum foil 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) C. Mixtures A combination of 2 or more pure substances. Heterogeneous

Homogeneous C. Mixtures Solution homogeneous very small particles no Tyndall effect particles dont settle EX: rubbing alcohol Tyndall Effect

C. Mixtures Colloid heterogeneous medium-sized particles Tyndall effect particles dont settle EX: milk C. Mixtures Suspension

heterogeneous large particles Tyndall effect particles settle EX: fresh-squeezed lemonade C. Mixtures Examples: mayonnaise colloid

muddy water suspension fog colloid saltwater solution

Italian salad dressing suspension Summary- Mr. Parr Classifying Matter Song Click on Einstein to see a short rap song on the classification of matter.

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