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Classification of Matter

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Jocelyn Bautista

on 25 September 2012

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Transcript of Classification of Matter

Classification of Matter Properties:
Intensive or Extensive? Phyiscal change- a change during which some properties of a material change, but its compostition does not change Changes:
Physical or Chemical? Composition:
Pure Substance or Mixture Element- the simplest form of matter that has a unique set of properties Compound- a substance that contains two or more elements chemically combined in a fixed proportion Homogenous- a mixture that is uniform in composition Heterogeneous- a mixture that is not uniform in composition By Jocelyn Bautista Matter can be classified by its properties, changes, and composition. Honors Chemistry
Dr. Kurth, 1B
September 2012 Intensive property- a property that depends on the type of matter in a sample, not the amount of matter Extensive property- a property that depends on the amount of matter in a sample Ex.: Density, color, boiling point, malleability, conductivity Ex.: Mass, volume, weight, length Chemical change- a change that produces matter with a different composition than the original matter Ex.: boiling water, burning wood, baking, leaf color change Ex.: crumpling paper, cutting wood, breaking glass, melting ice Pure substance- matter that has a uniform and definite composition Mixture- a physical blend of two or more substances that are not chemically combined Mixture Pure Substance Ex.: water, copper sulfate, table sugar Ex.: nitrogen, carbon, copper Ex.: ice in water, sandy water, oil & water Ex.: stainless steel, food coloring, mouthwash Solution Suspension Colloid A mixture whose particles are intermediate in size A mixture from which some of the particles settle out slowly upon standing
A homogenous mixture; consists of solutes dissolved in a solvent Muddy water, sandy water, paint Toothpaste, milk, fog Salt water, lemonade (from powder),
Kool-Aide Heterogeneous: Heterogeneous: Homogeneous: table salt salt water
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