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Classifying Matter

Classifying Matter. Elements , Compounds and Mixtures. Element : simplest form of matter that has a unique set of properties Examples: Oxygen Hydrogen Carbon. Periodic Table of Elements. Compound : substance that contains 2 or more elements chemically combined in a fixed proportion.

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Classifying Matter

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  1. Classifying Matter Elements , Compounds and Mixtures

  2. Element : simplest form of matter that has a unique set of properties Examples: Oxygen Hydrogen Carbon

  3. Periodic Table of Elements

  4. Compound : substance that contains 2 or more elements chemically combined in a fixed proportion. Examples: Water, H2O Sucrose, C12H22O11 Carbon Dioxide, CO2

  5. Mixture: a physical blend of two or more substances that are not chemically combined

  6. Describing Matter Heterogeneous Mixture Homogeneous Mixture Composition is uniform throughout Also called a solution. Examples: Air Steel Vinegar Salt Water Milk • Composition is NOT uniform throughout Examples: • Salad • Chocolate Chip Cookie • Chicken Noodle Soup

  7. Fill in the following notes on your concept map…

  8. matter Mixture Pure substance Physical changes

  9. Pure substance Compound- chemical combination of two or more elements Element- Pure substance that cannot be broken down Chemical change Ex. burning ex. Hydrogen gas (H2) Ex. Water (H2O)

  10. Mixture – Physical combination of two or more substance Heterogeneous mixture Physical combination Of 2 or more substances that is different throughout. Homogenous mixture Physical combination Of 2 or more substances that is the same throughout. ex. Salad dressing Ex. koolaid

  11. Separating Mixtures • Differences in physical properties can be used to separate mixtures. Examples: • Filtration • Distillation • Magnetism

  12. Filtration Separates solids from a liquid in a heterogeneous mixture.

  13. Distillation Process which separates mixtures of liquids with different boiling points.

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