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Matter: Elements, Compounds, and Mixtures

Delve into the classifications of matter, including elements, compounds, and mixtures. Learn about the distinct properties and examples of each category. Explore heterogeneous and homogeneous mixtures, chemical changes, and methods for separating mixtures.

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Matter: Elements, Compounds, and Mixtures

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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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