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Classification and Properties of Matter

Classification and Properties of Matter. Section 1.2 – 1.3. Au. Carbon but there are more Allotropes!. We will do a separation of mixtures lab so you can learn about these techniques!. 1.3 Properties of Matter.

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Classification and Properties of Matter

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  1. Classification and Properties of Matter Section 1.2 – 1.3

  2. Au

  3. Carbon but there are more Allotropes!

  4. We will do a separation of mixtures lab so you can learn about these techniques!

  5. 1.3 Properties of Matter Different types of matter have different distinguishing characteristics that we can use to tell them apart. These characteristics are called; • Physical properties can be measured without changing the composition of the substance • Color, freezing points and boiling point, hardness • Chemical properties describe how the substance reacts or changes into other substances • Undergoes Combustion • Physical Changes are phase changes • Evaporation, freezing, etc.. • Chemical changes involve breaking and formation of bonds • Combustion, decomposition, oxidation

  6. Intensive/Extensive properties • Physical and chemical properties may be intensive or extensive. • Intensive properties such as density, color, and boiling point do not depend on the size of the sample of matter and can be used to identify substances. • Extensive properties such as mass and volume do depend on the quantity of the sample.

  7. Classify as Physical or Chemical Changes • Mothballs vaporize in a closet • HF attacks glass and is used to make etchings • CaCl2 lowers freezing temp of water • An antacid table fizzes • Flashlight battery corrodes • Whole milk curdles as vinegar is added • Boiling water end

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