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Understanding the Properties of Matter: Physical and Chemical Characteristics

This guide explores the fundamental properties of matter, including pure substances such as compounds and elements. Learn about the unique composition of pure substances, exemplified by water (H₂O). Discover key physical properties detectable without altering the material, like hardness, texture, and phase (solid, liquid, gas). Additionally, we delve into the properties of metals, such as luster and malleability, as well as essential chemical properties like flammability and reactivity. Enhance your understanding of matter through these essential concepts.

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Understanding the Properties of Matter: Physical and Chemical Characteristics

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Presentation Transcript

  1. Describing Matter What Properties Describes matter?

  2. Substance • Compounds and elements are pure substances. • It is pure, has a specific make up or composition. • Example: Water is a pure substance: • It is a compound • Molecular formula H20 • always the same

  3. Physical Properties of Matter • A physical property of a substance can be observed without changing it into another substance. • Hardness * Melting Point • Texture *Freezing Point • Color • Temperature • Solid, liquid, gas

  4. Physical Properties of metal • Luster – ability to shine • Ductility – can be shaped into a thin wire • Malleability – can be shaped into a flat surface • Conductivity – ability to transfer heat and electricity • Magnetism – attracted to magnets

  5. Chemical Properties • A chemical property will be observed when a substance changes into another substance • Example of chemical properties • Flammability • Reactivity • Ability to rust • combustion

  6. Sodium combustion with water • http://www.youtube.com/watch?v=MTcgo46nxNE

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