Classification of Matter Flashcards
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Questions and Answers

What is a mixture?

  • Single substance
  • Pure substance
  • Chemical formula
  • Multiple substances (correct)
  • What defines a pure substance?

  • Different kinds of atoms
  • Multiple substances
  • Mixture of phases
  • Single substance (correct)
  • Which of the following describes a homogeneous mixture?

  • Non-uniform
  • Multiple phases
  • Same phase (correct)
  • Separates easily
  • Which of the following describes a heterogeneous mixture?

    <p>Multiple phases</p> Signup and view all the answers

    What is an element?

    <p>Single kind of atom</p> Signup and view all the answers

    What are compounds?

    <p>Multiple atoms, different kinds</p> Signup and view all the answers

    Study Notes

    Classification of Matter

    • Mixture

      • Composed of multiple substances.
      • Contains more than one type of matter, which may vary in composition.
    • Pure Substance

      • Consists of only one type of substance.
      • Uniform in composition and properties throughout.

    Types of Mixtures

    • Homogeneous Mixture

      • Mixture with the same phase throughout.
      • Exhibits uniform composition and properties.
      • Examples include salt dissolved in water and alloys like gold mixed with copper.
    • Heterogeneous Mixture

      • Mixture containing multiple phases.
      • Non-uniform composition, where components do not mix well.
      • Examples include a mixture of sand and water or chocolate chip cookies.

    Key Entities

    • Element

      • A pure substance made up of only one type of atom.
      • Identified by a unique chemical symbol, such as carbon (C) or silver (Ag).
    • Compounds

      • Pure substances formed from different kinds of atoms.
      • Represented by a chemical formula, such as carbon dioxide (CO2) and pure water (H2O).

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    Description

    Explore the concepts of mixtures and pure substances with these flashcards. Learn about homogeneous and heterogeneous mixtures, including their definitions and examples. This quiz is essential for understanding the basic principles of matter classification.

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