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Classification of Matter - General Chemistry

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Terms in this set (21)

  • Define matter.

    Matter is anything that occupies space and has mass.

  • What are the three main types of matter classification?

    Elements, compounds, and mixtures.

  • What is an element?

    An element is the simplest type of matter composed of only one kind of atom.

  • What is a compound?

    A compound is matter composed of two or more different elements chemically bonded together.

  • What is a mixture?

    A mixture is matter composed of elements and/or compounds physically mixed together.

  • How can compounds be separated?

    Compounds can only be broken down by chemical means.

  • Is gasoline a pure substance?

    No, gasoline is a mixture, not a pure substance.

  • Are only elements pure substances?

    No, both elements and compounds are pure substances.

  • Is milk a homogeneous or heterogeneous mixture?

    Milk is an example of a homogeneous mixture.

  • Is concrete a homogeneous mixture?

    No, concrete is a heterogeneous mixture.

  • What is a homogeneous mixture?

    A mixture with a uniform composition throughout.

  • What is a heterogeneous mixture?

    A mixture with a variable composition and non-uniform appearance.

  • Classify soda: element, compound, or mixture?

    Soda is a homogeneous mixture.

  • Classify smog: element, compound, or mixture?

    Smog is a heterogeneous mixture.

  • Classify trail mix: element, compound, or mixture?

    Trail mix is a heterogeneous mixture.

  • Classify pure oxygen and nitrogen gas: element, compound, or mixture?

    Pure oxygen and nitrogen gas is a homogeneous mixture of elements.

  • Classify ammonia (NH3): element, compound, or mixture?

    Ammonia (NH3) is a compound.

  • Classify a gold bar: element, compound, or mixture?

    A gold bar is an element.

  • Classify orange juice: element, compound, or mixture?

    Orange juice is a heterogeneous mixture.

  • Classify wine: element, compound, or mixture?

    Wine is a homogeneous mixture.

  • Classify saline solution: element, compound, or mixture?

    Saline solution is a homogeneous mixture.