Science

6th -

8thgrade

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Chemistry Practice - Identifying elements, compounds, and mixtures

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28 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    A substance that contains all the same type of atom is:

    An element

    A compound

    A heterogeneous mixture

    A homogeneous mixture

  • 2. Multiple Choice
    30 seconds
    1 pt
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    A substance that is composed of two or more elements chemically combined in an exact proportion:

    An element

    A compound

    A heterogeneous mixture

    A homogeneous mixture

  • 3. Multiple Choice
    30 seconds
    1 pt
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    TRUE OR FALSE: Substances in a mixture keep their original properties.

    True

    False

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