Chemistry

7th

grade

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Elements and Metals

377
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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    What is water (H2O)?

    Atom

    Element

    Compound

    Mixture

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    What is oxygen (O2)?

    Atom

    Element

    Compound

    Molecule

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    What is air?

    Molecule

    Element

    Compound

    Mixture

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