Chemistry

9th

grade

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Molecules, Compounds, & Elements

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18 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Which of the following is not a compound?

    HCl

    Cl2

    NaCl

    CO2

  • 2. Multiple Choice
    1 minute
    1 pt
    Which of the following represents an element?
    H2O
    H2
    NaCl
    CaCO3
  • 3. Multiple Choice
    1 minute
    1 pt
    Image
    Name this compound: H2O
    Water
    Carbon dioxide
    Hydrogen peroxide 
    Sulfuric acid
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