Chemistry

12th

grade

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Chemistry MCQ 1

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20 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which of the following is something you should NOT do in a lab?

    read the label of chemical bottles before using it

    pour unused chemicals back into their original bottles

    use lots of water to wash skin that has been splashed with chemicals

    take only as much as you need of shared chemicals

  • 2. Multiple Choice
    2 minutes
    1 pt
    The rings around the nucleus of an atom are called...
    energy levels
    electron circles
    proton levels
    neutron clouds
  • 3. Multiple Choice
    2 minutes
    1 pt
    What is the atomic number of Carbon-13 (C)?
    13
    12.01
    6
    26
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