Science

9th

grade

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Chemistry

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    The center of the atom is called

    Nucleus

    Negative

    Molecule

  • 2. Multiple Choice
    30 seconds
    1 pt
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    "a" on the diagram is the

    Electron

    Nucleus

    Compound

  • 3. Multiple Choice
    30 seconds
    1 pt
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    Particle with a positive charge (+)

    Proton

    Neutron

    Mixture

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