Science

9th

grade

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structure of the atom

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10 questions

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  • 1. Multiple Choice
    30 seconds
    5 pts

    Subatomic particles with a negative charge

    Electrons

    Neutrons

    Protons

    Quarks

  • 2. Multiple Choice
    30 seconds
    5 pts

    Value representing the number of protons in an element

    Atomic Number

    Valence Electrons

    Mass Number

  • 3. Multiple Choice
    30 seconds
    5 pts

    Subatomic particles that are neutral in charge

    Nucleus 

    Electrons

    Protons

    Neutrons

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