Science

7th

grade

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Atomic Structure

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Subatomic particles with a negative charge

    Electrons

    Neutrons

    Protons

    Quarks

  • 2. Multiple Choice
    30 seconds
    1 pt
    Subatomic particles with a positive charge
    neutrons
    atomic mass
    protons
    isotopes
  • 3. Multiple Choice
    30 seconds
    1 pt
    Measure mainly of the nuclear particles: protons + neutrons
    Subatomic Particles
    Atomic Number
    Atomic Mass
    Gluons
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