Biology

9th -

12thgrade

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McGraw Hill Biology Chapter 6

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  • 1. Multiple Choice
    30 seconds
    1 pt

    _______ are the building blocks of matter.

    Cells

    Atoms

    Protons

    Electrons

  • 2. Multiple Choice
    30 seconds
    1 pt

    The center of the atom, which contains protons and neutrons, is called the _______________.

    Electron

    Atom

    Proton

    Nucleus

  • 3. Multiple Choice
    30 seconds
    1 pt

    _______ are positively charged particles (p+)

    Protons

    Neutrons

    Electrons

    Neutrinos

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