Chemistry

10th

grade

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Structure of the Atom

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20 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    What is at the center of every atom?
    An electron
    A compound
    A molecule
    A nucleus
  • 2. Multiple Choice
    45 seconds
    1 pt
    Which two particles make up the nucleus of an atom?
    Protons and Electrons
    Protons and Neutrons
    Molecules and Compounds
    Neutrons and Electrons
  • 3. Multiple Choice
    45 seconds
    1 pt
    In an atom, what is the number of protons equal to?
    The number of electrons.
    The number of neutrons.
    The number of molecules.
    The number of nuclei.
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