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Atoms and Molecules GG Review

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  • Look at the periodic table of elements. How many protons does oxygen have?
    8
  • What is the name of the chart that lists all the atoms?
    The Periodic Table of Elements
  • Which two subatomic particles are found in the nucleus of an atom?
    protons and neutrons
  • Name the 3 particles that make up atoms
    protons, neutrons, electrons
  • What type of charge do electrons have?
    (-) negative
  • What type of charge does a proton have?
    (+) positive
  • Name an example of an element?
    Carbon, nitrogen, oxygen, xenon, etc.
  • What type of charge does a neutron have?
    no charge (0)
  • Name an example of a molecule.
    Water, carbon dioxide, sodium chloride, etc.
  • How many atoms are in TWO water molecules (H2O)
    six 4 hydrogen and 2 oxygen
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