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Atomic Structure

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  • The model we use to draw atoms is called a...
    Bohr model
  • What is the overall charge of the nucleus?
    Positive
  • Abraham wants to draw a Lewis dot structure of sulfur. How many dots does he need and how should he place them?
    6 dots for 6 valence electrons. Two at the top and right, one each on left and bottom.
  • Which subatomic particles can be found inside the nucleus?
    Protons and neutrons
  • The mass of an electron is...
    Approx. zero, far less than the mass of a proton or a neutron
  • Atoms are neutral if...
    the number of electrons equals the number of protons
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