• Created by: bbaiton
  • Created on: 07-05-18 21:02
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  • Atoms
    • Atoms have a very small radius
    • They contain a positively charged nucleus made up of protons and neutrons
      • The protons and neutrons are surrounded by negatively charged electrons
    • Protons have an electrical charge of +1
    • Electrons have an electrical charge of -1
    • Atoms are made of equal numbers of protons and electrons, so they have no electrical charge
    • The nucleus of an atom contains most of the mass, but its radius is less than 1/10,000 of the radius of the atom
    • The atoms are arranged at different distances from the nucleus (in different energy levels)


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