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The Neutron and Periodicity of Properties

Learning Goals:

At the end of this lesson you should be able to:

  • Associate the atomic number of an element with the number of protons it has
  • Describe the position and electrical charge of the neutron in an atom
  • Represent an atom of a given element using the simplified atomic model
  • Describe the periodicity of certain properties of elements (e.g. chemical reactivity, atomic radius, electronegativity)
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