Lewis structures

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Intros
Lessons
  1. Introduction to dot and cross diagrams
  2. Lewis structures: introduction.
  3. How to draw covalent Lewis structures.
  4. How to draw ionic Lewis structures.
  5. Exceptions to the octet rule.
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Examples
Lessons
  1. Draw Lewis structures for simple covalent compounds.
    Draw dot and cross structures for the following molecules:
    1. HCl
    2. N2_2
    3. NH3_3
    4. AlCl3_3
    5. NH4_{4} +
  2. Draw Lewis structures for simple ionic compounds.
    Draw dot and cross structures for the following molecules:
    1. KCl
    2. Na2_2O
    3. CaCl2_2