Lesson Plan: Electronegativity Chemistry

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to explain the chemical property of electronegativity.


Students will be able to

  • define and understand the concept of electronegativity,
  • describe trends in electronegativity across the periodic table,
  • use Linus Pauling’s numerical values to compare the electronegativity of different elements,
  • list factors that affect electronegativity,
  • predict the type of bonding that is likely to occur from differences in electronegativity.


Students should already be familiar with

  • the basic concept of intermolecular forces,
  • ionic and covalent bonding,
  • the concept of electron shells and simple electronic configuration,
  • the calculation of electronegativities using bond dissociation energies.


Students will not cover

  • polar bonding or polar molecules in detail,
  • how electronegativity relates to polar and nonpolar solvents,
  • other scales used to measure electronegativity.

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