Chemical Bonding

Instructional Objectives

  • Recognize the stability of noble gas configuration and tendency of other elements to attain this configuration through formation of chemical bonds.
  • Explain the attainment of stable noble gas electronic configuration through transfer of electrons resulting in the formation of ionic bonds.
  • Lewis Dot and Pictorial representation of ionic bond formation.
  • Describe and justify some of the common properties of ionic compounds
  • Explain the alternate mode of attainment of stable noble gas configuration through sharing of electrons resulting in the formation of covalent bonds
  • Describe the formation of single, double and triple bonds and depict these with the help of Lewis-dot method and pictorial representation.
  • Describe and justify some of the common properties of covalent substances.
  • Polar and Non polar covalent compounds, it's origin wrt electronegativity and it's impact on solubility
  • Concept of Co ordinate bond.
  • Introduction to metallic bonding and properties of metals

Teaching Process

  • The above mentioned concepts are explained with a lot of examples.
  • Students are given enough class room practice to write Lewis dot and pictorial representation of bonding of various compounds.
  • Relate the periodic table and periodic properties to chemical bonding
  • Introduce allotrope with carbon as an example.
  • Properties of ionic and covalent compounds are taught socratically.
  • Experiments to compliment theory classes

References and suggested reading

Support material and special need modification


  • Experiments on solubility. Polar-polar, Polar- non-polar and non-polar non-polar solute solvent combinations.
  • Experiment on conduction of electricity by ionic and covalent compounds
  • An experiment video (

Assignments and Evaluation

Self Reflection

  • The topic was covered as planned
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