R15.18

Resource Description

  • Concept of electronegativity
  • Classification of bond types according to differences in electronegativity
  • Non-polar bonds
  • Linear and diatomic molecules
  • Unequal sharing of electron pairs & electronegativity differences
  • Electronegativity and the changes in the Periodic Table
  • Polar covalent bonds & when formed
  • Ionic bonds & when formed
  • Polarity of water vs xylene, electronegativities & shapes
  • Comparing & classifying substances into covalent, polar covalent & ionic.

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