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Matter and materials

Chemistry

After this lesson, you should be able to:

  • Explain the concepts electronegativity, polar and non-polar bond, dipole
  • Show polarity of bonds using partial charges
  • Compare polarities of bonds using a table of electronegativities
  • Distinguish types of bonds in terms of difference in electronegativity (\(\Delta\)EN)
  • Predict polarity of a molecule
  • Define bond energy and bond length
  • Explain the relationship between bond energy and bond length
  • Explain the relationship between bond strength and
  • bond length
  • size of atoms
  • number of bonds between atoms