Class Lecture Notes for CHEM 21A at El Camino Community College

The following documents are lecture materials for Chapter 12 that will be used in class. Please download them and bring them to class.


  • Chapter 12, section 12.1 - Alkenes and Alkynes
  • Chapter 12, sections 12.2 - Cis and Trans Isomers
  • Chapter 12, sections 12.3 - Addition Reactions
  • Chapter 12, section 12.4 - Polymers of Alkenes
  • Chapter 12, sections 12.5 - Aromatic Compounds