Class Materials for CHEM 21A at El Camino Community College

The following documents are for Chapter 1 that was used in this class. Please download them and bring them to class.



  • Chapter 1 - Section 1.1 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.2 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.3 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.4 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.5 & 1.6 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.6 Cont'd- Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.7 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.8 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.9 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.10 - Matter, Measurements, and Calculations
  • Chapter 1 - Section 1.11 - Matter, Measurements, and Calculations