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Chemistry is the study of matter, its changes and its laws.

CHEMISTRY 20 (5 credits) Semestered
The course is designed to enhance student understanding of chemistry as a physical science. Chemistry 20 is a laboratory-based course which investigates the nature of matter and explores common patterns and processes by which matter and chemical systems change. The interaction between chemistry and technology and the impact of chemistry and related technologies on society are an integral part of the program of study. Chemistry 20 consists of four units of study:
  • Unit 1: Matter as Solutions, Acids, Bases and Gases
  • Unit 2: Quantitative Relationships in Chemical Changes
  • Unit 3: Chemical Bonding in Matter
  • Unit 4: An Introduction to Organic Chemistry
    Recommended Prerequisite: 60% in Science 10

    CHEMISTRY 30 (5 credits) Semestered
    The focus of this course is on helping students understand the principles of chemistry behind natural events they experience and the technology they use in their everyday lives. This course expands upon concepts and skills introduced in Science 10 and Chemistry 20. The three major units of study are:
  • Unit 1: Energy – Thermochemical Changes
  • Unit 2: Electrochemistry
  • Unit 3: Equilibrium, Acids and Bases in Chemical Changes
    Recommended Prerequisite: 60% in Chemistry 20




  • Holy Trinity Catholic High School
    7007-28 Avenue Edmonton, Alberta. T6K 4A5
    Tel: (780) 462-5777
    Fax: (780) 462-5820