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Grade 11 Chemistry

Course Overview:
 

Grade 11 Chemistry introduces students to the fundamental principles that explain the behaviour of matter and chemical systems. Students develop an understanding of atomic structure, chemical bonding, chemical reactions, quantitative relationships, solutions and solubility, and the behaviour of gases. Through laboratory investigations, mathematical problem-solving, and scientific inquiry, students learn how chemistry explains everyday phenomena and supports innovations in health, industry, technology, and the environment. This course establishes the essential chemical concepts required for Grade 12 Chemistry.

Unit 1 — Matter, Chemical Trends, and Chemical Bonding
 

Main Topics Include:
 

  • Atomic structure and atomic theory

  • Arrangement of elements in the periodic table

  • Periodic trends

  • Electron configurations

  • Ionic and covalent bonding

  • Lewis structures

  • Molecular shapes and polarity

  • Relationship between bonding and physical properties

Unit 2 — Chemical Reactions
 

Main Topics Include:
 

  • Chemical nomenclature and formulas

  • Writing and balancing chemical equations

  • Types of chemical reactions

  • Predicting products of reactions

  • Complete and net ionic equations

  • Oxidation and reduction

  • Evidence and applications of chemical reactions

  • Environmental effects of chemical processes

Unit 5 — Gases and Atmospheric Chemistry
 

Main Topics Include:
 

  • Properties and behaviour of gases

  • Kinetic molecular theory

  • Pressure, volume, and temperature relationships

  • Boyle’s, Charles’s, Gay-Lussac’s, and combined gas laws

  • Ideal gas law

  • Dalton’s law of partial pressures

  • Stoichiometry involving gases

  • Chemical composition of Earth’s atmosphere

Unit 3 — Quantities in Chemical Reactions
 

Main Topics Include:
 

  • The mole and Avogadro’s constant

  • Molar mass

  • Percentage composition

  • Empirical and molecular formulas

  • Stoichiometric calculations

  • Limiting and excess reagents

  • Theoretical and actual yield

  • Percentage yield

Unit 4 — Solutions and Solubility
 

Main Topics Include:
 

  • Properties of solutions

  • Solubility and factors affecting solubility

  • Concentration calculations

  • Preparation and dilution of solutions

  • Ionic compounds in aqueous solutions

  • Precipitation reactions

  • Acids and bases

  • Environmental effects of dissolved substances

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