Grade 9 Chemistry

Focused lessons on chemistry and its importance.

• Unit 1 — Chemistry and Its Importance — Chapter PDF
• Lesson 1 — Definition and Scope of Chemistry
• Lesson 2 — Chemistry and Other Natural Sciences
• Lesson 3 — Chemistry in Society and Industry

Focused lessons on measurements and the scientific method in chemistry.

• Unit 2 — Measurements and the Scientific Method in Chemistry — Chapter PDF
• Lesson 1 — Measurements and SI Units
• Lesson 2 — Uncertainty, Precision and Accuracy
• Lesson 3 — Significant Figures and Scientific Notation
• Lesson 4 — Chemistry as an Experimental Science

Focused lessons on atomic structure.

• Unit 3 — Atomic Structure — Chapter PDF
• Lesson 1 — Laws of Chemical Reactions
• Lesson 2 — Atomic Theory: Dalton to Modern
• Lesson 3 — Discovery of Subatomic Particles
• Lesson 4 — Composition of the Atom and Isotopes
• Lesson 5 — Energy Levels and Electronic Configuration

Focused lessons on periodic classification of elements.

• Unit 4 — Periodic Classification of Elements — Chapter PDF
• Lesson 1 — Early Attempts at Classification
• Lesson 2 — Mendeleev's Periodic Table
• Lesson 3 — The Modern Periodic Table
• Lesson 4 — Periodic Trends

Focused lessons on chemical bonding.

• Unit 5 — Chemical Bonding — Chapter PDF
• Lesson 1 — Introduction to Chemical Bonding
• Lesson 2 — Ionic Bonding
• Lesson 3 — Covalent Bonding
• Lesson 4 — Metallic Bonding