General Chemistry I
Complete Study Guide — All 13 Chapters
Independent Study Resource
Not affiliated with or endorsed by Yale University
Based on OpenStax Chemistry 2e (CC BY 4.0)
Licensed CC BY 4.0 — commercially sellable
Edition 2026
,Table of Contents
1. Essential Ideas and Measurement
2. Atoms, Molecules, and Ions
3. Composition of Substances and Solutions
4. Stoichiometry of Chemical Reactions
5. Thermochemistry
6. Electronic Structure and Periodic Properties
7. Chemical Bonding and Molecular Geometry
8. Advanced Theories of Covalent Bonding
9. Gases
10. Liquids and Solids
11. Solutions and Colloids
12. Chemical Kinetics
13. Fundamental Equilibrium Concepts
14. Glossary of Key Terms
15. Formula Sheet and Constants
16. Final Exam Strategy and Study Checklist
17. References and Attribution
, Chapter 1 — Essential Ideas and
Measurement
Learning Objectives
1. Define chemistry and the scientific method.
2. Classify matter by state and composition.
3. Distinguish physical and chemical properties and changes.
4. Apply SI units, significant figures, and dimensional analysis.
Key Definitions
Term Definition
Matter Anything that has mass and occupies space.
Element A pure substance that cannot be broken down chemically into simpler
substances.
Compound A pure substance composed of two or more elements in fixed proportion.
Mixture A combination of two or more substances that can be separated
physically.
Homogeneous A mixture with uniform composition throughout.
Mixture
Heterogeneous A mixture with non-uniform composition.
Mixture
Physical Property A property observed without changing substance identity.
Chemical Property A property observed only through chemical change.
Intensive Property A property independent of amount (density, temperature).
Extensive Property A property dependent on amount (mass, volume).