Ⅰ.
The Language of Chemistry

01.
The amount of chemicals and substances in everyday life
Lecture 1: Chemistry and Modern Science, Technology, and Society
Lesson 2: Mole and Amount of Matter
02.
chemical reaction formula
Lesson 3: The Meaning of Chemical Reaction Equations
Lecture 4: Quantitative Relationships in Chemical Reactions

Ⅱ.
Structure and properties of matter

01.
Chemical bonds and bond polarity
Lecture 05: Electrical Properties of Chemical Bonds
Lecture 6: Electronegativity and Bond Polarity
02.
Structure and properties of molecules
Lecture 7: Lewis Dot Diagram, Electron-Pair Repulsion Theory, and Molecular Structure
Lesson 8: Properties of Materials According to Molecular Structure

Ⅲ.
chemical equilibrium

01.
chemical equilibrium
Lecture 9: Reversible Reactions and Chemical Equilibrium
Lecture 10: Equilibrium Constants and Predicting the Direction of a Reaction
02.
chemical equilibrium shift
Lecture 11: Concentration and Pressure Changes and Shifts in Chemical Equilibrium
Lesson 12: Temperature Changes and Shifts in Chemical Equilibrium

Ⅳ.
dynamic chemical reactions

01.
Autoionization and pH of water
Lecture 13: Autoionization and Molar Concentration of Water
Lesson 14_pH
02.
Neutralization reaction
Lecture 15: Quantitative Relationships in Neutralization Reactions
Round of 16_China's Fair Trade

[Exam Preparation]
- Check your skills by grade level

[Special Edition] Correct Answers and Substantial Solutions

[Concept Learning]

· Understand essential core concepts from textbooks
- The core content of the textbook is organized in an easy-to-understand manner using various pictures and materials.
- We have organized the material pick and exploration pick corners to select important materials and explorations for focused learning.
- Detailed corrections and supplementary explanations are included at appropriate places to help with understanding the concepts.
- Difficult terms are presented with Chinese characters or English explanations to make them easy to understand.

· Explore textbooks and analyze materials
- We have selected important research topics and presented them in the form of process, results, and summary along with photographic materials, and have created confirmation questions to check whether the research activities have been understood.

· Basic solid problem
- It consists of fill-in-the-blank questions, short answer questions, and true or false questions by topic for concept organization.
- It is composed of various types of easy problems so that you can quickly check your level of understanding of the concept.

· Problems that improve your skills
- We have compiled a variety of practical problems to help you review important concepts.

- We have created a separate set of descriptive questions to help you prepare for school descriptive exams.

· Intermediate level practice problems
- We have composed descriptive questions along with various practical problems that allow you to review important concepts for each unit.

· Summary of key points of the final chapter
- We have summarized the key contents of each chapter so that you can quickly check them.

- It is structured so that you can organize important concepts by writing them down yourself.

· Unit evaluation questions
- At the end of each unit, we have organized assessment problems that allow you to check the concepts you must know through questions, along with descriptive questions.

[Exam Preparation]

· Check your skills
- To help you prepare for school exams, we have provided expected school exam questions and structured descriptive questions.

[ Correct answer / Substantial explanation ]

- We provide detailed and friendly explanations that are easy to understand.
- Includes avoiding wrong answers, adding concepts, and analyzing data.