This book covers the entire curriculum of Chemistry for the 2nd Gymnasium. It is divided into 4 general units for better distribution and teaching of the material. It includes:

- Theory per unit in the form of "What you need to know" with everything contained in the course material in a simple but analytical wording and many examples

- Questions of various types for better consolidation of the theory

- Methodology of exercises for all cases that the student may encounter with corresponding solved basic exercises, in order to achieve the goal of understanding and consolidation of the methodology

- Categorized and carefully selected exercises for solution, the number and variety of which ensure the proper preparation of the student without being excessive, as well as combined exercises solved and unsolved per unit

- Evaluation criteria per unit with topics for the student's excellent preparation for all types of exams

- Solutions-Answers-Guidelines for all Questions-Exercises-Evaluation criteria of this book as well as Solutions-Answers of the textbook.