Ⅰ.
First Steps in Chemistry

01.
Chemistry and Our Life
02.
Chemical formula and mole
03.
Chemical reaction equation and solution concentration

Ⅱ.
The world of atoms

04.
Atomic structure
05.
atomic model
06.
electron configuration of an atom
07.
periodic table
08.
Periodic properties of elements

Ⅲ.
The World of Chemical Bonds and Molecules

09.
ionic bonds
10.
Covalent and metallic bonds
11.
Polarity of bond
12.
Structure and properties of molecules

Ⅳ.
dynamic chemical reactions

13.
dynamic equilibrium
14.
Automatic ionization of water
15.
acid-base neutralization reaction
16.
Redox reaction
17.
Heat input and output in chemical reactions

Special materials for the College Scholastic Ability Test (CSAT)

1.
O2 Chemistry I is a college entrance exam book that thoroughly analyzes the 15th revision of the college entrance exam and the previous exam questions from the Korea Institute of Curriculum and Evaluation.
2.
The core content for school grades and the CSAT is organized in a simple and concise manner using concepts and diagrams so that it can be understood at a glance.

3.
It consists of various problems using frequently appearing college entrance exam materials.