Ⅰ.
First Steps in Chemistry
Chemistry and Our Life
Chemical formula and mole
chemical reaction formula
concentration of the solution

Ⅱ.
The world of atoms
Discovery of particles that make up atoms
Atomic structure
Bohr atomic model
Modern atomic model
electron configuration of an atom
periodic table
Effective nuclear charge, atomic radius, and ions
ionization energy

Ⅲ.
The World of Chemical Bonds and Molecules
ionic bonds
Covalent and metallic bonds
Chemical bonding and properties of substances
Polarity of bonds, Lewis dot structure
molecular structure
Polarity and properties of molecules

Ⅳ.
dynamic chemical reactions
dynamic equilibrium
Definition of acid base
Autoionization and pH of water
acid-base neutralization reaction
Redox reaction
Heat input and output in chemical reactions

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