Chemical elements and the Periodic table (revision)
Properties of metals, nonmetals and their compounds
Atomic structure
Atomic structure and the Periodic table
Structure of the atom (exercise)
Chemical bonding
Types of covalent bonds
Ionic bond. Structure of the metals
Chemical bonding (exercise)
Crystalline substances
Structure and properties of the substances (laboratory exercise)
Structure of matter (revision)
Metals of II A group of the Periodic table
III A group of the Periodic table. Aluminium
Properties of metals (laboratory exercise)
Basic oxides and hydroxides
Calcium oxide and calcium dihydroxide (laboratory exercise)
Compounds of aluminium
Significance of metals and their compounds
Preparation and examination of aluminium compounds (laboratory exercise)
Metals and their compounds (exercise)
Nonmetals of VIA group of the Periodic table
VA group of the Periodic table. Nitrogen
Acidic ocides
Nonmetals and their oxides (exercise)
Sulfuric acid. Nutric acid
Acids
Properties of dilute sulfuric acid (laboratory exercise)
Significance of nonmetals and their compounds
Simple substances and compounds of nonmetals (revision)
The environment and we, the citizens of the Republic of Bulgaria
Environmental protection
To think like scientists, to be responsible (exercise)