School Subjects
Most viewed lessons
Разделы
99
lessons
Lower Secondary
98
lessons
Upper Secondary
9
lessons
1. States of matter
3
lessons
10. Reactivity of metals
3
lessons
11. Electrolysis
5
lessons
12. Organic chemistry
6
lessons
13. Chemical reactions
4
lessons
14. Useful products from organic sources
6
lessons
15. Useful products from rocks
3
lessons
16. Useful products from air
4
lessons
17. Food and drugs
9
lessons
18. Chemistry and the Earth
4
lessons
19. Laboratory techniques and analytical tests
3
lessons
2. Elements, compounds and mixtures
1
lesson
20. Safety in the chemical laboratory
6
lessons
3. Atomic structure
8
lessons
4. Bonding
3
lessons
5. Representing chemical reactions
3
lessons
6. Quantitative aspects of chemical reactions
7
lessons
7. Acids, bases and salts
4
lessons
8. Water and water solutions
8
lessons
9. The periodic table and chemical properties of the elements
4
lessons
1. Atomic structure
3
lessons
10. Chemical equilibria
7
lessons
11. Acids, bases and salts
2
lessons
12. Transition metals
2
lessons
13. Reaction of metal ions in water solution
6
lessons
14. Hydrocarbons
5
lessons
15. Haloalkanes, alcohols and epoxides
4
lessons
16. Compounds with the carbonyl group
2
lessons
17. Aromatic compounds
3
lessons
18. Organic compounds of nitrogen
2
lessons
19. Biologically important chemical compounds
4
lessons
2. Bonding
2
lessons
20. Polymers
5
lessons
21. General topics in organic chemistry
8
lessons
22. Spectrometric techniques
3
lessons
23. Environmental pollution by chemical products
5
lessons
3. Phases and phase changes
4
lessons
4. Stoichiometric calculations
7
lessons
5. Periodic table
4
lessons
6. Oxidation and reduction
3
lessons
7. Electrochemistry
7
lessons
8. Thermodynamics
6
lessons
9. Reaction kinetics