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Form 2 Chemistry Online Lessons: Atomic structure and the periodic table

Form 2 Chemistry Online Lessons: Atomic structure and the periodic table. The lessons are in video format.

Lessons (27)

1. Definition of Atom,Nucleus and energy levels
10m 9s
2. The sub-atomic particles of an atom
8m 1s
3. What is atomic number and mass number?
10m 28s
4. Atomic properties of the first 20 elements of the periodic table
16m 46s
5. What are Isotopes?
12m 27s
6. What are energy levels of an atom?
13m 58s
7. Electronic arrangement of an atom with examples
11m 40s
8. How to draw dot and cross diagrams of an atom
9m 37s
9. The periodic table and the modern periodic law
3m 32s
10. Design of the modern periodic table: groups, periods and transitional metals
10m 38s
11. Placing elements in the periodic table
8m 50s

12. What is a relative atomic mass of an element?
6m 59s
13. Measurement of Relative atomic mass
6m 45s
14. How to calculate relative atomic masses of isotopic elements
23m 1s
15. Ion formation with sample illustrations
11m 9s
16. Definition of an ion with examples
6m 0s
17. Definition of cations with examples and illustrations
12m 50s
18. Definition of Anions with examples and illustrations
17m 10s
19. Electron transfer during chemical reactions
8m 55s
20. What are valence electrons?
3m 47s
21. Definition of valency of an element with examples
6m 26s
22. Definition of radicals and examples of some common radicals
5m 28s
23. Oxidation number or oxidation state with explained examples
8m 30s
24. What is a chemical formulae?
5m 22s
25. Deriving the chemical formula of compounds
5m 34s
26. Chemical equations and their key features
6m 44s
27. Balancing chemical equations:rules and guidelines in balancing chemical equations
9m 12s