CHEMISTRY GRADE 9
COURSE DESCRIPTION:
- Matter in Our Surroundings
- Is Matter Around Us Pure
- Atoms and Molecules
- Structure of Atom
Matter in Our Surroundings - Part 1
1
Introduction to Matter in Our Surroundings
3
Change in States of Matter
4
Evaporation
Matter in Our Surroundings - Part 2
2
Solving Questions – Part 2
3
Solving Questions – Part 3
4
Solving Questions – Part 4
5
Exercises – Part 1
Matter in Our Surroundings - Part 3
1
Exercises – Part 2
2
Recap
Is Matter Around Us Pure - Part 1
1
Introduction
2
Types of Mixtures; Solutions
Is Matter Around Us Pure - Part 2
1
Concentration of a Solution
2
Suspensions and Colloids
3
Colloids Explained
4
In text Questions on Page 15 and 18
5
Seperating the Components of a Mixture – Part 1
Is Matter Around Us Pure - Part 3
1
Separating the Components of a Mixture – Part 2
2
Chromatography and Crystallization
3
Physical and Chemical Changes
Is Matter Around Us Pure - Part 4
1
Text Book Questions
2
Exercise 1,2 & 5
3
Exercise 3
4
Exercise 4,6,7,8,9,10,11
Atoms and Molecules - Part 1
1
Introduction
2
Atoms, Elements
3
Modern Day Symbols of Atoms of Different Elements
4
Atomic Mass
Atoms and Molecules - Part 2
1
Molecules of Elements and Compounds ; Ions
2
Writing Chemical Formula – Part 1
3
Writing Chemical Formula – Part 2
4
Molecular Mass and Mole Concept
Atoms and Molecules - Part 3
1
Example 3.3, 3.4, 3.5
Structure of Atom - Part 1
1
Introduction
2
Rutherford’s Model of an Atom – Part 1
3
Rutherford’s Model of an Atom – Part 2
Structure of Atom - Part 2
1
Distribution of Electrons in Shells
2
Valency (Combining Capacity)
3
How to Calculate Valency?
4
Isotopes, Isobars, Atomic Number, Mass Number
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