Grade 9 – Chemistry

8 chapters in this subject

Back
1
1. The Language of Chemistry
Symbols, valency, formulae, balancing equations
3 topics Open
2
2. Chemical Changes and Reactions
Types of reactions, energy changes
2 topics Open
3
3. Water
Universal solvent, hardness, hydrated substances
2 topics Open
4
4. Atomic Structure & Chemical Bonding
Subatomic particles, electrovalent & covalent bonds
2 topics Open
5
5. The Periodic Table
Dobereiner, Newlands, Mendeleev, Modern periodic table
2 topics Open
6
6. Study of the First Element – Hydrogen
Preparation, properties, uses of hydrogen
2 topics Open
7
7. Study of Gas Laws
Boyle's Law, Charles' Law, Gas equation
1 topics Open
8
8. Atmospheric Pollution
Acid rain, global warming, ozone depletion
1 topics Open