📚 Class 9 • KL • Chemistry

Chemistry

5 chapters — complete each to earn XP and build mastery

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1
Atomic Structure
Thomson, Rutherford, Bohr models, electron configuration.
Study Practice
+30 XP
2
Periodic Table
Classification, periods, groups, periodic properties.
Study Practice
+30 XP
3
Chemical Bonding
Ionic, covalent, metallic bonds, Lewis structures.
Study Practice
+30 XP
4
Chemical Reactions
Types of reactions, balancing equations, redox reactions.
Study Practice
+30 XP
5
Solutions
Types, concentration, solubility, saturated/unsaturated.
Study Practice
+30 XP

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