CHEMISTRY Class 9

Matter in Our Surroundings		Open
Characteristics of Particles of Matter States of Matter Evaporation

Is Matter Around Us Pure?		Open
What is a Mixture? What is a Solution? Separating the Components of a Mixture Physical and Chemical Changes

Atoms and Molecules		Open
Laws of Chemical Combination What is an Atom? What is a Molecule? Mole Concept

Structure of the Atom		Open
Thomson's Atomic Model Rutherford's Atomic Model Bohr's Atomic Model Valency Atomic Number and Mass Number Isotopes

Class 9th