AP Chemistry Grade 9 - Notes & Study Material for Grade 9
Get access to free study material for AP Chemistry of Grade 9 for 2026 exams, with Revision Notes, PPTs, Flashcards, Question & Answer, & more.
Unit 1: Atomic Structure and Properties
| Mind Map: Structure of Atom 1 page |  |
| Atomic Spectrum & Bohr's Model of Hydrogen Atom 9 pages |  |
| Energies of Orbitals & Filling of Orbitals 5 pages |  |
| Atomic Number & Mass Number, Isotopes & Isobars 5 pages |  |
| Electronic Configuration of Atoms 4 pages |  |
| Quantum Numbers, Orbitals & Their Shapes 6 pages |  |
| Important Formulas: Atomic Structure 1 page |  |
| Discovery of Subatomic Particles: Electron, Proton & Neutron 5 pages |  |
| Importance & Scope of Chemistry 10 pages |  |
| Laws of Chemical Combinations 11 pages |  |
| Atomic & Molecular Mass and Mole Concept 13 pages |  |
| Scientific Notation & Significant Figures 6 pages |  |
| Mind Map: Some Basic Concepts Of Chemistry 1 page |  |
| Nature of Matter & Its Properties 5 pages |  |
| Stoichiometry & Concentration Terms 11 pages |  |
| Percentage Composition, Empirical & Molecular Formula 9 pages |  |
| Mind Map: Classification of Elements & Periodicity in Properties 1 page |  |
| The Making of Periodic Table 7 pages |  |
| Modern Periodic Law & Modern Periodic Table 3 pages |  |
| Electronic Configurations & Types of Elements: s, p, d & f-block Elements 7 pages |  |
| Periodicity of Chemical Properties of Elements 3 pages |  |
| Metals, Non-Metals & Metalloids 4 pages |  |
| Periodic Trends in Properties of Elements 19 pages |  |
| Important Graphs of Periodic Properties 9 pages |  |
Unit 2: Molecular and Ionic Compound Structure and Properties
| Mind Map: Chemical Bonding and Molecular Structure 1 page |  |
| VSEPR Theory: Definition, Postulates & Limitations 8 pages |  |
| Chemical Bonding: Definition & Types 17 pages |  |
Unit 3: Intermolecular Forces and Properties
| Intermolecular Forces: Definition and Types 6 pages |  |
| Solutions: Mixtures & Types of Solutions 6 pages |  |
| Solubility of liquids in liquids and Gases in Liquids 4 pages |  |
| Dual Nature Of Radiation And Matter 16 pages |  |
| Kinetic Particle Theory 1 page |  |
| Changes in States 2 pages |  |
Unit 4: Chemical Reactions
| Redox Reactions: Oxidation & Reduction, Oxidation Number 12 pages |  |
| PPT: Redox Reaction 25 pages |  |
| Types of Redox Reactions 4 pages |  |
| Balancing Redox Equations 7 pages |  |
| Mind Map: Redox Reaction 1 page |  |
| Flashcards: Redox Reactions 34 pages |  |
| Physical and Chemical Change 1 page |  |
| Chemical Equations 6 pages |  |
Unit 5: Kinetics
| Chemical Kinetics: Reaction Rate, Order & Molecularity 16 pages |  |
| Mind Map: Chemical Kinetics 1 page |  |
| Revision Notes: Chemical Kinetics 3 pages |  |
| Arrhenius Equation, Collision Theory & Pseudo First Order Reaction 20 pages |  |
| Order & Molecularity of a Reaction 5 pages |  |
| Collision Theory & Variations in Arrhenius Equation 9 pages |  |
Unit 6: Thermodynamics
| Thermodynamics: Common Terms, State Function, Reversible & Irreversible Processes 10 pages |  |
| Mind Map: Thermodynamics 1 page |  |
| Internal Energy as a State Function, Heat & Work 5 pages |  |
| PPT: Thermodynamics 15 pages |  |
| Flashcards: Thermodynamics 79 pages |  |
| Important Formulas: Thermodynamics 5 pages |  |
| First Law of Thermodynamics 5 pages |  |
| Adiabatic Expansion: Reversible & Irreversible 4 pages |  |
| Pressure-Volume Work & Work Done Calculations 8 pages |  |
| Revision Notes: Thermodynamics 8 pages |  |
| Carnot cycle & Gibbs Energy Change: Spontaneous & Non Spontaneous Process 9 pages |  |
| Enthalpy, Heat, Internal Energy & Work Done Calculations in Different Processes 12 pages |  |
| Thermodynamic Processes & Internal Energy 7 pages |  |
| Enthalpy, Heat Capacities & Thermochemistry 15 pages |  |
| 2nd & 3d Law: Entropy Change & Spontaneity 9 pages |  |
Unit 7: Equilibrium
| Equilibrium in Physical Processes 6 pages |  |
| Solved Objective Problems: Chemical Equilibrium 7 pages |  |
| Flashcards: Equilibrium 38 pages |  |
| Mind Map: Equilibrium 1 page |  |
| PPT: Equilibrium 26 pages |  |
| Equilibrium in Chemical Processes: Dynamic Equilibrium, Law of Chemical Equilibrium 7 pages |  |
| Equilibria: Types & Relation Between K, Q & G 9 pages |  |
| Ionic Equilibrium, Ostwald’s Dilution Law & Related Concepts 8 pages |  |
| Ionization of Polybasic Acids 1 page |  |
| Factors Affecting Equilibria & Le Chatelier's Principle 10 pages |  |
| Solubility Equilibria of Sparingly Soluble Salts 6 pages |  |
Unit 8: Acids and Bases
| Acids, Bases and Salts 1 page |  |
| Equilibria: Types & Relation Between K, Q & G 9 pages |  |
| Indicators, Acids, Bases & Salts 26 pages |  |
| Ionization of Polybasic Acids 1 page |  |
| Henderson equation: Calculation of pH of a Buffer Mixture 1 page |  |
| Self Ionization of Water and Buffer 9 pages |  |
| Solubility Equilibria of Sparingly Soluble Salts 6 pages |  |
Unit 9: Applications of Thermodynamics
| Daniell Cell & Galvanic Cell 6 pages |  |
| Electrolytic Cells, Electrolysis & Products of Electrolysis 17 pages |  |
| Electrochemical Cells, Galvanic Cells & Measurement of Electrode Potential 4 pages |  |
| Nernst Equation, Conductance, & Conductivity 9 pages |  |
| PPT: Electrolysis Products of Electrolysis 17 pages |  |
| Faraday's Laws of Electrolysis 3 pages |  |
| Important Formulas: Electrochemistry 2 pages |  |
| Types of Redox Reactions 4 pages |  |
| Mind Map: Electrochemistry 1 page |  |
| Balancing Redox Equations 7 pages |  |