Chemistry Topic Pages
GENERAL CHEM TOPICS
AP®︎ CHEMISTRY
The topics listed below may appear in a variety of first-year high school chemistry courses including college-prep Chemistry and Honors Chemistry, with some more advanced topics included as well. These help pages are based on the idea that you should immerse yourself in topics through problems. Rather than textbook explanations or pages of notes these topics pages focus on understanding specific concepts through the typical types of problems you might encounter on an assessment.
Matter and Measurement
Classification of Matter
Density
Scientific Notation
Units
Dimensional Analysis (Unit Conversions)
Significant Figures
Accuracy vs. Precision
Atomic & Electronic Structure/ Periodic Table
Isotopic Notation
Periodic Trends
Shielding / Zeff
Orbitals
Electron Configuration
Quantum numbers
Paramagnetism and Diamagnetism
Introduction to Light
UV-VIS spectroscopy
Bonding & Intermolecular Forces (IMFs)
Types of Compounds & Properties
Lewis structures
Expanded Octet
Resonance
Formal Charge
VSEPR Theory
Polarity
Intermolecular Forces
Solubility
Nomenclature
Ionic compounds
Covalent/ Molecular Compounds
Acids
Simple Organic
The Moles
Molar Mass
Mass Percent
Avogadro's Number
Empirical Formula
Combustion Analysis
Chemical Reactions
Balancing Equations
Types of Reactions, Intro
Single Replacement
Double Displacement
Decomposition
Stoichiometry
Stoichiometry, General
Molar Ratio
Limiting reactant
Excess reactant
Gas stoichiometry (at STP or PV=nRT)
Solution stoichiometry
Percent Yield & Percent Error
Gas Behavior
Gas Laws
Ideal Gas Law
Kinetic Molecular Theory
Dalton's Law of Partial Pressures
Graham's Law
Maxwell-Boltzmann distribution
Real vs. Ideal gas behavior
Solutions
Molarity
Preparing a solution
Dilution
Solubility rules
Complete & Net Ionic Equations
Colligative properties
Thermochemistry
Heat Flow
Energy diagrams
Thermochemical equations
Heating/ Cooling curves
Specific Heat Capacity
Calorimetry
Hess's Law
Enthalpies of formation
Bond enthalpies
Kinetics
Collision Theory
Rate Comparisons
Integrated Rate Law
Differential Rate Law
Equilibrium
Equilibrium
Calculating K
K vs Q
ICE Tables
Le Chatelier's Principle
Acids & Bases
Definitions
Conjugate Acids & Base Pairs
Autoionization of water
pH Scale
Strong Acids/ Bases
Ka and Kb
Buffer
Titrations
Indicators
pH salts
Entropy and Free Energy
Entropy
Gibb's Free Energy
G and Temperature
Redox and Electrochemistry
Oxidation numbers
Half Reactions
Balancing Redox reactions
Voltaic cells
Cell potential (standard conditions)
Cell potential (non-standard)
Electrolysis
Quantitative Electrochemistry
Equilibrium
7.1 Introduction to Equilibrium
7.2 Direction of Reversible Reactions
7.3 Reaction Quotient and Equilibrium Constant
7.4 Calculating the Equilibrium Constant
7.5 Magnitude of the Equilibrium Constant
7.6 Properties of the Equilibrium Constant
7.7 Calculating Equilibrium Concentrations
7.8 Representations of Equilibrium
7.9 Introduction to Le Chatelier's Principle
7.10 Reaction Quotient and Le Chatelier's Principle
7.11 Introduction to Solubility Equilibria
7.12 Common-Ion Effect
Acids & Bases
8.1 Introduction to Acids & Bases
8.2 pH and pOH of Strong Acids and Bases
8.3 Weak Acids and Base Equilibria
8.4 Acid-Base Reactions and Buffers
8.5 Acid-Base Titrations
8.6 Molecular Structure of Acids and Bases
8.7 pH and pKa
8.8 Properties of Buffers
8.9 Henderson-Hasselbalch Equation
8.10 Buffer Capacity
8.11 pH and Solubility
Thermodynamics and Electrochemistry
9.1 Introduction to Entropy
9.2 Absolute Entropy and Entropy Change
9.3 Gibbs Free Energy and Thermodynamic Favorability
9.4 Thermodynamic and Kinetic Control
9.5 Free Energy and Equilibrium
9.6 Coupled Reactions
9.7 Galvanic (Voltaic) and Electrolytic Cells
9.8 Cell Potential and Free Energy
9.9 Cell Potential Under Nonstandard Conditions
9.10 Electrolysis and Faraday's Law
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Atomic Structure and Properties
1.1 Moles and Molar Mass
1.2 Mass Spectra of Elements
1.3 Elemental Composition of Pure Substances
1.4 Composition of Mixtures
1.5 Atomic Structure and Electron Configuration
1.6 Photoelectron Spectroscopy
1.7 Periodic Trends
1.8 Valence Electrons and Ionic Compounds
Compound Structure and Properties
2.1 Types of Chemical Bonds
2.2 Intramolecular Force and Potential Energy
2.3 Structure of Ionic Solids
2.4 Structure of Metals and Alloys
2.5 Lewis Diagrams
2.6 Resonance and Formal Charge
2.7 VSEPR and Bond Hybridization
Intermolecular Forces and Properties
3.1 Intermolecular and Interparticle Forces
3.2 Properties of Solids
3.3 Solids, Liquids, and Gases
3.4 Ideal Gas Law
3.5 Kinetic Molecular Theory
3.6 Deviations from Ideal Gas Law
3.7 Solutions and Mixtures
3.8 Representations of Solutions
3.9 Separation of Solutions and Mixtures Chromatography
3.10 Solubility
3.11 Spectroscopy and the Electromagnetic Spectrum
3.12 Properties of Photons
3.13 Beer-Lambert Law
AP®︎* Chemistry Study & Review Course
Chemical Reactions
4.1 Introduction for Reactions
4.2 Net Ionic Equations
4.3 Representations of Reactions
4.4 Physical and Chemical Changes
4.5 Stoichiometry
4.6 Introduction to Titration
4.7 Types of Chemical Reactions
4.8 Introduction to Acid-Base Reactions
4.9 Oxidation-Reduction (Redox) Reactions
Kinetics
5.1 Reaction Rates
5.2 Introduction to Rate Law
5.3 Concentration Changes over Time
5.4 Elementary Reactions
5.5 Collision Model
5.6 Reaction Energy Profile
5.7 Introduction to Reaction Mechanism
5.8 Reaction mechanism and Rate Law
5.9 Pre-Equilibrium Approximation
5.10 Multistep Reaction Energy Profile
5.11 Catalysis
Thermodynamics
6.1 Endothermic and Exothermic Processes
6.2 Energy Diagrams
6.3 Heat Transfer and Thermal Equilibrium
6.4 Heat Capacity and Calorimetry
6.5 Energy of Phase Changes
6.6 Introduction to Enthalpy of Reaction
6.7 Bond Enthalpies
6.8 Enthalpy of Formation
6.9 Hess's Law
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