Skip to main content
Dr. Shreyank Educare
Curriculum-aligned learning support — not an official school, university, or ministry-approved course, and not a replacement for official credit.

Advanced Placement (AP) · Chemistry · Advanced

AP Chemistry

Deep AP Chemistry lessons across all nine units — atomic structure to electrochemistry — with adaptive mastery, exam-style practice (multiple-choice + free response), FRQs, and optional Advanced Reasoning and Elite Challenge problems.

Contents

readnot started

1

Atomic Structure & Properties

5 of 5 published

  1. 1.1
    Moles & Molar Mass

    The mole, Avogadro’s number and mass–mole conversions.

    Published

  2. 1.2
    Mass Spectra & Isotopes

    Reading mass spectra; average atomic mass from isotopes.

    Published

  3. 1.3
    Electron Configuration

    Aufbau, Pauli and Hund; orbital diagrams.

    Published

  4. 1.4
    Photoelectron Spectroscopy

    Interpreting PES to map electron shells.

    Published

  5. 1.5
    Periodic Trends

    Atomic radius, ionization energy, electronegativity.

    Published

2

Molecular & Ionic Bonding

5 of 5 published

  1. 2.1
    Ionic vs Covalent

    Bonding models and lattice energy.

    Published

  2. 2.2
    Lewis Structures & Formal Charge

    Drawing structures; choosing the best resonance form.

    Published

  3. 2.3
    VSEPR & Molecular Geometry

    Predicting shapes and bond angles.

    Published

  4. 2.4
    Hybridization

    sp, sp², sp³ and σ/π bonding.

    Published

  5. 2.5
    Bond Polarity & Resonance

    Dipoles, polarity and delocalisation.

    Published

3

Intermolecular Forces & Properties

5 of 5 published

  1. 3.1
    Intermolecular Forces

    LDFs, dipole–dipole, hydrogen bonding.

    Published

  2. 3.2
    Solids, Liquids & Gases

    Particle models and phase behaviour.

    Published

  3. 3.3
    Ideal Gas Law

    PV = nRT and gas stoichiometry.

    Published

  4. 3.4
    Kinetic-Molecular Theory

    Speed distributions; deviations from ideal.

    Published

  5. 3.5
    Solutions & Concentration

    Molarity, dilution and colligative properties.

    Published

4

Chemical Reactions

5 of 5 published

  1. 4.1
    Reaction Types

    Synthesis, decomposition, replacement, combustion.

    Published

  2. 4.2
    Net Ionic Equations

    Spectator ions and precipitation.

    Published

  3. 4.3
    Stoichiometry

    Limiting reactant, yield and mass–mass problems.

    Published

  4. 4.4
    Titrations

    Acid–base and redox titration calculations.

    Published

  5. 4.5
    Redox Basics

    Oxidation states and balancing half-reactions.

    Published

5

Kinetics

5 of 5 published

  1. 5.1
    Reaction Rates

    Defining and measuring rate.

    Published

  2. 5.2
    Rate Laws

    Order, rate constants and method of initial rates.

    Published

  3. 5.3
    Integrated Rate Laws & Half-Life

    Zero, first and second order.

    Published

  4. 5.4
    Arrhenius & Activation Energy

    Temperature dependence of rate.

    Published

  5. 5.5
    Mechanisms & Catalysis

    Rate-determining steps; catalysts.

    Published

6

Thermodynamics

5 of 5 published

  1. 6.1
    Enthalpy & Calorimetry

    Heat, q = mcΔT and enthalpy change.

    Published

  2. 6.2
    Hess’s Law

    Combining thermochemical equations.

    Published

  3. 6.3
    Bond & Formation Enthalpies

    ΔH from bonds and ΔHf°.

    Published

  4. 6.4
    Entropy

    Disorder and predicting ΔS.

    Published

  5. 6.5
    Gibbs Free Energy

    ΔG = ΔH − TΔS and spontaneity.

    Published

7

Equilibrium

5 of 5 published

  1. 7.1
    Kc & Kp

    Writing and using equilibrium constants.

    Published

  2. 7.2
    Reaction Quotient

    Predicting the direction of shift.

    Published

  3. 7.3
    Le Châtelier’s Principle

    Responses to stress.

    Published

  4. 7.4
    ICE Tables

    Solving for equilibrium concentrations.

    Published

  5. 7.5
    Solubility & Ksp

    Precipitation and the common-ion effect.

    Published

8

Acids & Bases

5 of 5 published

  1. 8.1
    pH & pOH

    Autoionisation and the pH scale.

    Published

  2. 8.2
    Strong vs Weak

    Ka, Kb and percent ionisation.

    Published

  3. 8.3
    Buffers

    Henderson–Hasselbalch and buffer capacity.

    Published

  4. 8.4
    Titration Curves

    Equivalence points and indicators.

    Published

  5. 8.5
    Polyprotic & Salts

    Stepwise ionisation and salt hydrolysis.

    Published

9

Applications of Thermodynamics (Electrochemistry)

5 of 5 published

  1. 9.1
    Oxidation States & Redox

    Assigning states; balancing in acid/base.

    Published

  2. 9.2
    Galvanic Cells

    Cell notation and electron flow.

    Published

  3. 9.3
    Cell Potential & Nernst

    E°cell and concentration effects.

    Published

  4. 9.4
    Electrolysis & Faraday

    Moles of electrons and deposited mass.

    Published

  5. 9.5
    ΔG, K & emf

    Linking thermodynamics and electrochemistry.

    Published

What is AP Chemistry?

Short answer

AP Chemistry is a college-level introductory chemistry course and exam administered by the College Board. It covers nine units — from atomic structure and bonding through intermolecular forces, reactions, kinetics, thermodynamics, equilibrium, acids and bases, and electrochemistry — emphasising quantitative reasoning, particulate-level models, and experimental thinking.

Course overview

AP Chemistry treats chemistry as a science of models: you connect what you observe (macroscopic) to what particles are doing (particulate) and to symbolic representations like equations and math. The course spans nine units and rewards students who can not only calculate an answer but justify it with evidence — the core skill the AP free-response section assesses.

What you will learn

  • Model atomic structure and periodic properties
  • Reason about bonding, molecular geometry, and intermolecular forces
  • Analyse reactions, stoichiometry, kinetics, and reaction mechanisms
  • Apply thermodynamics and chemical, solubility, and acid-base equilibrium
  • Analyse oxidation-reduction and electrochemistry
  • Justify claims with evidence, as the AP free-response section requires

Who this course is for

  • • Students taking AP Chemistry who want deep understanding and exam readiness
  • • Strong Chemistry 11/12 students ready for college-level depth and problem difficulty
  • • Students who want targeted practice on the specific AP skills they are weak on

Commonly difficult topics

  • • Equilibrium and acid-base reasoning — predicting and justifying shifts, not memorizing outcomes
  • • Thermodynamics — connecting enthalpy, entropy, and free energy to spontaneity
  • • Particulate reasoning — explaining observations with particle-level models
  • • Free-response justification — writing a claim supported by specific evidence

How Dr. Shreyank Educare teaches this course

  1. 01 · Diagnose

    Find the exact skill causing difficulty — not the chapter, the skill.

  2. 02 · Understand

    Learn it through explanations, worked examples and visual reasoning.

  3. 03 · Practice

    Work problems that adapt to how you are actually doing.

  4. 04 · Fix

    A wrong answer becomes targeted remediation for the misconception behind it.

  5. 05 · Prove

    Solve new, unseen problems independently before mastery is awarded.

Course curriculum

1Atomic Structure & Properties5 topics
  • — Moles & Molar Mass
  • — Mass Spectra & Isotopes
  • — Electron Configuration
  • — Photoelectron Spectroscopy
  • — Periodic Trends
2Molecular & Ionic Bonding5 topics
  • — Ionic vs Covalent
  • — Lewis Structures & Formal Charge
  • — VSEPR & Molecular Geometry
  • — Hybridization
  • — Bond Polarity & Resonance
3Intermolecular Forces & Properties5 topics
  • — Intermolecular Forces
  • — Solids, Liquids & Gases
  • — Ideal Gas Law
  • — Kinetic-Molecular Theory
  • — Solutions & Concentration
4Chemical Reactions5 topics
  • — Reaction Types
  • — Net Ionic Equations
  • — Stoichiometry
  • — Titrations
  • — Redox Basics
5Kinetics5 topics
  • — Reaction Rates
  • — Rate Laws
  • — Integrated Rate Laws & Half-Life
  • — Arrhenius & Activation Energy
  • — Mechanisms & Catalysis
6Thermodynamics5 topics
  • — Enthalpy & Calorimetry
  • — Hess’s Law
  • — Bond & Formation Enthalpies
  • — Entropy
  • — Gibbs Free Energy
7Equilibrium5 topics
  • — Kc & Kp
  • — Reaction Quotient
  • — Le Châtelier’s Principle
  • — ICE Tables
  • — Solubility & Ksp
8Acids & Bases5 topics
  • — pH & pOH
  • — Strong vs Weak
  • — Buffers
  • — Titration Curves
  • — Polyprotic & Salts
9Applications of Thermodynamics (Electrochemistry)5 topics
  • — Oxidation States & Redox
  • — Galvanic Cells
  • — Cell Potential & Nernst
  • — Electrolysis & Faraday
  • — ΔG, K & emf

A sample learning experience

A 0.10 M aqueous solution of a weak monoprotic acid HA is measured to have a pH of 3.0. Estimate the acid-dissociation constant, Ka. (This is an original example, not an exam question.)

  1. 1. pH 3.0 means [H⁺] = 10⁻³ = 1.0 × 10⁻³ M.
  2. 2. For HA ⇌ H⁺ + A⁻, [H⁺] ≈ [A⁻] ≈ 1.0 × 10⁻³ M.
  3. 3. The un-ionized acid is [HA] ≈ 0.10 − 0.001 ≈ 0.10 M.
  4. 4. Ka = [H⁺][A⁻] / [HA] ≈ (1.0 × 10⁻³)² / 0.10 = 1.0 × 10⁻⁵.

Frequently asked questions

What is AP Chemistry?
AP Chemistry is a College Board college-level chemistry course and exam. Scoring well can earn college credit or advanced placement at many institutions. It spans nine units and emphasises reasoning and justification, not just calculation.
How difficult is AP Chemistry?
It is one of the more demanding AP sciences because it combines quantitative problem-solving with conceptual justification. Students who are fluent with Chemistry 11/12 fundamentals and practise the specific AP skills tend to do well.
What topics are covered in AP Chemistry?
Nine units: atomic structure and properties, molecular and ionic bonding, intermolecular forces and properties, chemical reactions, kinetics, thermodynamics, equilibrium, acids and bases, and applications of thermodynamics/electrochemistry.
How does Adaptive Mastery work?
Practice adapts to your demonstrated performance: a wrong answer never raises your mastery, the difficulty adjusts to what you are ready for, and you must solve new, unseen problems unaided before a skill is marked mastered.
Does Dr. Shreyank Educare include FRQ practice?
Yes. There is free-response (FRQ) practice with rubric-based feedback, alongside multiple-choice practice and a timed exam simulator that estimates readiness.
How should students study for AP Chemistry?
Diagnose the exact skill causing trouble, learn it, then practise under adaptive difficulty and defend your reasoning in free-response form. Review mistakes deliberately using the mistake notebook rather than re-reading notes.
Do I need to complete the Elite Challenge problems to be AP-ready?
No. Advanced Reasoning and Elite Challenge problems are optional enrichment. Normal AP readiness is determined by mastery of the standard AP skills, not by attempting the hardest optional problems.

Related courses

Chemistry 12 →

Explore all Chemistry courses →

Curriculum & sources

Content source: original lessons, worked examples and diagrams created for Dr. Shreyank Educare.

Curriculum alignment: Advanced Placement (AP) Chemistry (College Board AP framework).

Curriculum-aligned learning support — not an official school, ministry, or College Board course, and not a replacement for official credit.

Last updated . Authored and maintained in-house by the Dr. Shreyank Educare teaching team — see our editorial standards, methodology and source policy.