IB Chemistry Resources

IB Chemistry Questions, Videos, Notes & Flashcards (SL & HL)

Standard Level (SL) & Higher Level (HL)

This page contains links to all of our chemistry resources, including our IB chemistry revision notes, videos, flashcard decks, and exam questions. Our resources cover both IB chemistry SL and IB chemistry HL. Our revision material is all divided by the international baccalaureate sub-topics, covering topics 1 to 21.

We recommend starting by watching our animated videos, before revising your biology knowledge with our IB chem topic notes and flashcard decks. After you know the syllabus well, try our IB chemistry questions, making sure to check the mark schemes!

Topic 1: Stoichiometrics

This topic of IB chemistry focuses on the concept of moles and how this can be used in calculations throughout the IB chemistry syllabus and the sub-topics within. Included are the chemistry IB sub-themes of: atoms, mixtures, atomic mass (Ar), molecular mass (Mr), empirical formula, limiting reactants, Avogadro's law, and standard solutions.

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1.1: Introduction to the particulate nature of matter & chemical change

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1.2: The concept of moles

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1.3: Reacting masses & volumes

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Topic 2 & 12: Atomic Structure

This topic of IB chemistry focuses on the structure of atoms, in particular electrons, and how these influence properties explored throughout the IB chemistry syllabus and the sub-topics within. Included are the chemistry IB sub-themes of: atoms, mass spectrometry, emission spectra, orbitals, ionisation energy, electron affinity, and electron energy calculations.

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2.1: Nuclear atoms

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2.2: Electronic configuration

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12.1: Electrons in atoms

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Topic 3 & 13: Periodicity

This topic of IB chemistry covers the main physical trends observed within the periodic table. It discusses these with reference to other topics from the IB chemistry course. Included are the chemistry IB sub-themes of: the periodic table, main energy levels, trends, oxides, transition elements, d-complexes, and coloured compounds.

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3.1: Periodic table

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3.2: Periodic trends

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13.1: First-row D-block elements

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13.2: Coloured complexes

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Topic 4 & 14: Bonding & Structure

This topic of IB chemistry covers the chemical bonds that form between many molecules and the impact these have upon their shapes. It links to later topics of the IB chemistry syllabus, such as organics. Included are the chemistry IB sub-themes of: ions, ionic bonds, covalent bonds, bond polarity, lewis structures, the octet rule, VSEPR theory, intermolecular forces, metallic bonds, formal charge, delocalisation, resonance, and hybridisation.

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4.1: Ionic bonding & structure

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4.2: Covalent bonding

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4.3: Covalent structure

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4.4: Intermolecular forces

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4.5: Metallic bonding

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14.1: Covalent bonding, electron domains & geometry

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14.2: Hybridisation

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Topic 5 & 15: Energetics

This topic of IB chemistry explores the energy changes accompanying chemical reactions that are discussed throughout IB chemistry. Included are the chemistry IB sub-themes of: heat, temperature, enthalpy (ΔH), enthalpy definitions, bond energies, 3-stage energy cycles, Born-Haber cycles, Entropy (S), and Gibbs free energy (G).

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5.1: Measuring energy changes

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5.2: Hess's law

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5.3: Bond enthalpies

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15.1: Energy cycles

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15.2: Entropy & spontaneity

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Topic 6 & 16: Kinetics

This topic of IB chemistry focuses on the speed of reactions and how this relates to chemical pathways detailed throughout the IB chemistry syllabus and the sub-topics within. Included are the chemistry IB sub-themes of: reactions, activation energy (Ea), the rate determining step (RDS), rate equations, the rate constant (k), reaction order, catalysts, and Arhenius's equation.

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6.1: Collision theory & rates of reaction

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16.1: Rate expression & reaction mechanisms

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16.2: Activation energy

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Topic 7 & 17: Equilibrium

This topic of IB chemistry covers the concept of equilibrium, with reference to chemical reactions as seen elsewhere in the IB chemistry syllabus. Included are the chemistry IB sub-themes of: equilibrium, the equilibrium constant (Kc), the reaction quotient (Q), catalysts, Le Châtelier's principle, and Gibbs free energy change (ΔG).

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7.1: Equilibrium

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17.1: The equilibrium law

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Topic 8 & 18: Acids & Bases

This topic of IB chemistry discusses the concept of acids and bases and how they can react with many of the chemicals and compounds seen earlier in the IB chemistry course. Included are the chemistry IB sub-themes of: Brønsted-Lowry acids, conjugate pairs, characteristics, pH, pOH, the ionic product constant (Kw), weak vs strong acids, acid deposition, Lewis acids, the dissociation constant (Ka & Kb), indicators, and buffer solutions.

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8.1: Theories of acids & bases

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8.2: Properties of acids & bases

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8.3: The pH scale

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8.4: Strong vs weak acids & bases

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8.5: Acid deposition

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18.1: Lewis definition of acids & bases

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18.2: Calculations involving acids & bases

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18.3: pH curves

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Topic 9 & 19: Redox Processes

This topic of IB chemistry focuses on the processes of oxidation and reduction, as seen in most of the reactions discussed throughout the IB chemistry syllabus and the sub-topics within. Included are the chemistry IB sub-themes of: oxidation, reduction, oxidising agents, reducing agents, the Winkler method, voltaic cells, electrolytic cells, the standard hydrogen electrode (SHE), standard electrode potential (Eø), and electroplating.

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9.1: Oxidation & reduction

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9.2: Introduction to electrochemical cells

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19.1: Electrochemical cells

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Topic 10 & 20: Organics

This topic of IB chemistry covers a vast range of content relating to organic compounds, their properties and their reactions. It requires knowledge from elsewhere in IB chemistry, such as bonding. Included are the chemistry IB sub-themes of: homologous series, functional groups, structural formulae, isomers, alkanes, free-radical substitution, alkenes, electrophilic addition, alcohols, esterification, halogenoalkanes, nucleophilic substitution, polymerisation, Markovnikov's rule, benzene, electrophilic substitution, and stereoisomerism.

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10.1: Fundamentals of organic chemistry

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10.2: Functional groups in chemistry

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20.1: Types of organic reactions

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20.2: Synthetic routes

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20.3: Stereoisomerism

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Topic 11 & 21: Measurements & Data

This topic of IB chemistry focuses on the experimental aspects of science. It explores errors, measurements and techniques necessary for the IA coursework, a part of the IB chemistry syllabus. Included are the chemistry IB sub-themes of: quantitative data, qualitative data, experimental design, graphical techniques, the index of hydrogen deficiency (IHD), mass spectrometry (MS), resonance spectroscopy (H-NMR), infrared spectroscopy (IR), and X-ray crystallography.

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11.1: Uncertainties & errors in measurements & results

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11.2: Graphical techniques

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11.3: Spectroscopic identification of organic compounds

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21.1: Further spectroscopic identifications

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