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Chemistry (9701)
47 sections available · 128 chapters available
Free Chemistry (9701) study notes for Cambridge International A Level students. Each chapter covers a key topic with examples and practice prompts you can continue inside the thinka app.
Atomic structure
Particles in the atom and atomic radius
Isotopes
Electrons, energy levels and atomic orbitals
Ionisation energy
Atoms, molecules and stoichiometry
Relative masses of atoms and molecules
The mole and the Avogadro constant
Formulas
Reacting masses and volumes (of solutions and gases)
Physical chemistry (AS Level)
Atomic structure
Thin-layer chromatography
Gas / liquid chromatography
Atoms, molecules and stoichiometry
Chemical bonding
Carbon-13 NMR spectroscopy
Proton (1H) NMR spectroscopy
States of matter
Chemical energetics (AS)
Electrochemistry (AS)
Equilibria (AS)
Reaction kinetics (AS)
Organic chemistry (AS Level)
Chemical bonding
Electronegativity and bonding
Ionic bonding
Metallic bonding
Covalent bonding and coordinate (dative covalent) bonding
Shapes of molecules
Intermolecular forces, electronegativity and bond properties
Dot-and-cross diagrams
Inorganic chemistry (AS Level)
The Periodic Table: chemical periodicity
Group 2 (AS)
Group 17
Nitrogen and sulfur
Organic chemistry: fundamentals, hydrocarbons and halogen/hydroxy compounds (AS Level)
An introduction to AS Level organic chemistry
Hydrocarbons: alkanes and alkenes (AS)
Halogen compounds (AS)
Hydroxy compounds (AS)
States of matter
The gaseous state: ideal and real gases and pV = nRT
Bonding and structure
Chemical energetics
Enthalpy change, ΔH
Hess’s law
Organic chemistry: carbonyls, acids, nitrogen compounds and synthesis (AS Level)
Carbonyl compounds (AS)
Carboxylic acids and derivatives (AS)
Nitrogen compounds (AS)
Polymerisation: addition (AS)
Organic synthesis (AS)
Analysis (AS Level)
Infrared spectroscopy
Mass spectrometry
Electrochemistry
Redox processes: electron transfer and changes in oxidation number (oxidation state)
Equilibria
Chemical equilibria: reversible reactions, dynamic equilibrium
Brønsted–Lowry theory of acids and bases
Physical chemistry (A Level)
Chemical energetics (A Level only)
Electrochemistry (A Level only)
Equilibria (A Level only)
Reaction kinetics (A Level only)
Reaction kinetics
Rate of reaction
Effect of temperature on reaction rates and the concept of activation energy
Homogeneous and heterogeneous catalysts
Inorganic chemistry (A Level)
Group 2 (A Level only)
Chemistry of transition elements (A Level only)
The Periodic Table: chemical periodicity
Periodicity of physical properties of the elements in Period 3
Periodicity of chemical properties of the elements in Period 3
Chemical periodicity of other elements
Organic chemistry (A Level)
An introduction to A Level organic chemistry
Hydrocarbons: arenes (A Level only)
Halogen compounds (A Level only)
Hydroxy compounds: alcohols and phenol (A Level only)
Carboxylic acids, esters and acyl chlorides (A Level only)
Nitrogen compounds (A Level only)
Polymerisation: condensation and degradable polymers (A Level only)
Organic synthesis (A Level only)
Group 2
Similarities and trends in the properties of the Group 2 metals, magnesium to barium, and their compounds
Analysis (A Level)
Thin-layer chromatography
Gas / liquid chromatography
Carbon-13 NMR spectroscopy
Proton (1H) NMR spectroscopy
Group 17
Physical properties of the Group 17 elements
The chemical properties of the halogen elements and the hydrogen halides
Some reactions of the halide ions
The reactions of chlorine
Nitrogen and sulfur
Nitrogen and sulfur
An introduction to AS Level organic chemistry
Formulas, functional groups and the naming of organic compounds
Characteristic organic reactions
Shapes of organic molecules; σ and π bonds
Isomerism: structural isomerism and stereoisomerism
Hydrocarbons
Alkanes
Alkenes
Halogen compounds
Halogenoalkanes
Hydroxy compounds
Carbonyl compounds
Alcohols
Carbonyl compounds
Aldehydes and ketones
Carboxylic acids and derivatives
Carboxylic acids
Esters
Nitrogen compounds
Primary amines
Nitriles and hydroxynitriles
Polymerisation
Addition polymerisation
Organic synthesis
Organic synthesis
Analytical techniques
Chemical energetics
Lattice energy and Born-Haber cycles
Enthalpies of solution and hydration
Entropy change, ΔS
Gibbs free energy change, ΔG
Electrochemistry
Electrolysis
Standard electrode potentials E⦵, standard cell potentials E⦵ cell and the Nernst equation
Equilibria
Acids and bases
Partition coefficients
Reaction kinetics
Simple rate equations, orders of reaction and rate constants
Homogeneous and heterogeneous catalysts
Group 2
Chemistry of transition elements
General physical and chemical properties of the first row of transition elements, titanium to copper
General characteristic chemical properties of the first set of transition elements, titanium to copper
Colour of complexes
Stereoisomerism in transition element complexes
Stability constants, Kstab
An introduction to A Level organic chemistry
Formulas, functional groups and the naming of organic compounds
Characteristic organic reactions
Shapes of aromatic organic molecules; σ and π bonds
Isomerism: optical
Hydrocarbons
Arenes
Halogen compounds
Halogen compounds
Hydroxy compounds
Alcohols
Phenol
Carboxylic acids and derivatives
Carboxylic acids
Esters
Acyl chlorides
Nitrogen compounds
Primary and secondary amines
Phenylamine and azo compounds
Amides
Amino acids
Polymerisation
Condensation polymerisation
Predicting the type of polymerisation
Degradable polymers
Organic synthesis
Organic synthesis
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