Chemistry (9701)

43 sections available · 124 chapters available

Free Chemistry (9701) revision notes for Cambridge International AS Level students. Each chapter covers a key topic with worked examples and practice prompts you can take straight into the thinka app.

Physical chemistry (AS Level)

Thin-layer chromatography

Atomic structure

Atoms, molecules and stoichiometry

Gas / liquid chromatography

Chemical bonding

Carbon-13 NMR spectroscopy

Proton (1H) NMR spectroscopy

Atomic structure

Particles in the atom and atomic radius

Isotopes

Electrons, energy levels and atomic orbitals

Ionisation energy

Inorganic chemistry (AS Level)

The Periodic Table: chemical periodicity

Group 2

Group 17

Nitrogen and sulfur

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)

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

Organic chemistry (AS Level)

An introduction to AS Level organic chemistry

Carboxylic acids and derivatives

Nitrogen compounds

Polymerisation

Organic synthesis

States of matter

The gaseous state: ideal and real gases and pV = nRT

Bonding and structure

Physical chemistry (A Level)

Inorganic chemistry (A Level)

Group 2

Chemistry of transition elements

Chemical energetics

Enthalpy change, ΔH

Hess’s law

Electrochemistry

Redox processes: electron transfer and changes in oxidation number (oxidation state)

Organic chemistry (A Level)

An introduction to A Level organic chemistry

Hydrocarbons

Halogen compounds

Hydroxy compounds

Carboxylic acids and derivatives

Nitrogen compounds

Polymerisation

Organic synthesis

Equilibria

Chemical equilibria: reversible reactions, dynamic equilibrium

Brønsted–Lowry theory of acids and bases

Reaction kinetics

Rate of reaction

Effect of temperature on reaction rates and the concept of activation energy

Homogeneous and heterogeneous catalysts

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

Group 2

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

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

Analytical techniques

Infrared spectroscopy

Mass spectrometry

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

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

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