EuraStudy
UKSubject guide
A-Level Chemistry (AQA 7405), against the DfE/Ofqual subject content.
Overview
A-Level Chemistry (AQA 7405), against the DfE/Ofqual subject content.
Complete topic map
Every topic recorded for this subject in the curriculum is reproduced below in its full hierarchy. The descriptions reflect the mapped scope without implying additional exam rules.
Sub-atomic particles, mass spectrometry, electron configuration and the arrangement of electrons in atoms.
The mole, the Avogadro constant, molar calculations, empirical and molecular formulae, and ideal gas and reacting-quantity calculations.
Ionic, covalent and metallic bonding, intermolecular forces, electronegativity, molecular shapes and the properties of the different structures.
Enthalpy changes, calorimetry, Hess's law and bond enthalpies used to determine reaction energy changes.
Collision theory, the effect of temperature, concentration and catalysts on reaction rate, and Maxwell-Boltzmann distributions.
Dynamic equilibrium, factors affecting equilibrium position, the equilibrium constant Kc and its application to industrial processes.
Oxidation states, identifying oxidation and reduction, and constructing balanced half-equations and overall redox equations.
Born-Haber cycles and entropy/free energy, rate equations and orders of reaction, Kp for homogeneous gas systems, electrode potentials and electrochemical cells, and acid-base equilibria including pH and buffers.
Classification of elements in the Periodic Table and trends in physical and chemical properties across periods.
Trends in reactivity, solubility and reactions of the alkaline earth metals and their compounds.
Trends in the properties and reactivity of the halogens, their displacement reactions and uses of halide ions.
Reactions of Period 3 elements and their oxides, the chemistry of transition metals including complexes, colour, catalysis and variable oxidation states, and reactions of metal-aqua ions in aqueous solution.
Nomenclature, functional groups, isomerism, reaction mechanisms and the principles underpinning organic chemistry.
The structures, reactions and mechanisms of the core homologous series including substitution, elimination, addition and oxidation reactions.
Identification of functional groups by test-tube reactions and the use of mass spectrometry and infrared spectroscopy to determine structure.
Optical isomerism, the chemistry of aldehydes and ketones, carboxylic acids and their derivatives, and the reactions of aromatic (benzene) compounds and amines.
Addition and condensation polymers, the chemistry of amino acids, proteins, enzymes and DNA, and the design of multi-step synthetic routes.
Proton and carbon-13 nuclear magnetic resonance spectroscopy and chromatographic techniques for separating and identifying substances.
Where this subject applies
These pathways and regions are explicitly connected to the subject in the curriculum.
AS-Level
Advanced Subsidiary — the first year of A-Level study (standalone or first half of the full A-Level).
A-Level (A2)
The full Advanced Level — AS content plus the second-year A2 content.
Official sources
The public sources below are referenced directly by this subject or by one of its topics.
This editorial selection points to the relevant official bodies. Always confirm current requirements, dates and amendments with your school or college and the appropriate awarding organisation.
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Public references
UK · EuraStudy Guides
Open the curriculum guide to see every subject and topic, or continue to EuraStudy to begin working with the material.