AQA A-level Chemistry (7405) Simulations by Spec Point

Every section of the AQA AS and A-level Chemistry specification, with the Vectora simulations that teach each spec point. Use it alongside your scheme of work or for revision.

43 of 91 topics have an interactive simulation

Physical chemistry

3.1.1Atomic structure

3.1.1.1Fundamental particles
- Atomic Models Evolution 3D Guide
3.1.1.2Mass number and isotopes
No simulation yet
3.1.1.3Electron configuration
- Electron Configuration 3D Model Guide
- Electron Shells & Subshells 3D Guide

3.1.2Amount of substance

3.1.2.1Relative atomic mass and relative molecular mass
No simulation yet
3.1.2.2The mole and the Avogadro constant
No simulation yet
3.1.2.3The ideal gas equation
No simulation yet
3.1.2.4Empirical and molecular formula
No simulation yet
3.1.2.5Balanced equations and associated calculations
- Stoichiometry Calculator Guide
- Titration Lab Guide

3.1.3Bonding

3.1.3.1Ionic bonding
- Chemical Bonds Interactive 3D ModelFreeGuide
3.1.3.2Nature of covalent and dative covalent bonds
- Chemical Bonds Interactive 3D ModelFreeGuide
- Coordinate Bond 3D Interactive Guide
3.1.3.3Metallic bonding
- Chemical Bonds Interactive 3D ModelFreeGuide
3.1.3.4Bonding and physical properties
No simulation yet
3.1.3.5Shapes of simple molecules and ions
- VSEPR Theory 3D Interactive ModelFreeGuide
3.1.3.6Bond polarity
No simulation yet
3.1.3.7Forces between molecules
- Intermolecular Forces Visualizer Guide
- Hydrogen Bonds 3D Interactive Model Guide

3.1.4Energetics

3.1.4.1Enthalpy change
No simulation yet
3.1.4.2Calorimetry
No simulation yet
3.1.4.3Applications of Hess’s law
- Hess's Law Energy Diagram Guide
3.1.4.4Bond enthalpies
No simulation yet

3.1.5Kinetics

3.1.5.1Collision theory
- Collision Theory Simulator Guide
3.1.5.2Maxwell–Boltzmann distribution
- Collision Theory Simulator Guide
3.1.5.3Effect of temperature on reaction rate
- Collision Theory Simulator Guide
3.1.5.4Effect of concentration and pressure
- Collision Theory Simulator Guide
- Initial Rate Method Lab Guide
3.1.5.5Catalysts
- Collision Theory Simulator Guide
- Haber Process Simulator Guide

3.1.6Chemical equilibria, Le Chatelier’s principle and Kc

3.1.6.1Chemical equilibria and Le Chatelier's principle
- Le Châtelier's Principle Simulator Guide
- Haber Process Simulator Guide
3.1.6.2Equilibrium constant Kc for homogeneous systems
No simulation yet

3.1.7Oxidation, reduction and redox equations

3.1.7Oxidation, reduction and redox equations
- Redox Equation Balancer Guide

3.1.8Thermodynamics (A-level only)

3.1.8.1Born–Haber cycles (A-level only)
- Born-Haber Cycle Calculator Guide
3.1.8.2Gibbs free-energy change, ∆ G, and entropy change, ∆ S (A-level only)
- Gibbs Free Energy Interactive Explorer Guide
- Entropy & Second Law Explorer Guide

3.1.9Rate equations (A-level only)

3.1.9.1Rate equations (A-level only)
- Initial Rate Method Lab Guide
3.1.9.2Determination of rate equation (A-level only)
- Initial Rate Method Lab Guide

3.1.10Equilibrium constant Kp for homogeneous systems (A-level only)

3.1.10Equilibrium constant Kp for homogeneous systems (A-level only)
No simulation yet

3.1.11Electrode potentials and electrochemical cells (A-level only)

3.1.11.1Electrode potentials and cells (A-level only)
- Electrochemical Cell SimulatorFreeGuide
3.1.11.2Commercial applications of electrochemical cells (A-level only)
- Electrochemical Cell SimulatorFreeGuide

3.1.12Acids and bases (A-level only)

3.1.12.1Brønsted–Lowry acid–base equilibria in aqueous solution (A-level only)
No simulation yet
3.1.12.2Definition and determination of pH (A-level only)
No simulation yet
3.1.12.3The ionic product of water, Kw (A-level only)
No simulation yet
3.1.12.4Weak acids and bases Ka for weak acids (A-level only)
- Buffer Solution pH Simulator Guide
3.1.12.5pH curves, titrations and indicators (A-level only)
- Titration Lab Guide
3.1.12.6Buffer action (A-level only)
- Buffer Solution pH Simulator Guide

Inorganic chemistry

3.2.1Periodicity

3.2.1.1Classification
- Periodic Trends Interactive 3D Guide
3.2.1.2Physical properties of Period 3 elements
- Periodic Trends Interactive 3D Guide

3.2.2Group 2, the alkaline earth metals

3.2.2Group 2, the alkaline earth metals
No simulation yet

3.2.3Group 7(17), the halogens

3.2.3.1Trends in properties
No simulation yet
3.2.3.2Uses of chlorine and chlorate(I)
No simulation yet

3.2.4Properties of Period 3 elements and their oxides (A-level only)

3.2.4Properties of Period 3 elements and their oxides (A-level only)
No simulation yet

3.2.5Transition metals (A-level only)

3.2.5.1General properties of transition metals (A-level only)
- Coordinate Bond 3D Interactive Guide
3.2.5.2Substitution reactions (A-level only)
No simulation yet
3.2.5.3Shapes of complex ions (A-level only)
No simulation yet
3.2.5.4Formation of coloured ions (A-level only)
No simulation yet
3.2.5.5Variable oxidation states (A-level only)
No simulation yet
3.2.5.6Catalysts (A-level only)
- Haber Process Simulator Guide

3.2.6Reactions of ions in aqueous solution (A-level only)

3.2.6Reactions of ions in aqueous solution (A-level only)
No simulation yet

Organic chemistry

3.3.1Introduction to organic chemistry

3.3.1.1Nomenclature
No simulation yet
3.3.1.2Reaction mechanisms
- Reaction Mechanisms Visualizer Guide
3.3.1.3Isomerism
- Structural Isomerism 3D Model Guide

3.3.2Alkanes

3.3.2.1Fractional distillation of crude oil
No simulation yet
3.3.2.2Modification of alkanes by cracking
No simulation yet
3.3.2.3Combustion of alkanes
No simulation yet
3.3.2.4Chlorination of alkanes
- Organic Reaction Types Guide Guide

3.3.3Halogenoalkanes

3.3.3.1Nucleophilic substitution
3.3.3.2Elimination
- Bromoethane Reactions Lab Guide
- Organic Reaction Types Guide Guide
3.3.3.3Ozone depletion
No simulation yet

3.3.4Alkenes

3.3.4.1Structure, bonding and reactivity
No simulation yet
3.3.4.2Addition reactions of alkenes
- Organic Reaction Types Guide Guide
3.3.4.3Addition polymers
- Organic Reaction Types Guide Guide

3.3.5Alcohols

3.3.5.1Alcohol production
No simulation yet
3.3.5.2Oxidation of alcohols
- Alcohols, Aldehydes & Carboxylic Acids ExplorerFreeGuide
3.3.5.3Elimination
No simulation yet

3.3.6Organic analysis

3.3.6.1Identification of functional groups by test-tube reactions
No simulation yet
3.3.6.2Mass spectrometry
No simulation yet
3.3.6.3Infrared spectroscopy
No simulation yet

3.3.7Optical isomerism (A-level only)

3.3.7Optical isomerism (A-level only)
- Structural Isomerism 3D Model Guide

3.3.8Aldehydes and ketones (A-level only)

3.3.8Aldehydes and ketones (A-level only)
No simulation yet

3.3.9Carboxylic acids and derivatives (A-level only)

3.3.9.1Carboxylic acids and esters (A-level only)
- Esterification & Hydrolysis Lab Guide
- Organic Reaction Types Guide Guide
3.3.9.2Acylation (A-level only)
No simulation yet

3.3.10Aromatic chemistry (A-level only)

3.3.10.1Bonding (A-level only)
No simulation yet
3.3.10.2Electrophilic substitution (A-level only)
- Organic Reaction Types Guide Guide

3.3.11Amines (A-level only)

3.3.11.1Preparation (A-level only)
No simulation yet
3.3.11.2Base properties (A-level only)
No simulation yet
3.3.11.3Nucleophilic properties (A-level only)
No simulation yet

3.3.12Polymers (A-level only)

3.3.12.1Condensation polymers (A-level only)
- Organic Reaction Types Guide Guide
3.3.12.2Biodegradability and disposal of polymers (A-level only)
No simulation yet

3.3.13Amino acids, proteins and DNA (A-level only)

3.3.13.1Amino acids (A-level only)
No simulation yet
3.3.13.2Proteins (A-level only)
- Organic Reaction Types Guide Guide
3.3.13.3Enzymes (A-level only)
No simulation yet
3.3.13.4DNA (A-level only)
No simulation yet
3.3.13.5Action of anticancer drugs (A-level only)
No simulation yet

3.3.14Organic synthesis (A-level only)

3.3.14Organic synthesis (A-level only)
- Aspirin Synthesis Route Planner Guide
- Benzyl Benzoate Synthesis Guide

3.3.15Nuclear magnetic resonance spectroscopy (A-level only)

3.3.15Nuclear magnetic resonance spectroscopy (A-level only)
No simulation yet

3.3.16Chromatography (A-level only)

3.3.16Chromatography (A-level only)
No simulation yet

Required practicals

Required practical 1Make up a volumetric solution and carry out a simple acid–base titration.
- Titration Lab Guide
Required practical 2Measurement of an enthalpy change.
No simulation yet
Required practical 3Investigation of how the rate of a reaction changes with temperature.
No simulation yet
Required practical 4Carry out simple test-tube reactions to identify: cations – Group 2, NH4+; anions – Group 7 (halide ions), OH–, CO32–, SO42–.
No simulation yet
Required practical 5Distillation of a product from a reaction.
No simulation yet
Required practical 6Tests for alcohol, aldehyde, alkene and carboxylic acid.
No simulation yet
Required practical 7Measuring the rate of reaction: by an initial rate method; by a continuous monitoring method.
- Initial Rate Method Lab Guide
Required practical 8Measuring the EMF of an electrochemical cell.
- Electrochemical Cell SimulatorFreeGuide
Required practical 9Investigate how pH changes when a weak acid reacts with a strong base and when a strong acid reacts with a weak base.
No simulation yet
Required practical 10Preparation of: a pure organic solid and test of its purity; a pure organic liquid.
No simulation yet
Required practical 11Carry out simple test-tube reactions to identify transition metal ions in aqueous solution.
No simulation yet
Required practical 12Separation of species by thin-layer chromatography.
No simulation yet