A-level chemistry

A-Level Chemistry complete content and assessment objectives

Atoms and reactions
Atomicstructure and isotopes

Relative mass

Compounds, formulae and equations
Formulae and equations

Amount of substance
The mole
Determination of formulae
Calculation of reacting masses,gas, volumes and mole concentrations
Percentage yields and atom economy

Acids, bases, alkalis and neutralisation
Acid–base titrations

Oxidation number
Redox reactions

Electrons, bonding and structure
Electron structure
Energy levels, shells, sub-shells, atomicorbitals, electron configuration

Bonding and structure
Ionic bonding
Covalent bonding
The shapes of simple molecules and ions
Electronegativity and bond polarity

Periodic table and energy
The periodic table

The structure of the periodic table
Periodic trend in electron configuration and ionisation energy
Periodic trendin structure and melting point

Group 2

Redox reactions and of Group2 metals
Reactions of Group 2 compounds

The halogens
Characteristic physical properties
Redox reactions and reactivity of halogens and their compounds
Characteristic reactions of halide ions

Qualitative analysis
Tests for ions

Physical chemistry
Enthalpy changes

Enthalpy changes: ∆H of reaction, formation, combustion and neutralisation
Bond enthalpies
Hess’ law and enthalpycycles

Reaction rates
Simple collision theory
The Boltzmann distribution

Chemical equilibrium
Dynamic equilibrium and le Chatelier’sprinciple
The equilibrium constant, Kc

Core organic chemistry
Basic concepts and hydrocarbons
Basic concepts of organic chemistry

Naming and representing the formulae of organic compounds
Functional groups
Reaction mechanisms

Properties of alkanes
Reactions of alkanes

Properties of alkenes
Stereoisomerism in alkenes
Addition reactions of alkenes
Polymers fromalkenes
Waste polymers and alternatives

Alcohols, haloalkanes and analysis
Properties of alcohols
Reactions of alcohols

Substitution reactions of haloalkanes
Environmentalconcerns fromuse of organohalogen compounds

Practical skills
Synthetic routes

Analytical techniques
Infrared spectroscopy
Mass spectrometry
Combined techniques

Physical chemistry and transition elements
Rates, equilibrium and pH
How fast?

Orders,rate equationsand rate constants
Rate graphs and orders
Rate-determining step
Effect of temperature on rate constants

How far?

Acids, bases and buffers
Brønsted–Lowry acids and bases
pH and [H+(aq)]
Buffers: action, uses and calculations

Lattice enthalpy
Born–Haber and related enthalpy cycles

Enthalpy and entropy
Free energy

Redox and electrode potentials
Redox titrations
Electrode potentials
Storage and fuel cells

Transition elements
Ligands and complex ions
Ligand substitution
Precipitation reactions
Redox reactions

Qualitative analysis
Tests for ions

Organicchemistry and analysis
Aromatic compounds, carbonyls and acids
Aromatic compounds
Benzene and aromatic compounds
Electrophilic substitution

Carbonyl compounds
Reactions of carbonyl compounds
Characteristic tests for carbonyl compounds

Carboxylic acids and esters
Properties of carboxylic acids
Acyl chlorides

Nitrogen compounds, polymersand synthesis

Basicity and preparation of amines

Amino acids, amides and chirality
Reactions of amino acids

Polyesters and polyamides
Condensation polymers

Carbon–carbonbond formation
Extending carbon chainlength

Practical skills
Synthetic routes

Chromatography and qualitative analysis
Types of chromatography
Tests for organic functional groups

NMR Spectroscopy
Combined techniques

Assessment details

Assessment Objectives
  • AO1 Demonstrate knowledge and understanding of scientific ideas, processes, techniques and procedures.
  • AO2 Apply knowledge and understanding of scientific ideas, processes, techniques and procedures: • in a theoretical context • in a practical context • whenhandling qualitative data • whenhandling quantitative data.
  • AO3 Analyse, interpret and evaluate scientific information, ideas and evidence, including in relation to issues, to: • make judgements and reach conclusions • develop and refine practical design and procedures.