AQA GCSE Chemistry
AQA GCSE Chemistry revision for AQA Chemistry (8462): 10 topics and 122 short lessons, each with R.E.C.I.P.E. recall steps and a quiz. The topics follow the AQA specification.
1. Atomic structure and the periodic table
- Atoms, elements and compounds
- Mixtures
- The development of the model of the atom (common content with physics)
- Relative electrical charges of subatomic particles
- Size and mass of atoms
- Relative atomic mass
- Electronic structure
- The periodic table
- Development of the periodic table
- Metals and non-metals
- Group 0
- Group 1
- Group 7
- Comparison with Group 1 elements
- Typical properties
2. Bonding, structure, and the properties of matter
- Chemical bonds
- Ionic bonding
- Ionic compounds
- Covalent bonding
- Metallic bonding
- The three states of matter
- State symbols
- Properties of ionic compounds
- Properties of small molecules
- Polymers
- Giant covalent structures
- Properties of metals and alloys
- Metals as conductors
- Diamond
- Graphite
- Graphene and fullerenes
- Sizes of particles and their properties
- Uses of nanoparticles
3. Quantitative chemistry
- Conservation of mass and balanced chemical equations
- Relative formula mass
- Mass changes when a reactant or product is a gas
- Chemical measurements
- Moles (HT only)
- Amounts of substances in equations (HT only)
- Using moles to balance equations (HT only)
- Limiting reactants (HT only)
- Concentration of solutions
- Percentage yield
- Atom economy
4. Chemical changes
- Metal oxides
- The reactivity series
- Extraction of metals and reduction
- Oxidation and reduction in terms of electrons (HT only)
- Reactions of acids with metals
- Neutralisation of acids and salt production
- Soluble salts
- The pH scale and neutralisation
- Titrations (chemistry only)
- Strong and weak acids (HT only)
- The process of electrolysis
- Electrolysis of molten ionic compounds
- Using electrolysis to extract metals
- Electrolysis of aqueous solutions
- Representation of reactions at electrodes as half equations (HT only)
5. Energy changes
6. The rate and extent of chemical change
- Calculating rates of reactions
- Factors which affect the rates of chemical reactions
- Collision theory and activation energy
- Catalysts
- Reversible reactions
- Energy changes and reversible reactions
- Equilibrium
- The effect of changing conditions on equilibrium (HT only)
- The effect of changing concentration (HT only)
- The effect of temperature changes on equilibrium (HT only)
- The effect of pressure changes on equilibrium (HT only)
7. Organic chemistry
- Crude oil, hydrocarbons and alkanes
- Fractional distillation and petrochemicals
- Properties of hydrocarbons
- Cracking and alkenes
- Structure and formulae of alkenes
- Reactions of alkenes
- Alcohols
- Carboxylic acids
- Addition polymerisation
- Condensation polymerisation (HT only)
- Amino acids (HT only)
- DNA (deoxyribonucleic acid) and other naturally occurring polymers
8. Chemical analysis
9. Chemistry of the atmosphere
- The proportions of different gases in the atmosphere
- The Earth's early atmosphere
- How oxygen increased
- How carbon dioxide decreased
- Greenhouse gases
- Human activities which contribute to an increase in greenhouse gases in the atmosphere
- Global climate change
- The carbon footprint and its reduction
- Atmospheric pollutants from fuels
- Properties and effects of atmospheric pollutants
10. Using resources
- Using the Earth's resources and sustainable development
- Potable water
- Waste water treatment
- Alternative methods of extracting metals (HT only)
- Life cycle assessment
- Ways of reducing the use of resources
- Corrosion and its prevention
- Alloys as useful materials
- Ceramics, polymers and composites
- The Haber process
- Production and uses of NPK fertilisers