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AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Higher | KnowledgeSet

Subjects
GCSE
Chemistry (Combined Science)
AQA
AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Higher

GCSEAQA8464

AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Higher

Study the **Higher-tier chemistry content** within AQA GCSE Combined Science: **Trilogy (8464)**, including shared and Higher-only requirements. This is one strand of the two-GCSE Combined Science qualification.

5.1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

5.1.1.1Atoms, elements and compounds

5.1.1.2Mixtures

5.1.1.3The development of the model of the atom (common content with physics)

5.1.1.4Relative electrical charges of subatomic particles

5.1.1.5Size and mass of atoms

5.1.1.6Relative atomic mass

5.1.1.7Electronic structure

5.1.2 The periodic table

5.1.2.1The periodic table

5.1.2.2Development of the periodic table

5.1.2.3Metals and non-metals

5.2.1 Chemical bonds, ionic, covalent and metallic

5.2.1.1Chemical bonds

5.2.1.2Ionic bonding

5.2.1.3Ionic compounds

5.3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

5.3.1.1Conservation of mass and balanced chemical equations

5.3.1.2Relative formula mass

5.3.1.3Mass changes when a reactant or product is a gas

5.4.1 Reactivity of metals

5.4.1.1Metal oxides

5.4.1.2The reactivity series

5.4.1.3Extraction of metals and reduction

5.5.1 Exothermic and endothermic reactions

5.5.1.1Energy transfer during exothermic and endothermic reactions

5.5.1.2Reaction profiles

5.5.1.3The energy change of reactions (HT only)

5.6.1 Rate of reaction

5.6.1.1Calculating rates of reactions

5.6.1.2Factors which affect the rates of chemical reactions

5.6.1.3Collision theory and activation energy

5.7.1 Carbon compounds as fuels and feedstock

5.7.1.1Crude oil, hydrocarbons and alkanes

5.7.1.2Fractional distillation and petrochemicals

5.7.1.3Properties of hydrocarbons

5.8.1 Purity, formulations and chromatography

5.8.1.1Pure substances

5.8.1.2Formulations

5.8.1.3Chromatography

5.8.2 Identification of common gases

5.9.1 The composition and evolution of the Earth's atmosphere

5.9.1.1The proportions of different gases in the atmosphere

5.9.1.2The Earth's early atmosphere

5.9.1.3How oxygen increased

5.10.1 Using the Earth's resources and obtaining potable water

5.10.1.1Using the Earth's resources and sustainable development

5.10.1.2Potable water

5.10.1.3Waste water treatment

5.2.1.4

Covalent bonding

5.2.1.5Metallic bonding

5.2.2 How bonding and structure are related to the properties of substances

5.2.2.1The three states of matter

5.2.2.2State symbols

5.2.2.3Properties of ionic compounds

5.2.2.4Properties of small molecules

5.2.2.5Polymers

5.2.2.6Giant covalent structures

5.2.2.7Properties of metals and alloys

5.2.2.8Metals as conductors

5.2.3 Structure and bonding of carbon

5.2.3.2Graphite

5.2.3.3Graphene and fullerenes

5.3.1.4Chemical measurements

5.3.2 Use of amount of substance in relation to masses of pure substances

5.3.2.1Moles (HT only)

5.3.2.2Amounts of substances in equations (HT only)

5.3.2.3Using moles to balance equations (HT only)

5.3.2.4Limiting reactants (HT only)

5.3.2.5Concentration of solutions

5.4.1.4

Oxidation and reduction in terms of electrons (HT only)

5.4.2 Reactions of acids

5.4.2.1Reactions of acids with metals

5.4.2.2Neutralisation of acids and salt production

5.4.2.3Soluble salts

5.4.2.4The pH scale and neutralisation

5.4.2.5Strong and weak acids (HT only)

5.4.3 Electrolysis

5.4.3.1The process of electrolysis

5.4.3.2Electrolysis of molten ionic compounds

5.4.3.3Using electrolysis to extract metals

5.4.3.4Electrolysis of aqueous solutions

5.4.3.5Representation of reactions at electrodes as half equations (HT only)

5.6.1.4Catalysts

5.6.2 Reversible reactions and dynamic equilibrium

5.6.2.1Reversible reactions

5.6.2.2Energy changes and reversible reactions

5.6.2.3Equilibrium

5.6.2.4The effect of changing conditions on equilibrium (HT only)

5.6.2.5The effect of changing concentration (HT only)

5.6.2.6The effect of temperature changes on equilibrium (HT only)

5.6.2.7The effect of pressure changes on equilibrium (HT only)

5.7.1.4

Cracking and alkenes

5.8.2.1Test for hydrogen

5.8.2.2Test for oxygen

5.8.2.3Test for carbon dioxide

5.8.2.4Test for chlorine

5.9.1.4How carbon dioxide decreased

5.9.2 Carbon dioxide and methane as greenhouse gases

5.9.2.1Greenhouse gases

5.9.2.2Human activities which contribute to an increase in greenhouse gases in the atmosphere

5.9.2.3Global climate change

5.9.2.4The carbon footprint and its reduction

5.9.3 Common atmospheric pollutants and their sources

5.9.3.1Atmospheric pollutants from fuels

5.9.3.2Properties and effects of atmospheric pollutants

5.10.1.4

Alternative methods of extracting metals (HT only)

5.10.2 Life cycle assessment and recycling

5.10.2.1Life cycle assessment

5.10.2.2Ways of reducing the use of resources