Key term
AQA GCSE Chemistry 8462
Atomic Structure and the Periodic Table
Topic overviewAtoms, elements and compoundsWord equations, symbols and balanced equationsMixturesFrom the plum pudding model to the nuclear modelBohr, Chadwick and the modern model of the atomRelative electrical charges of subatomic particlesSize and mass of atomsRelative atomic mass and electronic structureThe periodic tableDevelopment of the periodic tableMetals and non-metalsGroup 0Group 1Group 7Transition metals, and how they differ from Group 1
Bonding, Structure, and the Properties of Matter
Topic overviewChemical bonds, including metallic bondingIonic bondingIonic compoundsCovalent bonding and how it is representedThe three states of matter and changes of statePredicting state, state symbols, and the limits of the particle modelProperties of ionic compoundsProperties of small moleculesPolymers and giant covalent structuresProperties of metals and alloys, and why metals conductDiamond and graphiteGraphene and fullerenesSizes of particles and their propertiesUses of nanoparticles
Chemical Analysis
Chemical Changes
Topic overviewThe reactivity seriesMetal oxides, extraction, and redox in terms of electronsAcids reacting with metals, neutralisation and saltsSoluble saltsThe pH scale and neutralisationTitrationsStrong and weak acidsThe process of electrolysis, and molten ionic compoundsUsing electrolysis to extract metalsElectrolysis of aqueous solutionsRepresentation of reactions at electrodes as half equations
Chemistry of the Atmosphere
Topic overviewThe Earth's early atmosphereHow oxygen increased and carbon dioxide decreasedThe gases in today's atmosphere, and which are greenhouse gasesHuman activities which contribute to an increase in greenhouse gases in the atmosphereGlobal climate change and carbon footprintsAtmospheric pollutants from fuels, and their effects
Energy Changes
Organic Chemistry
Topic overviewCrude oil, hydrocarbons and alkanesFractional distillation and petrochemicalsProperties of hydrocarbonsCracking, and testing alkenes with bromine waterWhy cracking is useful, and equations for itStructure and formulae of alkenesReactions of alkenesAlcoholsCarboxylic acidsAddition polymerisationCondensation polymerisationAmino acids, DNA and naturally occurring polymers
Quantitative Chemistry
Topic overviewConservation of mass and balanced chemical equationsRelative formula mass and concentration of solutionsMass changes when a gas is involved, and measurement uncertaintyMolesAmounts of substances in equations, and balancing using molesLimiting reactantsPercentage yieldAtom economyUsing concentrations of solutions in mol/dmUse of amount of substance in relation to volumes of gases
The Rate and Extent of Chemical Change
Topic overviewMeasuring the mean rate of a reactionRate from graphs, and the gradient of a tangentFactors which affect the rates of chemical reactionsCollision theory and activation energyCatalystsReversible reactions and dynamic equilibriumThe effect of changing conditions on equilibriumThe effect of changing concentrationThe effect of temperature changes on equilibriumThe effect of pressure changes on equilibrium
Using Resources
Topic overviewUsing the Earth's resources and sustainable developmentProducing potable water in the UKDesalination, and analysing water samplesWaste water treatmentAlternative methods of extracting metalsLife cycle assessmentWays of reducing the use of resourcesCorrosion and its preventionAlloys as useful materialsGlass, clay ceramics and polymersComposites, and comparing materialsThe Haber processProduction and uses of NPK fertilisers
Bonding, Structure, and the Properties of Matter
- 14 subtopics
- 42 things to know
- Paper 1
What Bonding, Structure, and the Properties of Matter covers
Bonding, Structure, and the Properties of Matter is examined in Chemistry Paper 1. It covers chemical bonds, including metallic bonding, ionic bonding, ionic compounds, covalent bonding and how it is represented, the three states of matter and changes of state, predicting state, state symbols, and the limits of the particle model, properties of ionic compounds, properties of small molecules, polymers and giant covalent structures, properties of metals and alloys, and why metals conduct, diamond and graphite, graphene and fullerenes, sizes of particles and their properties and uses of nanoparticles.
Where it is assessed
Paper 1
Chemistry Paper 1: 1 hour 45 minutes, 100 marks, 50% of the GCSE.
Check the AQA specification ↗The 14 subtopics
Each one has its own page.
- Chemical bonds, including metallic bondingThe three types of strong chemical bond, ionic bonding between metals and non-metals, covalent bonding in non-metal elements and compounds, metallic bonding in metals and alloys, electron transfer and shared pairs, and the delocalised electrons that make metallic bonds strong.Open →
- Ionic bondingElectron transfer from metal atoms to non-metal atoms, why metals form positive ions and non-metals negative ions, noble gas electronic structures, dot and cross diagrams for sodium chloride, magnesium oxide and calcium chloride, and working out ionic charges from group numbers.Open →
- Ionic compoundsThe giant lattice of ions, the electrostatic forces holding it together, the arrangement in sodium chloride, the limits of ball and stick, two-dimensional and dot and cross models, and empirical formulae from a model.Open →
- Covalent bonding and how it is representedWhat a covalent bond is, small molecules, polymers and giant covalent structures, recognising each from formulae, bonds drawn as lines, ball and stick models and shortened polymer formulae, dot and cross diagrams for molecules such as hydrogen, chlorine, water, ammonia and methane, the limits of two-dimensional diagrams, and deducing molecular and polymer formulae from models and diagrams.Open →
- The three states of matter and changes of stateThe three states of matter, melting, boiling, condensing and freezing, particles modelled as small solid spheres, the arrangement and movement of particles in a solid, explaining melting and condensing, how the forces between particles set the energy needed, and the limitations of the sphere model.Open →
- Predicting state, state symbols, and the limits of the particle modelPredicting state from melting and boiling points, why ionic solids melt far above molecular ones, why boiling takes more energy than melting, the limits of the particle model, and the four state symbols.Open →
- Properties of ionic compoundsThe giant ionic lattice and its strong electrostatic forces acting in all directions, why ionic compounds have high melting and boiling points, why they conduct when melted or dissolved but not when solid, and why these properties hold for every ionic lattice.Open →
- Properties of small moleculesThe states and low melting and boiling points of molecular substances, the weak intermolecular forces overcome on melting and boiling, how molecule size affects them, and why molecular substances do not conduct electricity.Open →
- Polymers and giant covalent structuresThe very large molecules and strong covalent bonds of polymers, why polymers are solid at room temperature and how to recognise one from a diagram, and giant covalent structures such as diamond, graphite and silicon dioxide, why they have very high melting points and how to identify one.Open →
- Properties of metals and alloys, and why metals conductStructure and bonding of a metal, why an alloy is harder than a pure metal and why metals are good conductors of thermal energy.Open →
- Diamond and graphiteWhy diamond has a very high melting point, bonding between the layers in graphite and why graphite conducts electricity.Open →
- Graphene and fullerenesGraphene as a single layer of graphite, its uses and why it conducts electricity and is strong, fullerenes as hollow carbon molecules built from rings, Buckminsterfullerene C₆₀, carbon nanotubes and their uses, recognising graphene and fullerenes from descriptions, and fullerenes delivering drugs.Open →
- Sizes of particles and their propertiesThe size ranges of nanoparticles, fine particles and coarse particles, how surface area to volume ratio rises as particles shrink, and why nanoparticles can behave differently from the bulk material.Open →
- Uses of nanoparticlesWhere nanoparticles are used, from medicine and electronics to sun creams and deodorants, why they work as catalysts and drug carriers, and the advantages and unknown risks weighed when judging them.Open →
What you need to know
Answer each one before you reveal it.
Your recallNot started
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Describe the structure of a giant ionic lattice and explain why ionic compounds melt and boil at high temperatures.
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Explain the electrical conductivity, hardness and melting point of diamond in terms of its structure and bonding.
Evaluation
Explain how the strength of intermolecular forces decides the boiling points of substances made of small molecules.
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What are the three types of strong chemical bond?
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What electronic structure do the ions of Group 1 and Group 2 metals have?
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What kind of structure does an ionic compound have?
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What is a covalent bond?
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A substance melts at −7 °C and boils at 59 °C. What is its state at 25 °C?
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What type of bond joins the atoms within a polymer molecule?
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Describe the structure and bonding of a metal.
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What is graphene?
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What size range of structures does nanoscience deal with?
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Give three areas in which nanoparticles are used.
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In ionic bonding, what kind of particles are held together?
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Describe what happens to the electrons when sodium reacts with chlorine.
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What holds an ionic lattice together?
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Give two examples of substances that consist of small covalently bonded molecules.
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Name the three states of matter.
Numbers
A substance has a melting point of 801 °C and a boiling point of 1413 °C. State and explain its state at 1000 °C.
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What name is given to the regular structure of an ionic compound?
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What is overcome when a molecular substance boils?
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Why are polymers solid at room temperature?
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What is an alloy?
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Why does diamond not conduct electricity?
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Give two areas in which graphene is useful.
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Roughly how many atoms are there in a structure of nanoscale size?
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Name two personal care products that may contain nanoparticles.
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In metallic bonding, what do the atoms share?
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In a dot and cross diagram of sodium chloride, how many outer electrons are shown around the sodium ion?
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Describe how the ions are arranged in sodium chloride.
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How can you recognise from its chemical formula that a substance consists of small molecules?
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In the simple model of the states of matter, how are the particles represented?
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Why is it wrong to describe a single copper atom as shiny and malleable?
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Describe the forces in a giant ionic lattice.
Evaluation
Compare the strength of intermolecular forces with that of covalent bonds.
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Why do giant covalent structures have very high melting points?
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Why is a pure metal often mixed with another metal?
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Why is diamond very hard?
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Explain why graphene conducts electricity.
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What is the diameter range of fine particles?
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Why is research into nanoparticulate materials described as an important area of work?
Take Bonding, Structure, and the Properties of Matter further
The same content, four other ways.
Commonly confused
Pairs that lose marks when they are blurred together.
Ionic bonding vs Covalent bonding
Ionic bonding: electrostatic attraction between oppositely charged ions after electrons are transferred. Covalent bonding: atoms sharing pairs of electrons between them.
Diamond vs Graphite
Diamond: carbon with each atom bonded to four others, hard and non-conducting. Graphite: carbon in layers with each atom bonded to three others, conducting and slippery.
Graphene vs Fullerene
Graphene: a single layer of graphite one atom thick. Fullerene: a hollow molecule of carbon atoms arranged in rings.
Questions from this topic
Each one with the model answer underneath.
- 1
What are the three types of strong chemical bond?
Model answer
Ionic, covalent and metallic.
- 2
In ionic bonding, what kind of particles are held together?
Model answer
Oppositely charged ions.
- 3
In covalent bonding, what do the particles do with their electrons?
Model answer
They are atoms that share pairs of electrons.
- 4
In metallic bonding, what do the atoms share?
Model answer
Delocalised electrons that are spread through the whole structure.
- 5
What type of bonding is found in a compound made from a metal and a non-metal?
Model answer
Ionic bonding.
- 6
Magnesium oxide is made from magnesium and oxygen. Name its type of bonding and give a reason.
Model answer
Ionic bonding, because it is a compound of a metal with a non-metal.
What is inside Levo
Six ways to work the same material.
Bonding, Structure, and the Properties of Matter revision questions
- What does Bonding, Structure, and the Properties of Matter cover in AQA GCSE Chemistry?
- 14 subtopics: chemical bonds, including metallic bonding, ionic bonding, ionic compounds, covalent bonding and how it is represented, the three states of matter and changes of state, predicting state, state symbols, and the limits of the particle model, properties of ionic compounds, properties of small molecules, polymers and giant covalent structures, properties of metals and alloys, and why metals conduct, diamond and graphite, graphene and fullerenes, sizes of particles and their properties and uses of nanoparticles. Each one has its own page with questions and model answers.
- How is Bonding, Structure, and the Properties of Matter organised?
- By the AQA 8462 specification, subtopic by subtopic, so it matches the order you are taught it in.
Every question in Bonding, Structure, and the Properties of Matter, on a schedule.
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