Key term
AQA GCSE Combined Science Chemistry 8464
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 7
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 fullerenes
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 neutralisationThe process of electrolysis, and molten ionic compoundsUsing electrolysis to extract metalsElectrolysis of aqueous solutions
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
Quantitative Chemistry
The Rate and Extent of Chemical Change
Atomic Structure and the Periodic Table
Metals and non-metals
- 3 things to know
- Chemistry Paper 1
Overview
How metals and non-metals are defined by the ions they form, where each is found in the periodic table, their physical and chemical properties, and how outer electrons decide how an element reacts.
What you need to know
Answer each one before you reveal it.
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Key term
Which elements are classed as metals by the ions they form?
Key term
How are non-metals defined in terms of the ions they form?
Questions from this subtopic
Each one with the model answer underneath.
- 1
Which elements are classed as metals by the ions they form?
Model answer
Elements that react to form positive ions are metals.
- 2
An element reacts to form a 2+ ion. Is it a metal or a non-metal?
Model answer
It is a metal, because it forms a positive ion.
- 3
How are non-metals defined in terms of the ions they form?
Model answer
Non-metals are elements that do not form positive ions.
- 4
Are most of the elements metals or non-metals?
Model answer
The majority of elements are metals.
- 5
Whereabouts in the periodic table are the metals found?
Model answer
To the left and towards the bottom of the table.
- 6
Whereabouts in the periodic table are the non-metals found?
Model answer
Towards the right and the top of the table.
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