Pearson Edexcel
Edexcel GCSE Chemistry revision.
Ilmino organises GCSE Chemistry around the Edexcel GCSE Chemistry 1CH0 specification, so every topic, every required piece of practical work and every mark scheme a student sees belongs to the board they are actually sitting.
The exam, in short
How Edexcel examines GCSE Chemistry.
- Specification
- GCSE Chemistry (1CH0)
- Papers
- Two papers, each 1 hour 45 minutes, with the required practicals examined across both.
- Tiers
- Foundation and Higher. A student is entered for one tier, and the same tier is sat for every paper in the subject.
- First exam series
- Summer 2018
Spec aligned
Every topic on the Edexcel specification.
The question bank is grouped by this board's specification, not by a generic topic list, so a student works through the same headings their teacher and their revision guide use.
Atomic structure and the periodic table
- Atoms, elements and compounds
- The development of the periodic table
- Electronic structure and the periodic table
- Groups 1, 7 and 0
Bonding, structure and properties
- Ionic bonding and lattices
- Covalent bonding and simple molecules
- Metallic bonding and alloys
- Structures of carbon and giant structures
Quantitative chemistry
- Conservation of mass and moles
- Relative formula mass and percentage yield
- Concentration of solutions
- Titration calculations
Chemical changes
- Reactivity of metals
- Extraction of metals and reduction
- Acids, bases and neutralisation
- Electrolysis
Energy changes
- Exothermic and endothermic reactions
- Reaction profiles
- Bond energy calculations
- Chemical cells and fuel cells
Rate and extent of chemical change
- Factors affecting rate of reaction
- Collision theory and activation energy
- Reversible reactions and equilibrium
Organic chemistry
- Crude oil and hydrocarbons
- Fractional distillation and cracking
- Alkanes and alkenes
- Alcohols and carboxylic acids
Chemical analysis and the atmosphere
- Purity, formulations and chromatography
- Tests for gases and ions
- The Earth's atmosphere and climate change
- Using the Earth's resources
Marking
How marking follows Edexcel.
Ilmino stores an examiner-style mark scheme for every question, written per board. An answer is marked against the wording Pearson Edexcel credits, not against a general idea of what is right.
- Each mark is awarded or withheld on its own, with the mark-scheme point it maps to shown beside the answer.
- Command words are read the way Edexcel uses them, so describe, explain, evaluate and calculate are each held to their own standard.
- The phrase an examiner is looking for has to appear. A right idea in the wrong words loses the mark here, exactly as it would in the exam.
- Handwritten working is photographed and marked line by line, so method marks survive an arithmetic slip.
- When a mark is lost, Lumi explains which mark-scheme point was missed and what would have earned it.
Other boards for GCSE Chemistry
Sitting a different board? The whole bank switches with your choice, and progress carries across because it is stored by skill.
Edexcel in other subjects
Questions
Edexcel GCSE Chemistry on Ilmino
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