About the exam
CCEA GCSE Chemistry Exam structure
An independent study guide for the current CCEA GCSE Chemistry qualification in Northern Ireland, aligned to Units 1, 2 and 3, the Foundation and Higher tiers, and all nine prescribed practicals.
Issuer and path
CCEA GCSE Chemistry Study Guide is administered through Council for the Curriculum, Examinations and Assessment (CCEA). Check official resources before booking, retesting, or relying on a stale requirement.
Unit 1: Structures, Trends, Chemical Reactions, Quantitative Chemistry and Analysis
35 scored + 0 pretest
Atomic structure, bonding, materials, equations, periodic trends, quantitative chemistry, acids, analysis and solubility.
Unit 2: Further Chemical Reactions, Rates and Equilibrium, Calculations and Organic Chemistry
40 scored + 0 pretest
Metals, redox, rates, equilibrium, organic and quantitative chemistry, electrochemistry, energetics and gases.
Unit 3: Practical Skills
25 scored + 0 pretest
Planning, carrying out, recording, analysing and evaluating practical work, including all nine prescribed practicals.
Before using a paper or practical task
Confirm that it belongs to the current CCEA GCSE Chemistry 2017 specification, the correct tier and the intended unit. Follow the current timetable, pre-release instructions, materials list and centre controls for Booklet A.
Official Outline Coverage Map
Coverage is mapped to official outline item counts so content depth can be checked without hard-coding a single exam.
| Topic | Official outline items | Your questions | Your flashcards | Confidence |
|---|---|---|---|---|
| 1.1 Atomic Structure | 0 | 20 | 6 | Strong |
| 1.2 Bonding | 0 | 24 | 6 | Strong |
| 1.3 Structures | 0 | 18 | 6 | Strong |
| 1.4 Nanoparticles | 0 | 12 | 6 | Strong |
| 1.5 Symbols, Formulae and Equations | 0 | 20 | 6 | Strong |
| 1.6 The Periodic Table | 0 | 24 | 6 | Strong |
| 1.7 Quantitative Chemistry | 0 | 28 | 6 | Strong |
| 1.8 Acids, Bases and Salts | 0 | 26 | 6 | Strong |
| 1.9 Chemical Analysis | 0 | 20 | 6 | Strong |
| 1.10 Solubility | 0 | 18 | 6 | Strong |
| 2.1 Metals and Reactivity Series | 0 | 26 | 6 | Strong |
| 2.2 Redox, Rusting and Iron | 0 | 22 | 6 | Strong |
| 2.3 Rates of Reaction | 0 | 26 | 6 | Strong |
| 2.4 Equilibrium | 0 | 18 | 6 | Strong |
| 2.5 Organic Chemistry | 0 | 34 | 6 | Strong |
| 2.6 Quantitative Chemistry | 0 | 30 | 6 | Strong |
| 2.7 Electrochemistry | 0 | 32 | 6 | Strong |
| 2.8 Energy Changes in Chemistry | 0 | 20 | 6 | Strong |
| 2.9 Gas Chemistry | 0 | 32 | 6 | Strong |
| Unit 3 Scientific Enquiry | 0 | 90 | 6 | Strong |
| Unit 3 Prescribed Practicals C1-C9 | 0 | 61 | 6 | Strong |
How to use this guide
How to study for CCEA GCSE Chemistry
Connect particle models to observations, balance every quantitative relationship, and prepare each prescribed practical from safe method through analysis and evaluation.
1. Identify particles and conditions
Name the atoms, ions, molecules, structures or solutions involved, and note temperature, state, concentration or other conditions that affect the chemistry.
2. Represent the change
Use the appropriate formula, balanced equation, ionic equation, particle model, graph or energy profile before explaining the observation.
3. Calculate through moles and units
Show conversions and substitutions, apply the balanced-equation ratio, keep suitable precision and attach the correct unit.
4. Connect method to evidence
State variables, safe apparatus and measurements, then distinguish raw observations from processed results and chemical conclusions.
5. Limit and evaluate the claim
Answer the command word, use data from the stated range, address uncertainty or anomalies and propose a targeted procedural improvement.
CCEA unit map
Connect chemical models to practical evidence
Move from Unit 1 foundations and Unit 2 applications into the planning, measurement, analysis and evaluation skills tested throughout Unit 3.
Atomic Structure, Bonding and Materials
Atomic models, isotopes, electronic structure, ionic and covalent bonding, structures, properties and nanoparticles.
Choose a topic to open below
Chemical Language, Periodicity and Amounts
Formulae, equations, the Periodic Table, Group trends, relative masses, moles, empirical formulae and yield.
Choose a topic to open below
Acids, Analysis and Solubility
pH, acid reactions, salt preparation, qualitative analysis, chromatography, solubility and crystallisation.
Choose a topic to open below
Metals and Redox
The reactivity series, extraction, displacement, oxidation and reduction, rusting and iron production.
Choose a topic to open below
Rates, Equilibrium and Energy
Collision theory, rate measurement, reversible reactions, Le Châtelier's Principle, energy profiles and bond energies.
Choose a topic to open below
Organic Chemistry
Homologous series, crude oil, fuels, alkanes, alkenes, alcohols, carboxylic acids and polymers.
Choose a topic to open below
Calculations, Electrochemistry and Gases
Titrations and other quantitative work, electrolysis, cells, gas preparation, tests, properties and atmosphere.
Choose a topic to open below
Scientific Enquiry
Planning, risk assessment, measurement, recording, graphing, analysis, evaluation and evidence-limited conclusions.
Choose a topic to open below
Nine Prescribed Practicals
Methods, variables, observations, calculations, risks and evaluation across CCEA practicals C1-C9.
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1.1 Atomic Structure
Development of atomic models, subatomic particles, atomic and mass numbers, isotopes, relative atomic mass and electronic structure.
Key rules
Rule 1
The accepted atomic model developed as new experimental evidence replaced or refined earlier explanations.
Exam cue: Use proton, neutron and electron counts to distinguish atoms, ions and isotopes.
Rule 2
Atomic number counts protons, mass number counts protons plus neutrons, and isotopes have the same proton number but different neutron numbers.
Exam cue: For a weighted mean, multiply each isotope mass by its abundance before dividing by total abundance.
Rule 3
Electronic structure explains an element's group and period, while relative atomic mass is a weighted isotope average.
Exam cue: Connect outer-shell electrons to group and occupied shells to period.
Common traps
Treating mass number and relative atomic mass as interchangeable.
Prevention: Do not import an England board, Single Award or Double Award structure, and do not replace a particle-level explanation with a vague observation.
Changing the proton count when describing isotopes of one element.
Prevention: Do not import an England board, Single Award or Double Award structure, and do not replace a particle-level explanation with a vague observation.
Describing the nucleus as containing electrons or most of the atom's volume.
Prevention: Do not import an England board, Single Award or Double Award structure, and do not replace a particle-level explanation with a vague observation.
Memory anchors
Atomic number
The number of protons in an atom's nucleus.
Mass number
The total number of protons and neutrons in one atom.
Isotope
Atoms of one element with equal proton numbers but different neutron numbers.
Relative atomic mass
The weighted mean mass of an element's atoms relative to carbon-12.
Group
For main-group elements, the number of electrons in the outer shell.
Period
The number of occupied electron shells in an atom.
Next best moves
Quick check-up
Use a short quiz to confirm the rule pattern is actually sticking.
Check-up Questions
Which particle has a relative charge of +1?
Which particle has the smallest relative mass?
Answer all questions to submit.
Next step personalized recommendations
Open another topic next
Official resources
Verify the details with the official sources
Use these links for eligibility, scheduling, handbook rules, and issuer updates. Our guide helps you study; official sources tell you what the testing partner currently requires.
CCEA GCSE Chemistry qualification page
CCEA's current Northern Ireland qualification hub for GCSE Chemistry from September 2017.
CCEA GCSE Chemistry specification
The current official source for subject code 1110, qualification number 603/1146/0, content, tiering, Units 1-3 and prescribed practicals C1-C9.
CCEA GCSE Chemistry specimen assessment materials
Official specimen Foundation and Higher materials for the current qualification, including mark schemes.
CCEA GCSE Chemistry past papers and mark schemes
Current CCEA subject page for available tiered papers and mark schemes; use it to check live paper conventions.
CCEA GCSE Chemistry administration
Current CCEA links for timetables, entries, access arrangements, key dates and other centre administration.
FAQ
Common CCEA GCSE Chemistry questions
Is this an official CCEA resource?
No. This is an independent guide aligned to CCEA's current public specification and support materials. The current specification, notices, timetable and centre instructions remain authoritative.
Is CCEA GCSE Chemistry an England 9-1 GCSE?
No. This qualification is offered by CCEA for Northern Ireland and uses grades A*, A, B, C*, C, D, E, F and G. Do not substitute an AQA, Pearson Edexcel, OCR, Eduqas or WJEC paper structure.
Is this the same as CCEA Double Award Science?
No. CCEA GCSE Chemistry is a distinct single-subject qualification with subject code 1110, qualification number 603/1146/0 and its own three-unit assessment structure. Single Award and Double Award Science have different specifications and unit arrangements.
How are Units 1 and 2 assessed?
Both are tiered external written examinations made up of compulsory structured questions, including short responses, extended writing and calculations. Unit 1 is worth 35% and lasts 1 hour at Foundation or 1 hour 15 minutes at Higher. Unit 2 is worth 40% and lasts 1 hour 15 minutes at Foundation or 1 hour 30 minutes at Higher.
How does Unit 3 work?
Unit 3 has two externally assessed parts. Booklet A is a two-hour pre-release practical assessment with two tasks completed in the final year and worth 7.5%. Booklet B is a one-hour timetabled written exam in practical contexts and worth 17.5%.
Do I need to know all nine prescribed practicals?
Yes. CCEA lists C1-C9 for teaching and possible Unit 3 assessment. Booklet A tasks are based on, but not identical to, the prescribed list; Booklet B may ask about any prescribed practical or another practical situation arising from Units 1 and 2.
What changes between Foundation and Higher tier?
Foundation questions use specification content shown in normal type. Higher questions may use any specification content, including Higher-only content shown in bold in the official document. The theory-paper durations also differ by tier.
Can a static practice session reproduce the whole qualification?
No. Written practice can support Units 1, 2 and Booklet B knowledge, but it cannot reproduce supervised laboratory performance in Booklet A. Use current CCEA practical instructions and your centre's laboratory teaching for that component.