
Understanding how substances are structured, how they react, and how to calculate and explain chemical changes using theory and experiments.
A Level
Chemistry
Quick Summary
Exams & practicals – About 70% written exams, 30% practical skills tested in exams
Concepts & calculations – About 60% understanding concepts, 40% maths/calculations
Essential for Medicine – Usually required for medicine, dentistry, veterinary science, and pharmacy
What's it actually like?

IN A NUTSHELL
A-Level Chemistry combines written exams with practical work. You'll study organic chemistry (carbon compounds), inorganic chemistry (elements and their reactions), and physical chemistry (the theories behind why reactions happen).
You'll complete required practicals throughout the course, which are assessed through questions in your written exams. There's no separate practical grade, but you need to demonstrate practical competence to pass.
Expect lots of equations, mechanisms, calculations, and understanding chemical principles. It's about 60% understanding concepts and 40% applying calculations and learning reactions.
Chemistry sits between physics (very mathematical) and biology (more content-heavy), so it suits people who want a bit of both.

Maths matters more than you think: While not as mathematical as Physics, Chemistry includes significant calculations. A-Level Maths isn't required (though it helps), but you need to be comfortable with algebra, rearranging equations, and working with very large and very small numbers. Many students take Maths alongside Chemistry.
About the course
Is this for you?
Atoms, bonding, and calculations
A-Level Chemistry starts with the basics of how substances are built and how they react. You'll study atomic structure, the periodic table, bonding, and how to calculate amounts of substances using moles and equations.
Physical chemistry
You'll move on to energy changes, rates of reaction, equilibrium, and electrochemistry. These topics focus on understanding how and why reactions happen, and how fast they occur.
Organic chemistry
A large part of the course is organic chemistry. You'll learn about different types of carbon-based molecules, how to name them, how they react, and how to work out reaction pathways and mechanisms.
Inorganic chemistry
You'll study elements and compounds, with a focus on transition metals and their properties.
Practical work
Throughout the course you'll carry out experiments and analyse results. Assessment is mainly through exams.
Chemistry is a good choice if you:
Enjoy seeing patterns in how substances react and transform
Like having a mix of learning content and problem-solving
Comfortable with maths (not as much as Physics, but it's still important)
Don't mind memorising significant amounts of information
Enjoy practical work and lab experiments
Can visualise molecules and structures in 3D
Analytical thinking - Learn to predict reactions, explain observations, and work out what's happening at a molecular level.
Practical lab skills - Become proficient at techniques like titrations, distillation, chromatography, and preparing organic compounds.
Mathematical applications - Calculations involving moles, concentrations, equilibria, and rates of reaction strengthen your numeracy.
Problem-solving - Working out reaction mechanisms and solving equilibrium problems requires logical, step-by-step thinking.
Pattern recognition - Chemistry is full of trends and patterns. You'll learn to spot them and use them to predict new scenarios.
Attention to detail - Small differences in structure or conditions can completely change chemical behaviour.
There's a LOT to learn. Chemistry is content-heavy. You need to know reactions, mechanisms, functional groups, trends, and theories. It rewards consistent revision throughout the course.
Organic chemistry is a different beast. Some people love drawing mechanisms and working out synthesis routes. Others find it abstract and confusing. It's a major part of the course, so you need to be ready for it.
Practicals require precision. You need good hand-eye coordination and patience. Some experiments require extremely careful technique to get valid results.
The GCSE jump is significant. A-Level Chemistry goes much deeper. If you found GCSE Chemistry challenging, think carefully. You'll typically need at least a grade 6, ideally 7+.
Biology + Chemistry + Maths = Classic for medicine and life sciences
Chemistry + Physics + Maths = For chemistry, chemical engineering, or natural sciences
Biology + Chemistry + Psychology = For biomedical sciencesChemistry rewards consistent revision and active learning. Here's how to succeed:
Make flashcards early – Start making flashcards for reactions, functional groups, and definitions from day one. Review them regularly – little and often beats cramming.
Draw mechanisms repeatedly – For organic chemistry, practice drawing mechanisms over and over until they're automatic. Understanding the electron movement is key.
Link topics together – Chemistry topics connect – organic, inorganic, and physical chemistry overlap. Look for links between different areas to deepen understanding.
Engage with practicals – Don't just go through the motions in practicals. Understand why you're doing each step and what the results tell you. This understanding pays off in exams.
Chemistry graduates can go onto to work in:
Pharmaceuticals
Healthcare
Chemical industry
Environmental science
Forensics
Teaching
Research
Materials science
Food science
The analytical skills also translate to business, finance, and law.
Chemistry A-Level is essential for degrees in:
Chemistry
Medicine, Dentistry, Veterinary Science
Pharmacy and Pharmacology
It is also strongly recommended for degrees in:
Chemical Engineering
Forensic Science
Biochemistry
Environmental Science
Some Biology degrees
Top tip: For Medicine and related degrees, you'll usually need Chemistry plus Biology. Many Chemistry degrees also prefer or require Maths.
Ask yourself:
Did I enjoy GCSE Chemistry and find it manageable (grade 6+)?
Am I comfortable with both learning content and doing calculations?
Do I find the idea of practical lab work appealing?
Am I willing to learn and memorise significant amounts of information?
Do I want to keep medicine, dentistry, or science degrees as options?
Can I handle maths at a decent level (even if not taking A-Level Maths)?
If you're answering yes to most of these, Chemistry could be a great fit.
Gateway to healthcare: Chemistry is particularly important if you're considering any healthcare profession – it's usually required for medicine, dentistry, and pharmacy.
All A Levels
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Arabic
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Art & Design (Art, Craft & Design)
Exploring and creating work across a wide range of art, craft, and design materials and techniques.
Art & Design (Fine Art)
Exploring and creating ideas using a range of artistic and creative skills and materials.
Art & Design (Graphic Communication)
Designing visual ideas using creativity, typography, images, and digital tools to communicate messages.
Art & Design (Textile Design)
Designing and creating original fabric-based work using creative techniques, materials, and textile processes.
Art & Design (Three-dimesional Design)
Designing and making three-dimensional objects using a range of materials, tools, and creative techniques.
Biology
Understanding how living organisms work, from cells and enzymes to genetics, ecosystems, and human biology, using experiments and evidence.
Business Studies
Understanding how businesses operate, make decisions, and compete in a changing economic and global environment.
Chemistry
Understanding how substances are structured, how they react, and how to calculate and explain chemical changes using theory and experiments.
Classical Civilisation
Explores the literature, history, and culture of ancient Greece and Rome while developing strong skills in analysis, interpretation, and essay writing.
Computer Science
Learning how computers work and how to design, write, and analyse programs and algorithms to solve problems.
Drama & Theatre
Studying plays through both performance and analysis, combining acting, staging, and written evaluation of theatre.
Economics
Understanding how individuals, businesses, and governments make choices about money, resources, and the economy.
English Language & Literature
Studying how writers use language and literary techniques to create meaning across fiction, drama, poetry, and non-fiction texts.
English Literature
Understanding how stories, plays, and poems communicate ideas about life and society.
Environmental Science
Explores how natural systems work, how humans affect the environment, and how environmental problems can be managed and solved.
Film Studies
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French
Developing the ability to understand, speak, read, and write French fluently while exploring French culture, society, and literature.
Further Mathematics
Studying advanced and challenging mathematics that goes beyond A-Level Maths, focusing on deep problem-solving and abstract thinking.
Geography
Understanding how the Earth’s physical processes and human activity shape places, environments, and the way people live.
German
Developing the ability to understand, speak, read, and write German fluently while exploring German-speaking culture and society.
History
Understanding how and why the past happened by analysing events, people, and sources and building written arguments.
Italian
Developing the ability to understand, speak, read, and write Italian fluently while exploring Italian culture, society, and literature.
Japanese
Considering A-Level Japanese? This guide will help you figure out if studying the language of anime, manga, and Japanese culture is right for you.
Latin
Reading and analysing Latin texts while learning the language and exploring Roman culture and history.
Mandarin Chinese
Developing the ability to understand, speak, read, and write Mandarin Chinese fluently while exploring Chinese culture and society.
Mathematics
Understanding how numbers, symbols, and graphs are used to solve problems and explain the world.
Media Studies
Studying how media is created, analysed, and used to communicate ideas and influence audiences.
Modern Foreign Language
Develops your ability to speak, understand, read, and write a foreign language fluently while exploring the culture, society, and history of countries where it is spoken.
Music
Develop your skills in performing, composing, and analysing music across different styles while building a deeper understanding of how music works.
Music Technology
Focuses on recording, producing, and creating music using professional software and studio techniques while studying how music is made and processed.
Philosophy
Exploring big questions about reality, knowledge, and morality through logic, arguments, and critical thinking.
Photography
Learning how to capture, edit, and present images creatively using cameras and digital techniques.
Physical Education
Combining practical sport performance with the study of the science, psychology, and social factors behind physical activity.
Physics
Understanding how the universe works, from forces and energy to particles, waves, and motion, using maths and experiments.
Politics
Understanding how power, government, and political ideas shape how countries are run and how decisions are made.
Religious Studies
Develops your understanding of religion, philosophy, and ethics while building strong skills in analysis, evaluation, and written argument.
Sociology
Understanding how society works and how social forces shape people’s lives, behaviour, and opportunities.
Spanish
Developing the ability to understand, speak, read, and write Spanish fluently while exploring Spanish-speaking culture and society.
Common A Level combinations
This A Level pairs well with:
Popular A Level combinations
Biology + Chemistry + Maths = Classic for medicine and life sciences
Chemistry + Physics + Maths = For chemistry, chemical engineering, or natural sciences
Biology + Chemistry + Psychology = For biomedical sciences










































