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Chemguide explains chemistry concepts for students in upper-level courses.
About chemguide
Chemguide is a website of chemistry explanations and study pages, described on its homepage as aimed at advanced level chemistry students. Its main content covers topics from UK A level chemistry syllabuses, including atomic structure and bonding, inorganic, physical and organic chemistry, instrumental analysis, and organic reaction mechanisms. It also includes support pages for Cambridge International (CIE) A level students and teachers, and links to downloadable syllabuses from examiners.
The homepage notes some limits. The Chemistry 14-16 section, for students doing courses such as GCSE in the UK, is marked as new and still being written. The site's Google search box has been removed, and keyword searching is available through a separate linked page. Coverage of biochemistry is described as limited, and the homepage states a copyright date of 2009 with a last-modified date of August 2017.
Key features
- Topic sections on atomic structure, bonding, and inorganic chemistry
- Physical chemistry pages covering equilibria, energetics, entropy, and Gibbs free energy
- Instrumental analysis pages on mass spectrometry, infra-red, NMR, and chromatography
- Organic chemistry pages covering mechanisms for UK A level syllabuses
- Support pages for CIE A level students and teachers
- Chemistry 14-16 section for UK students, still in progress
Best for: Advanced level chemistry students, particularly those following UK A level or Cambridge International A level syllabuses.
Good for
- Topics are organised by syllabus area, including UK A level organic reaction mechanisms
- Covers instrumental analysis methods such as mass spectrometry and NMR
- Includes support pages for CIE A level students and teachers
Watch out for
- The Chemistry 14-16 section is still being written
- The Google search box has been removed; keyword search is on a separate linked page
- Biochemistry coverage is limited
chemguide at a glance
- Website
- chemguide.co.uk
- Category
- Education & Learning › Science Learning
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Good for
- Students
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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chemguide FAQ
How can I search the site?
The Google search box was removed because it was giving problems. A link on the homepage explains how to search Chemguide using keywords.
Does the site cover biochemistry?
Only a limited amount. The homepage says the properties of organic compounds section includes a limited amount of biochemistry.
Where can I get the current syllabus?
The site has a Download syllabuses page for UK and international students using UK exams. It advises downloading a copy of your current syllabus from your examiners.
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