The 2026 A-level exams will run from Monday, May 11, to Tuesday, June 23. Individual subject timetables are released by each ...

A compound is a substance that is formed when two or more different chemical elements bond together in a fixed ratio, like water (H₂O) from hydrogen and oxygen or salt (NaCl) from sodium and chlorine.

While we refer to substances by their common names in everyday life, all these substances have a chemical name and a chemical formula that scientists and researchers use. The system of chemical naming ...

Chemists at UCLA are showing that some of organic chemistry’s most famous “rules” aren’t as unbreakable as once thought. By ...

A lead-acid battery is a type of rechargeable battery, invented in 1859. It uses lead plates (electrodes) submerged in battery acid, which we learn further in this article. This battery acid is known ...

The questions in this quiz are suitable for GCSE English Literature students studying the themes of Dr Jekyll and Mr Hyde. If you struggled with the quiz, don't panic - we've got you! You can revise ...

Atmospheric chemistry is the study of the components of planetary atmospheres, particularly that of the Earth. It specifically looks at the composition of planetary atmospheres and the reactions and ...

Refugee Boy was originally written as a novel by Benjamin Zephaniah and published in 2001. Refugee Boy tells the story of boy called Alem. Characters in Refugee Boy - Edexcel Refugee Boy tells the ...

Bioanalytical chemistry is a subdiscipline of analytical chemistry that involves the separation, detection, identification and quantification of biological samples in different settings. It often ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Organic chemistry is packed with rules about structure and reactivity, especially when it comes to making and breaking chemical bonds. The rules governing how these bonds, which hold atoms together in ...