The news broke that a railroad car, loaded with pure sodium, had just derailed and was spilling its contents. A television reporter called me for an explanation of why firefighters were not allowed to ...

The periodic table arranges all the chemical elements in a specific way. Patterns are visible in the way that elements behave, and this allows us to make predictions about other elements. Gethin: And ...

ONE of the first inklings that chemistry has an underlying pattern was the discovery, early in the 19th century, of lithium, sodium and potassium—known collectively as the alkali metals. Though ...

Try these interactive flashcards based on GCSE chemistry past papers. By working your way through the flashcards created by experts, you can prepare for your chemistry exams and make your revision ...