Spec 1CH0
Revise Edexcel GCSE Chemistry 1.1.1 Formulae, word and balanced equations with the question bank, lessons, revision guides, and flashcards.
0.1 Recall the formulae of elements, simple compounds and ions. 0.2 Write word equations. 0.3 Write balanced chemical equations, including the use of the state symbols (s), (l), (g) and (aq). Also draws on 1.22 (an ion is an atom or group of atoms with a charge) and 1.26 (deduce the formulae of ionic compounds from the formulae of their constituent ions).
