OCR GCSE Chemistry B · J258
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Translating chemical structuresA model or drawing can show where the ions sit, while numbers can tell us how many of each type there are in proportion. These are different ways of describing the same compound: a diagram shows a spatial pattern; an ion ratio describes its composition.