Writing formulae with polyatomic ions – Tyler de Witt video This video shows how to work out the formula of a compound which contains polyatomic ions: Related Posts:Writing ionic formulae - Tyler de Witt videoEmpirical formulae and Molecular formulae - Tyler de Witt video4:02 understand how to represent organic molecules using empirical formulae, molecular…4:02a understand how to represent organic molecules using molecular formulae, general…What is an ion? - Tyler de Witt videoConcentration (molarity) practice problems - Tyler de Witt video stuart2019-02-10T14:26:26+00:00Categories: Uncategorized|Tags: Chemistry, GCSE, Topic: Acids & Salts, Topic: Key Reactions, Video| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail