C2 1.3 Formulae of ionic compounds 0.0 / 5 ? ChemistryStructure and bondingGCSEAQA Created by: jkavCreated on: 17-04-14 18:21 C2 1.3 Formulae of ionic compounds The charges on the ions in an ionic compound always cancel eaxch other out. The formula of an ionic compound shows the ratio of ions present in the compound. Sometimes we need brackets to show the ratio of ions in a compound, e.g. magnesium hydroxide, Mg(OH)2. 1 of 1
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