Formulae of ionic compounds 2.0 / 5 based on 1 rating ? ChemistryWriting balanced equationsGCSEAQA Created by: LeahCreated on: 05-03-13 19:00 What happens to the charges on the ions in an ionic compound? always cancel each other out 1 of 8 What does the formula of an ionic compound show? The ratio of ions present in the compound 2 of 8 Why do we sometimes need brackets? to show the ratio of ions in a compound, e.g. magnesium hydroxide, Mg (OH)2' 3 of 8 What is the formula for calcium fluroide? CaF2 4 of 8 What is the formula for sodium sulfate? Na2SO4 5 of 8 what is the formula for magnesium nitrate? Mg(NO3)2 6 of 8 What is the formula for copper (||) chloride? CuCl2 7 of 8 what is the formula for iron (|||) hydroxide? Fe(OH)3 8 of 8
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