Barium sulfate is an ionic compound. Although many ionic substances dissolve easily in water, barium sulfate is virtually insoluble. Its other physical properties, however, are typical of ionic compounds.
Predict one physical property of barium sulfate (other than its solubility) that is typical of giant ionic structures.
59 exam-style questions on Edexcel GCSE Chemistry 2.5 Types of substance, covering 2.5.1 Classifying substances by structure and bonding, 2.5.2 Properties of ionic and simple molecular substances, 2.5.3 Giant covalent structures: diamond and graphite, 2.5.4 Fullerenes, graphene and simple polymers, 2.5.5 Properties of metals and non-metals, and 2.5.6 Limitations of bonding models and representations. Each one has a worked solution and a mark scheme showing where the marks go.