Magnesium oxide (MgOMgOMgO) is a refractory material commonly used to line the interiors of high-temperature industrial kilns and furnaces.
State one physical property of magnesium oxide that makes it suitable for this high-temperature application, which is a direct consequence of its giant ionic lattice structure.
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.