A dot and cross diagram of sodium chloride shows one sodium ion and one chloride ion.
Which of these is not a limitation of this diagram?
It does not show the relative sizes of the ions.
It suggests that the electrons from sodium are different from the electrons from chlorine.
It does not show that each ion is surrounded by many ions of opposite charge in a giant lattice.
It does not show which atom lost an electron and which atom gained an electron.
64 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.