Magnesium oxide, MgO\text{MgO}MgO, is an ionic compound.
How are the ions held together in a magnesium oxide crystal lattice?
Shared pairs of electrons between atoms
Electrostatic forces of attraction between oppositely charged ions
Electrostatic attraction between positive ions and delocalised electrons
Weak intermolecular forces of attraction
74 exam-style questions on OCR GCSE Chemistry Bonding. Each one has a worked solution and a mark scheme showing where the marks go.