Epsom salts (magnesium sulfate) are widely used in therapeutic baths to soothe aching muscles. The active component of these salts is the magnesium ion, Mg2+\text{Mg}^{2+}Mg2+.
Explain, in terms of electrons, how a magnesium atom, Mg\text{Mg}Mg, forms a magnesium ion, Mg2+\text{Mg}^{2+}Mg2+.
32 exam-style questions on Edexcel GCSE Chemistry 2.3 Ionic bonding, covering 2.3.1 Ions and the formation of ionic bonds, 2.3.2 Naming and deducing formulae of ionic compounds, and 2.3.3 Giant ionic lattices. Each one has a worked solution and a mark scheme showing where the marks go.