Magnesium is a Group 2 metal.
Explain how the structure of a magnesium atom, Mg\text{Mg}Mg, changes when it forms a magnesium ion, Mg2+\text{Mg}^{2+}Mg2+.
Practise Edexcel GCSE Chemistry Ionic bonding with exam-style questions for Foundation and Higher tier. 42 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.