Sulfur is a Group 16 (Group 6) non-metal.
Explain how the electronic structure of a neutral sulfur atom, S\text{S}S, changes when it forms a stable sulfide ion, S2−\text{S}^{2-}S2−.
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.