Calcium reacts with sulfur to form calcium sulfide. The electronic configuration of a calcium atom is 2.8.8.2 and the electronic configuration of a sulfur atom is 2.8.6.
Give the electronic configurations of both of the ions formed.
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.