What is the electronic structure of a sulfide ion, S2−\text{S}^{2-}S2−?
2,8,62, 8, 62,8,6
2,8,82, 8, 82,8,8
2,8,42, 8, 42,8,4
2,8,8,22, 8, 8, 22,8,8,2
77 exam-style questions on OCR GCSE Chemistry Atomic structure. Each one has a worked solution and a mark scheme showing where the marks go.