The diagram below shows the electronic structures of a fluorine atom and a chlorine atom, which are both members of Group 7 (the halogens).
Explain, in terms of their electronic configurations, why these elements are both placed in Group 7 of the periodic table.
Group 7 Questions
Practise Edexcel GCSE Chemistry Group 7 with exam-style questions for Foundation and Higher tier. 87 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.