Fluorine, chlorine, and bromine are in Group 7 of the periodic table.
State, in terms of the electrons in their atoms, what the atoms of fluorine, chlorine, and bromine have in common.
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.