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This question is about Group 7 elements (the halogens).

Fluorine and chlorine are in Group 7 of the periodic table. Give one similarity and one difference between the electronic structures of fluorine and chlorine.

[2]

A more reactive halogen can displace a less reactive halogen from a solution of its halide salt.

Which combination of mixtures will produce a displacement reaction when mixed?

Bromine and potassium chloride-solution
Iodine and potassium bromide-solution
Chlorine and potassium bromide-solution
Iodine and potassium chloride-solution

[2]

Which of the following describes the trends going down Group 7?

Relative molecular mass increases and boiling point increases.
Relative molecular mass increases and boiling point decreases.
Relative molecular mass decreases and boiling point increases.
Relative molecular mass decreases and boiling point decreases.

[1]

The periodic table Questions

Practise AQA GCSE Chemistry The periodic table with exam-style questions for Foundation and Higher tier. 25 questions covering The periodic table, Development of the periodic table, Metals and non-metals, Group 0, Group 1, and Group 7, matched to the AQA GCSE Chemistry (8462) 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.