This question is about some of the elements in Group 7 of the periodic table.
Which row correctly describes the colours and physical states of the halogens at room temperature?
fluorine: pale green gas | iodine: purple gas
chlorine: pale green gas | iodine: dark grey solid
bromine: red-brown gas | fluorine: pale yellow liquid
chlorine: pale yellow gas | bromine: red-brown liquid
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.