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
106 exam-style questions on Edexcel GCSE Chemistry 7.2 Group 7, covering 7.2.1 Physical properties of the halogens, 7.2.2 Reactions of the halogens, 7.2.3 Relative reactivity and displacement reactions of the halogens, and 7.2.4 Halogen displacement as a redox reaction. Each one has a worked solution and a mark scheme showing where the marks go.