Which prediction for astatine is most reasonable?
It is more reactive than iodine and has a lower boiling point
It is more reactive than iodine and has a higher boiling point
It is less reactive than iodine and has a lower boiling point
It is less reactive than iodine and has a higher boiling point
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.