The table below shows information about some Group 7 elements (the halogens).
Table 1
| Element | Atomic number | Boiling point in °C |
|---|---|---|
| Fluorine | 9 | -188 |
| Chlorine | 17 | -34 |
| Bromine | 35 | 59 |
Describe the trend in the boiling points of the elements shown in Table 1.
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.