The graph below shows the boiling points, measured in Kelvin (K\text{K}K), of the first five Group 0 elements plotted against their atomic numbers (ZZZ).

Use the trend shown in the graph to predict the boiling point of radon (Z=86Z = 86Z=86).
Practise Edexcel GCSE Chemistry Group 0 with exam-style questions for Foundation and Higher tier. 30 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.