The physical states and colours of some Group 7 elements (halogens) at room temperature (20∘C20^\circ\text{C}20∘C) are shown in the table.
| Halogen | State at room temperature | Colour |
|---|---|---|
| Fluorine | Gas | Pale yellow |
| Chlorine | Gas | Green-yellow |
| Bromine | Liquid | Red-brown |
| Iodine | Solid | Grey-black |
| Astatine | Solid | Black |
Tennessine (Ts\text{Ts}Ts) is the element directly below astatine in Group 7.
Predict the physical state and colour of tennessine at room temperature.
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.