Table 1 shows the melting points of some Group 1 elements in the periodic table.
Table 1
| Element | Melting point in ∘C^\circ\text{C}∘C |
|---|---|
| Lithium | 181 |
| Sodium | 98 |
| Potassium | 63 |
| Rubidium | |
| Caesium | 29 |
Use the information in Table 1 to suggest a value for the melting point of rubidium.
Practise Edexcel GCSE Chemistry Group 1 with exam-style questions for Foundation and Higher tier. 51 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.