The table gives information about four gaseous elements, P, Q, R and S.
| Element | Electronic configuration of atom | Boiling point in ∘C^\circ\mathrm{C}∘C | Reactivity |
|---|---|---|---|
| P | 2 | -269 | very unreactive |
| Q | 2.5 | -196 | very unreactive |
| R | 2.8.82.8.82.8.8 | -186 | very unreactive |
| S | 2.7 | -188 | very reactive |
Which of these elements are in Group 0?
R only
Q and R only
P and R only
P, Q and R only
44 exam-style questions on Edexcel GCSE Chemistry 7.3 Group 0, covering 7.3.1 The noble gases. Each one has a worked solution and a mark scheme showing where the marks go.