Look at the data below about four elements:
| Element | Melting point (∘C^\circ\text{C}∘C) | Density (g/cm3\text{g/cm}^3g/cm3) | Ions formed |
|---|---|---|---|
| P | 180 | 0.53 | P+\text{P}^+P+ |
| Q | -220 | 0.0017 | Q−\text{Q}^-Q− |
| R | 1085 | 8.9 | R+\text{R}^+R+, R2+\text{R}^{2+}R2+ |
| S | 650 | 1.74 | S2+\text{S}^{2+}S2+ |
Which element is a transition element?
48 exam-style questions on OCR GCSE Chemistry Properties of materials. Each one has a worked solution and a mark scheme showing where the marks go.