Chemistry · IGCSE · Cambridge · Cambridge IGCSE (9–1) Chemistry 0971 (Extended) (2026–2028) · Specification point · 8.4 · The Periodic Table
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8.4 Transition elements
| Core | Supplement |
|---|---|
1 Describe the transition elements as metals that: (a) have high densities (b) have high melting points (c) form coloured compounds (d) often act as catalysts as elements and in compounds | 2 Describe transition elements as having ions with variable oxidation numbers, including iron(II) and iron(III) |