Two unidentified metals, L and M, have the properties shown. One is a transition metal and the other is a Group 1 metal.
| Property | Metal L | Metal M |
|---|---|---|
| Melting point in ∘C^\circ\text{C}∘C | 1455 | 98 |
| Density in g/cm³ | 8.90 | 0.97 |
Explain which metal is the transition metal. Use data from the table.
A machine uses a metal arm to hold a heavy object in a furnace at 800 ∘C800\ ^\circ\text{C}800 ∘C. The arm is exposed to oxygen in the air and is cooled using cold water after each use.
Explain which metal should be used for the arm.
91 exam-style questions on AQA GCSE Chemistry 1.3 Properties of transition metals, covering 1.3.1 Comparison with Group 1 elements and 1.3.2 Typical properties of transition metals. Each one has a worked solution and a mark scheme showing where the marks go.