A metal, M, forms two chlorides. Each chloride ion has a charge of 1−1-1−.
| Compound | Formula |
|---|---|
| 1 | MCl2\text{MCl}_2MCl2 |
| 2 | MCl3\text{MCl}_3MCl3 |
Explain how the formulae provide evidence that M may be a transition metal.
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.