A conservator examines two compounds containing the same unknown metal. One compound is pale green and the other is reddish brown.
Identify the metal and state the charge of the metal ion in each compound.
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.