Copper forms a chloride with the formula CuCl\text{CuCl}CuCl. The chloride ion has a charge of 1−1-1−. What is the charge on the copper ion in CuCl\text{CuCl}CuCl?
2+2+2+
1+1+1+
1−1-1−
2−2-2−
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.