Chromium forms the compounds CrCl2\text{CrCl}_2CrCl2 and CrCl3\text{CrCl}_3CrCl3. What is the charge on the chromium ion in each compound?
1+1+1+ in CrCl2\text{CrCl}_2CrCl2 and 2+2+2+ in CrCl3\text{CrCl}_3CrCl3
2+2+2+ in CrCl2\text{CrCl}_2CrCl2 and 3+3+3+ in CrCl3\text{CrCl}_3CrCl3
2+2+2+ in CrCl2\text{CrCl}_2CrCl2 and 6+6+6+ in CrCl3\text{CrCl}_3CrCl3
3+3+3+ in CrCl2\text{CrCl}_2CrCl2 and 2+2+2+ in CrCl3\text{CrCl}_3CrCl3
40 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.