The formulae of two copper compounds are Cu₂O and CuO.
Explain what the formulae show about the charges on copper ions, then give the formula of the compound formed between the copper ion in CuO and bromide ions.
113 exam-style questions on OCR GCSE Chemistry 4.1 Predicting chemical reactions, covering 4.1.1 Properties and trends in Groups 1, 7 and 0, 4.1.2 Properties of the transition metals, 4.1.3 Reactivity predicted from position in the Periodic Table, and 4.1.4 Reactivity of metals and the reactivity series. Each one has a worked solution and a mark scheme showing where the marks go.