17.1 The elements of copper family >17.1.1 The elemental substances of copper family -17.1.2 The compounds of copper -17.1.3 The copper ions in aqueous solution and the related reactions §17.1 The elements of copper family 17.1.1 The elemental substances of copper family 17.1.2 The compounds of copper 17.1.3 The copper ions in aqueous solution and the related reactions