For example: copper and platinum; or copper, platinum, and palladium; or all five noble metals at once. Notably, the five ...

used for plumbing parts and electrical cable Brass Non-ferrous metal that is gold coloured and darkens when oxidised with age An alloy of copper and zinc, can be cast and machined, used for ...

They can be made harder by adding another element to the pure metal, so forming an alloy. This explains why an alloy often has more uses than the pure elements it is made from. In a pure metal ...