Non-metals are elctron donors; metals are electron receivers. Non metals predominantly produce covalent bonds when bonding with other non-metals, metals produce ionic bonds when bonding with non-metals. Metals don't bond with each other, but form all...
The simplest way is to re-use it. That's the good thing about iron and steel and metals in general; you can melt it and make it into something else. Is it cost effective? You'd have to be able to easily separate the different kinds of metal. Or melt ...
The simple answer to your question is yes however it has to be qualified. The international standard for silver is 925 parts silver in 1000 parts. As a result the available proportion other metals in the alloy is not very great, and in most cases not...