Provide an example of the electron transfer of different types of metals.

An example of electron transfer between different types of metals is the reaction between copper and silver.

When copper and silver are placed in contact with each other, a redox reaction occurs. Copper atoms lose electrons and become positively charged ions, while silver ions gain electrons and become neutral atoms. This transfer of electrons is what drives the reaction.

The reaction can be represented by the following equation:

Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s)

In this equation, Cu represents copper, Ag represents silver, and (s) and (aq) indicate the state of the element (solid or aqueous). The arrow indicates the direction of the reaction, with the reactants on the left and the products on the right.

This reaction is an example of a spontaneous redox reaction, meaning that it occurs without the need for an external energy source. It is also an example of a displacement reaction, as the copper atoms displace the silver ions from their compounds.

Overall, the electron transfer between copper and silver is a fundamental process in chemistry and has important applications in fields such as electrochemistry and metallurgy.