Question

what is the science behind corrosion and rusting?

Answer 1

Iron (or steel) rusting is an example of corrosion -- an electrochemical process involving an anode (a piece of metal that readily gives up electrons), an electrolyte (a liquid that helps electrons move) and a cathode (a piece of metal that readily accepts electrons).

Answer 2

The metal/element reacts with the aur or moisture and gets corroded. This is because of there characteristics of reacting with other elements or substances