Friday 25 March 2016

metal - Why is copper a better conductor than iron?


So metals are good conductors as the electron in their outer shell is loose and can plunge out of the atom with the application of the slightest force(voltage).


Silver is the best metallic conductor, then comes copper.


But my question is- Why is one metal better at conduction than the other one? What determines the difference in conduction between 2 metals?


Why is silver a better conductor than copper, and why is copper a better conductor than iron if all of them have loose electrons?




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