Recent content by ziadett

using -Wave particle duality- find the wavelength of a bullet, explain. :confused:

"ceramic" can become a superconductor State why some insulatores such "ceramic " can become a superconductor when cooled to a temprature of 0 K. :confused:

sorry man no more multiple posting from me any more

this question was in my material science exam . by the way I'm not very good at this subject

any answers

why did the free electron theory of metals fail "the free electron of model" my effort: Because it was unable to answer why the mean free path of electrons reaches 20nm in a good conducting metal "like silver" in room tempereture.

i think energy is just mathiematical quantity

I was woundering? why did the free electron theory of metals fail (the free electron model)?