Why do ionic lattices conduct electricity in wires but not as solids?

[JoeN]

Hi guys, sorry as this is probably a silly question. This isn't homework, but it's something I'm confused about in my GCSE course.

If a lattice of ions can't conduct electricity when solid, then why can a wire (composed of these lattices (I think?)) conduct electricity?

The electrons in a circuit collide with these lattices and create resistance and whatnot, I understand that. Sorry for the waste of time if it's an obvious answer!

thanks.

 

[dipstik]

there are conductors and insulators, both of which may have lattices.

you should looks up conduction band, valaence band, fermi energy/level to get a better idea of what's going on.

http://hyperphysics.phy-astr.gsu.edu/hbase/solids/elpro.html#c1

 

[Enthalpy]

It's because electrons can move in a metal. So the ions can stay immobile and you get a current.