is: a material containing an abundance of mobile charged particles that are free to move throughout the whole of the material. [P3.3, P4.1]
has: a low resistivity. [P4.1]
has typically: in terms of the band theory of solids, a partly filled valence band at absolute zero. [P11.4]
is exemplified: by any metal. [P3.3, P4.1, P11.4]
is the opposite: of an electrical insulator. [P3.3, P11.4]
Copyright 1997, The Open University