Ceramic materials
(A) Are exemplified by clay and mica
(B) Are poor electrical conductors due to lack of free electrons
(C) Never exhibit polymorphism
(D) All (A), (B) and (C)
(A) Are exemplified by clay and mica
(B) Are poor electrical conductors due to lack of free electrons
(C) Never exhibit polymorphism
(D) All (A), (B) and (C)