Question

Which substance, when molten, conducts electricity?

A) bitumen

B) caesium iodide

C) diamond

D) sand​

Answer 1

Answer:

Ionic compounds

.......Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.

Answer 2

Answer:

Ionic compounds

Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move