Multiple choice

Which of the following states of ionic compounds conduct electricity?

  1. Aqueous solution

  2. Solid

  3. Melted

  4. Both 1 and 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ionic compounds conduct electricity when their ions are free to move. This occurs in the aqueous state (dissolved in water) or in the molten (melted) state. In the solid state, ions are locked in a rigid lattice.

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