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An element A has two electrons in the outermost shell of its atom and combines with an element B having seven electrons in the outermost shell, forming the compound AB2. The compound when dissolved in water conducts electric current. Giving reasons, state the nature of chemical bond in the compound.
AB2 forms an ionic bond.
Explanation: An aqueous solution of an ionic compound conducts electricity because there are plenty of free ions in the solution that is able to conduct electric current.
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