give reason for the following
(a) ionic compounds have high melting point and low boiling point
(b) covalent compounds don't conduct electricity
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(a). ionic compound have high melting point and low boiling point, because their compound have strong attractive electrostatic force between oppositively charged ion, so that large amount of heat energy is required to break the bond.
(b). Covalent compound dont conduct electricity because they have no free ion, to move
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