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An ion made up of two or more atoms bonded together that acts as a single unit with a net charge.
composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
process in which substances under so chemical charges that result in the formula of new substances.
properties of ionic compounds
High melting and boiling points, conducts electricity as liquids or solutions, hard and brittle, solids at room temperature
properties of molecular compounds
low melting and boiling points, poor counducity, many are liquids at room temperature.
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