Thomas has samples of two solids, A and B. One of the samples is a metal. Solid A is shiny and conducts electricity as a solid. Solid B is a white powder that only conducts electricity when dissolved in water. Which one is the metal?long answer [3]
Sample A is likely to be the metal[1]. Metals can conduct electricity as a solid as the the metallic structure contains delocalised/free electrons that are able to carry a charge[1]. Metals are also generally shiny[1].
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