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The conductivity of solids depends on the number of free electrons they have and how much they can move around freely before bumping into something and stopping. Metals are generally good conductors because they have a lot of free electrons that can wander around carrying energy. Other solids have few or no free electrons so they are not good conductors.

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10y ago

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What is true about most metals?

Metals are good conductors of heat and electricity. They have a metallic luster. All the metals are solids except Mercury.


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All metals are solids and good conductors apart from Mercury which is a liquid but is a good conductor.


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