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Why do metals have a high density?

Best Answers

Not all metals have high density. Lithium, sodium, and potassium are all less dense than water, for example. Density of a solid is a function of the masses of the individual atoms that make up the solid, and how far apart they are within the solid. read more

In general, metals have higher densities because they are solids (at Standard Temperature and Pressure) rather than liquids or gases, and because their nuclei have large numbers of protons and neutrons which makes them heavy and because their atoms tend to pack closely together as they form their crystal-like structures. read more

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