Question

why mercury has the highest density ?
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Answer 1

Answer:

Mercury is dense because its heavy iron core amounts to nearly two-thirds of the planet's mass, more than twice the ratio of core to mass for Earth, Venus, or Mars.

Answer 2

Answer:

Mercury has a density of 13.6 grams per centimeter cubed. Thus, within the same volume, mercury has more mass than water. Thus, mercury has a higher density. ... This is because mercury has a much larger nucleus than hydrogen or water (the atoms that make up water H2O).

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