Question

Name the heaviest metal

Answer 1

plutonium
is the heaviest metal

Answer 2

Answer

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The heaviest naturally occurring element is plutonium measured by the mass of the element.

However, if you go by a practical metric, like the weight of a brick of a material you might think otherwise. Osmium and iridium are very dense materials ~22.6 g/cm3 -- about 20 times heavier than the same volume of water and about 10% more dense than plutonium. They would seem to be heavier, but the atoms are actually lighter

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