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Which element has the highest density?
ChemistryElements
Quick Answer
Osmium is commonly cited as the densest naturally occurring element, with a density of about 22.59 g/cm³. Iridium is very close, and the exact ranking can depend on temperature and crystal structure.
The Full Story
Osmium is widely regarded as the densest element, with a density of roughly 22.59 grams per cubic centimeter. That makes it one of the heaviest elements by volume, even denser than gold and lead. Iridium is nearly the same density, so some measurements and conditions can make the two difficult to separate definitively. Osmium was discovered in 1803 by Smithson Tennant while studying platinum ores.
Key Facts
1.Osmium density: about 22.59 g/cm³
2.Discovered in 1803
3.Atomic number: 76
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Suggested video title for this topic:
"The densest element on the periodic table"