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The density of osmium is slightly greater than that of iridium; the two are so similar (22.587 versus 22.562 g/cm 3 at 20 °C) that each was at one time considered to be the densest element. Only in the 1990s were measurements made accurately enough (by means of X-ray crystallography ) to be certain that osmium is the denser of the two.
Note A at Iridium says "At room temperature and standard atmospheric pressure, iridium has been calculated to have a density of 22.65 g/cm3 (0.818 lb/cu in), 0.04 g/cm3 (0.0014 lb/cu in) higher than osmium measured the same way.
— "Values ranging from 21.3 to 21.5 gm/cm 3 at 20 °C have been reported for the density of annealed platinum; the best value being about 21.45 gm/cm 3 at 20 °C." 21.46 g/cm 3 — Rose, T. Kirke. The Precious Metals, Comprising Gold, Silver and Platinum .
Osmium is the densest known element at standard conditions for ... pound per cubic foot (1 g/cm 3 ≈ 62.427961 ... Density of liquid water at 1 atm pressure Temp. ...
A hotel worker accused of supplying drugs to Liam Payne before the One Direction singer’s death in Buenos Aires on Oct. 16., 2024 has reportedly turned himself in to the police.. Ezequiel David ...
This small radius and high weight cause it to be expected to have an extremely high density of around 46 g·cm −3, over twice that of osmium, currently the most dense element known, at 22.61 g·cm −3; element 164 should be the second most dense element in the first 172 elements in the periodic table, with only its neighbor unhextrium ...
The device requires just shy of 8 feet of ceiling height, at least 7 feet of clearance on the wall, a WiFi connection, and an outlet. ... The Tonal 2 is a big leap beyond the 1. First of all, the ...
A Reddit user said her sister-in-law and future brother-in-law are planning "his and hers" weddings — and expect their family members to attend both