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Iridium is a chemical element; ... Iridium pentafluoride is also a strong oxidant, but it is a tetramer, Ir 4 F 20, formed by four corner-sharing octahedra. [12]
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Elastic properties describe the reversible deformation (elastic response) of a material to an applied stress.They are a subset of the material properties that provide a quantitative description of the characteristics of a material, like its strength.
A chemical element is a chemical substance whose atoms all have the same ... which is a single layer of graphite that is very strong ... Iridium 77 Ir 192.22: Plat ...
Refractory metals have high melting points, with tungsten and rhenium the highest of all elements, and the other's melting points only exceeded by osmium and iridium, and the sublimation of carbon. These high melting points define most of their applications. All the metals are body-centered cubic except rhenium which is hexagonal close-packed.
The superheavy elements from hassium (element 108) to livermorium (116) inclusive are expected to be "partially very noble metals"; chemical investigations of hassium has established that it behaves like its lighter congener osmium, and preliminary investigations of nihonium and flerovium have suggested but not definitively established noble ...
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Iridium compounds are compounds containing the element iridium (Ir). ... Iridium pentafluoride is also a strong oxidant, but it is a tetramer, Ir 4 F 20, ...