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[11] [12] Uranium metal has a very high density of 19.1 g/cm 3, [13] denser than lead (11.3 g/cm 3), [14] but slightly less dense than tungsten and gold (19.3 g/cm 3). [15] [16] Uranium metal reacts with almost all non-metallic elements (except noble gases) and their compounds, with reactivity increasing with temperature. [17]
This is an extended version of the energy density table from the main Energy density page: Energy densities table ... Natural uranium (99.3% U-238, 0.7% U-235) ...
— "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 .
Uranium is notable for the extremely high density of its metallic form: at 19.1 grams per cubic centimetre (0.69 lb/cu in), uranium is 68.4% more dense than lead. Depleted uranium, which has about the same density as natural uranium, is used when this high density is desirable but the higher radioactivity of natural uranium is not.
uranium: 6.0: 1960–2500: 2350–3850: Notes References. See also. Mohs scale of mineral hardness; Mohs hardness of materials (data page) Vickers hardness test ...
This is when uranium glass reached the height of its popularity in the United States between 1958 and 1978, with more than 4 million pieces of decorative uranium produced, according to Oak Ridge ...
In terms of density, m = ρV, where ρ is the volumetric mass density, V is the volume occupied by the mass. This energy can be released by the processes of nuclear fission (~ 0.1%), nuclear fusion (~ 1%), or the annihilation of some or all of the matter in the volume V by matter–antimatter collisions (100%).
When fired, depleted uranium becomes ‘essentially an exotic metal dart fired at extraordinarily high speed’