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Plutonium–gallium–cobalt alloy (PuCoGa 5) is an unconventional superconductor, showing superconductivity below 18.5 K, an order of magnitude higher than the highest between heavy fermion systems, and has large critical current. [46] [50] Plutonium–zirconium alloy can be used as nuclear fuel. [51]
Various oxidation states of plutonium in solution. Plutonium compounds are compounds containing the element plutonium (Pu). At room temperature, pure plutonium is silvery in color but gains a tarnish when oxidized. [1] The element displays four common ionic oxidation states in aqueous solution and one rare one: [2] Pu(III), as Pu 3+ (blue lavender)
plutonium: 94: 1bc: Has no known biological role, and is extremely rare in the Earth's crust. The isotope plutonium-238 is used as an energy source in some heart pacemakers. [11] Both toxic and radioactive. polonium: 84: 1b: Has no known biological role, and due to its short half-life, is nearly nonexistent outside of research facilities. [11]
Mesomorphic states: States of matter intermediate between solid and liquid. Plastic crystal: A molecular solid with long-range positional order but with constituent molecules retaining rotational freedom. Liquid crystal: Properties intermediate between liquids and crystals. Generally, able to flow like a liquid but exhibiting long-range ...
Fission product yields by mass for thermal neutron fission of U-235 and Pu-239 (the two typical of current nuclear power reactors) and U-233 (used in the thorium cycle). This page discusses each of the main elements in the mixture of fission products produced by nuclear fission of the common nuclear fuels uranium and plutonium.
Pages in category "Plutonium compounds" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. ...
15. Plutonium. Cost: $4,400-$5,600 per gram. The devastating power of nuclear weapons, such as those used on Japan in World War II, probably makes plutonium more well-known than it otherwise might be.
The presence of these many allotropes makes machining plutonium very difficult, as it changes state very readily. For example, the alpha (α) phase exists at room temperature in unalloyed plutonium. It has machining characteristics similar to cast iron but changes to the beta (β) phase at slightly higher temperatures.
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