plutonij | srpsko - engleski prevod

plutonij

muški rodhemija

Veštački radioaktivni hemijski elemenat; služi kao nuklearno gorivo i kao eksploziv u atomskim bombama (lat.)

1. chemical element 094 Pu

imenica

2. plutonium

imenicahemija

Sinonimi: Pu | atomic number 94

A radioactive transuranic element that is similar to uranium; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known, including plutonium 239; SYN. Pu, atomic number 94.
A highly toxic, heavy, radioactive metallic element. There are 15 isotopes of plutonium, of which only five are produced in significant quantities: plutonium-238, -239, -240, -241, and -242. Plutonium-239 is the most important plutonium isotope as it is f
One of the transuranic elements, product of decay of neptunium, used in the atomic bomb.
Silvery-white, radioactive, metallic element of the actinide series, symbol Pu, atomic number 94, atomic weight 239.13. It occurs in nature in minute quantities in pitchblende and other ores, but is produced in quantity only synthetically. It has six allotropic forms (see allotropy) and is one of three fissile elements (elements capable of splitting into other elements—the others are thorium and uranium). The element has awkward physical properties and is the most toxic substance known.
Its fissile isotope Pu-239 is usually made in breeder reactors by bombarding uranium-238 with neutrons. Because Pu-239 is so easily synthesized from abundant uranium, it has been produced in large quantities (hundreds of thousands of pounds) by the weapons industry. It has a long half-life (24,000 years) during which time it remains highly toxic. It is dangerous to handle, difficult to store, and impossible to dispose of—it has become a human-made menace of global proportions. According to a us Department of Energy report Dec 1994, the conditions in which it is stored across the us pose a threat to both workers in the nuclear weapons industry and the general public.
Plutonium was first produced in 1940 by Glenn Seaborg and his team at the University of California at Berkeley, by bombarding uranium with deuterons; this was the second transuranic element synthesized (after neptunium). It was named by them for the planet Pluto, since it comes after neptunium as the planet Pluto comes after Neptune.

3. Pu

skraćenicahemija

Plutonium

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