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What is the importance of plutonium?
plutonium (Pu), radioactive chemical element of the actinoid series of the periodic table, atomic number 94. It is the most important transuranium element because of its use as fuel in certain types of nuclear reactors and as an ingredient in nuclear weapons.
How is plutonium used today?
Plutonium is used to make nuclear weapons. Plutonium has been used to make nuclear weapons (such as “atomic bombs”) and in nuclear power plants to produce electricity. Plutonium has also been used as a portable energy supply in space probes and other space vehicles.
What is the significance of plutonium 239?
Plutonium-239 is the primary fissile isotope used for the production of nuclear weapons, although uranium-235 is also used for that purpose. Plutonium-239 is also one of the three main isotopes demonstrated usable as fuel in thermal spectrum nuclear reactors, along with uranium-235 and uranium-233.
What does plutonium do to the environment?
Environmental effects of plutonium Plutonium may enter surface water from accidental releases and disposal of radioactive wastes. Soil can become contaminated with plutonium through fallout during nuclear weapons testing. Plutonium moves slowly downwards in the soil, into the groundwater.
Does plutonium exist in nature?
Plutonium is considered a man-made element, although scientists have found trace amounts of naturally occurring plutonium produced under highly unusual geologic circumstances. The most common radioisotopes. For example, uranium has thirty-seven different isotopes, including uranium-235 and uranium-238.
How much plutonium exists in the world?
Since World War II, more than 1,200 metric tons of plutonium have been produced in nuclear reactors. Of those 1,200 metric tons, approximately 260 are weapon-grade plutonium, defined as containing less than 7 percent (typically 5-6 percent) plutonium 240, an isotope with a high rate of spontaneous fission.
What are some little-known facts about plutonium?
Plutonium Basic Facts Atomic Number: Atomic Weight: 244.0642 Discovery: G.T. Seaborg, J.W. Word Origin: Named for the planet Pluto. Isotopes: There are 15 known isotopes of plutonium. Properties: Plutonium has a specific gravity of 19.84 (a modification) at 25°C, melting point of 641°C, boiling point of 3232°C, with a valence of 3, 4, 5, or 6.
Is it illegal to own plutonium?
No, it is illegal to own, possess or transport any amount of plutonium, unless you are licensed by the Department of Energy.
What are the benefits of plutonium?
The major plutonium benefit is obviously production of nuclear power. Plutonium is usually formed inside nuclear reactors after uranium has been processed. Additionally, plutonium is also used in a fast neutron reactor where it acts like a fuel.
What are the common uses of plutonium?
For the most part, plutonium isn’t used for much. In fact, of the five common isotopes, only two of plutonium’s isotopes, plutonium-238 and plutonium-239, are used for anything at all. Plutonium-238 is used to make electricity for space probes using radioisotope thermoelectric generators.