Only two of plutonium's isotopes, plutonium-238 and plutonium-239, have found uses outside of basic research. The atomic number of it is 94. Plutonium is a trans-uranic radioactive element in the actinide series. It is very sensitive to changes in temperature, pressure, or chemistry. 15117-48-3. It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. UNII-ET2Z8EJJ1X. It was discovered in 1940 by scientists studying how to split atoms to make atomic bombs. Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. Nearly all plutonium is man-made. This reactive metal has a bright silvery-gray appearance, similar to nickel. The atomic number of plutonium is 94 and it is indicated by symbol is Pu. This is a collection of plutonium element facts. Plutonium is the second transuranic element with an atomic number of 94 and part of the actinide group of the periodic table. Plutonium's most stable isotope, plutonium-244, has a half-life of about 82,000,000 years. It is an actinide metal with a silvery-gray appearance but when oxidized it forms a dull coating. It is a radioactive metal in the actinide series. Pure plutonium metal is silvery-gray in appearance, but it glows red in the dark because it is pyrophoric. Plutonium is named after planet Pluto similar to its predecessor neptunium named after the planet Neptune. Plutonium oxide forms on the surface of plutonium … It has an atomic weight around 244, a melting point of 640 degrees C (1183 degrees F), and a boiling point of 3228 degrees C (5842 degrees F). Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a … It is a solid metal with a silvery-grey appearance. Plutonium (Pu) was discovered in 1940 by Glenn Seaborg and colleagues at the University of California, Berkeley, and is a radioactive metallic element with the atomic number 94 (the number of protons in the nucleus). The atomic number of plutonium is 94, meaning all atoms of plutonium have 94 protons. It is usually alloyed with small amounts of gallium. It decays into uranium-240 through alpha decay. It has been called the most complex metal and a physicist's dream but an engineer's nightmare. Plutonium has six allotropes. Here are the properties of plutonium, according to the Los Alamos National Laboratory: Atomic number: 94; Atomic symbol: Pu; Atomic weight: 244; Melting point: … Plutonium dioxide (PuO 2) Plutonium hydride (PuH 2) Plutonium fluoride (PuF 3) Interesting facts: It is found in uranium ores. 239Pu. The electronic configuration of plutonium is [Rn] 5f 6 7s 2, and it shows four oxidation states. The complete detonation of a kilogram of plutonium produces an explosion equivalent to over 10,000 tonnes of chemical explosive. Plutonium-244 will also decay through spontaneous fission. The first production reactor that made plutonium-239 was the X-10 Graphite Reactor, also known as the Clinton Pile, which went online in 1943 in Oak Ridge, TN. Plutonium is a radioactive metallic element with the atomic number 94. Plutonium is created in a reactor when uranium atoms absorb neutrons. Plutonium, isotope of mass 239 Plutonium was used in several of the first atomic bombs, and is still used in nuclear weapons. Plutonium production was essential for the Manhattan Project, and scientists at institutions throughout the country were competing with isotope separation methods to create it during 1942. What is Plutonium? PLUTONIUM-239. The chemical symbol for Plutonium is Pu . Plutonium is a radioactive chemical element and it is a member of group 3 and period 7 in the periodic table. Plutonium is element atomic number 94 with element symbol Pu.
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