Interesting Facts about Plutonium The element symbol of plutonium is Pu, instead of Pl, since this had been a more amusing, effortlessly remembered symbol. Plutonium is a silvery metal that takes They actually submitted a documentation of their discovery but immediately withdrawn when it was found out that plutonium can undergo nuclear fission. • Characteristics of Plutonium Plutonium can be found in the third group of the periodic table. • Plutonium Fuel Plutonium is a silvery radioactive metal that tarnishes in air to give a yellow oxide coating. Pluto takes the longest time of the eight planets (248 Earth years) to orbit around the sun. For a very small period of time, Plutonium was used to power pacemakers but eventually was found to be too powerful and extremely expensive due to which it was replaced in less than a year. It has the symbol of “Pu” and an atomic number of 94, which means it must also have the same number of protons and electrons. ! Kennedy and A.C. Wahl at the University of California at Berkeley . Interesting Facts About Plutonium Plutonium was first discovered in 1940 to 1941 by Glenn T. Seaborg, Edwin M. McMillan, J.W. Plutonium: Key facts. Most Plutonium is made by Uranium 238 in reactors absorbing a neutron 3. ... As Prof Sella notes: "The interesting thing is the way really useful applications come out of sometimes really quite questionable research." Interesting Facts. Fact #1: In 1945, the atomic bomb named 'Fat Man' was dropped on Nagasaki, Japan. Seaborg thought this would be funny as it sounded like "pee - you" when read allowed. 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. This was overlooked and added in to the periodic table. Show some Plutonic love for the underdog with these interesting and surprising Pluto facts, including temperature range of the little planet, its color of sky, and much more. Some not well know facts about Plutonium: 1. The atomic number of plutonium is 94, which means all of plutonium atoms possess 94 protons. It has six allotropic forms, which vary widely in crystal structure and density. The metal is chemically reactive, forming compounds with carbon , nitrogen , and silicon and the halogens. This bomb contained plutonium-239. The most important isotope of plutonium is 239 Pu (or plutonium-239). Its melting point is 640.85°C, and its boiling point is 3,229.85°C. Plutonium (Pu), radioactive chemical element of the actinoid series of the periodic table, atomic number 94. It can be made from natural uranium and is fissile. Plutonium's element symbol "Pu" was allegedly a joke implemented by it's discoverer, Glenn Seaborg. The chemical element plutonium has some different isotopes. Facts Regarding Plutonium. Because it’s the closest to the sun, Mercury has the fastest orbit, at 88 Earth days. 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