The chemical element plutonium has some different isotopes. 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. This was overlooked and added in to the periodic table. They actually submitted a documentation of their discovery but immediately withdrawn when it was found out that plutonium can undergo nuclear fission. Plutonium: Key facts. 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. 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 does exist in nature in very small traces in natural Uranium, larger volumes are human-created 2. Some not well know facts about Plutonium: 1. The metal is chemically reactive, forming compounds with carbon , nitrogen , and silicon and the halogens. Most Plutonium is made by Uranium 238 in reactors absorbing a neutron 3. Kennedy and A.C. Wahl at the University of California at Berkeley . Its melting point is 640.85°C, and its boiling point is 3,229.85°C. Facts Regarding Plutonium. 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. • Characteristics of Plutonium Plutonium can be found in the third group of the periodic table. It takes 24,110 years for half of a sample of plutonium-239 to decay, which is called its half-life. Interesting Facts. 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. It has six allotropic forms, which vary widely in crystal structure and density. Plutonium is a silvery metal that takes The reason why Plutonium is found naturally in such small trace amounts is because it's most stable isotope, Plutonium-244 has a half life of 80 million years! This bomb contained plutonium-239. Interesting Facts About Plutonium Plutonium was first discovered in 1940 to 1941 by Glenn T. Seaborg, Edwin M. McMillan, J.W. Seaborg thought this would be funny as it sounded like "pee - you" when read allowed. 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. ... 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