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Why do so many Europeans hate how North America considers themselves to be a separate continent when Europe is part of Asia? Americium is one of the Actinide or Actinoid group of elements in the Periodic Table of Elements. Americium is found in concentrated form on earth at the sites of nuclear weapons tests and at nuclear incidents sites. Join Yahoo Answers and get 100 points today. Show more, including: Heats, Energies, Oxidation, Reactions. What is the significance of the element Americium named after America? It was the fourth transuranium element to be discovered (curium, atomic number 96, was discovered a few months previously). The chemical element americium is classed as an an actinide metal. For online linking, please copy and paste one of the following: To cite this page in an academic document, please use the following MLA compliant citation: this was very helpful. related riddles. One gram of americium dioxide provides enough active material for more than three million household smoke detectors(2). http://www.osti.gov/accomplishments/documents/full... Why do some people think New Zealand exists? Actinides are the 15 elements, all of whose isotopes are radioactive starting with actinium (atomic number 89), and extending to lawrencium (atomic number 103). Its longest lived isotopes are 243Am, with a half-life of 7370 years, 241Am with a half-life of 432.2 years and 242Am with a half-life of 141 years. I am an animal named after the animal that I eat. All the elements used after … Americium is used as a portable source of gamma rays and alpha particles for use in medicine, science and industry. Americium was named after the North American continent. Beryllium – Named for the mineral beryl, which makes it indirectly named for Belur, India. Besides Rhode Island, what is  another state that is really small . americium definition: a radioactive, metallic chemical element, one of the actinides, produced by the beta decay of an isotope of plutonium: symbol, Am; at. Americium is a particularly high alpha and gamma ray emitter. For I wag my tail when I am angry. It was produced by the beta-particle decay of plutonium-241, which had been produced in a nuclear reactor by neutron bombardment of plutonium-239. Named after America, americium is a silvery, radioactive metal. There's a nice irony that the element named after the world's richest, most consumption-oriented nation is only typically used in very small quantities. Americium occupies the spot below europium on the very last row of the periodic table, and was given its name as a result as of this association with the other element named after a continent. Actinium – Aluminum – Americium – Antimony – Argon – Arsenic – Astatine, Barium – Berkelium – Beryllium – Bismuth – Bohrium – Boron – Bromine, Cadmium – Calcium – Californium – Carbon – Cerium – Cesium – Chlorine – Chromium – Cobalt – Copernicium – Copper – Curium, Darmstadtium – Dubnium – Dysprosium – Einsteinium – Erbium – Europium, Fermium – Flerovium – Fluorine – Francium – Gadolinium – Gallium – Germanium – Gold, Hafnium – Hassium – Helium – Holmium – Hydrogen – Indium – Iodine – Iridium – Iron, Krypton – Lanthanum – Lawrencium – Lead – Lithium – Livermorium – Lutetium, Magnesium – Manganese – Meitnerium – Mendelevium – Mercury – Molybdenum – Moscovium, Neodymium – Neon – Neptunium – Nickel – Nihonium – Niobium – Nitrogen – Nobelium – Oganesson – Osmium – Oxygen, Palladium – Phosphorus – Platinum – Plutonium – Polonium – Potassium – Praseodymium – Promethium – Protactinium, Radium – Radon – Rhenium – Rhodium – Roentgenium – Rubidium – Ruthenium – Rutherfordium, Samarium – Scandium – Seaborgium – Selenium – Silicon – Silver – Sodium – Strontium – Sulfur, Tantalum – Technetium – Tellurium – Tennessine – Terbium – Thallium – Thorium – Thulium – Tin – Titanium – Tungsten, Uranium – Vanadium – Xenon – Ytterbium – Yttrium – Zinc – Zirconium, Copyright © 2020 chemicool.com in the Periodic Table, Americium falls right next to it’s twin lanthanide element europium; so thus by analogy, they named this element after another continent, America. 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When not combined with other elements, americium is a silvery metal. Still have questions? could you put what the ionization energy has to be though? Answer Save. Americium is a man-made, radioactive, actinide element with an atomic number of 95. Meaning of Americium. Image Ref.(3). For example, in Wikipedia's List of eponymous roads in London, we read that Addison Road is named after the English essayist, poet, playwright and politician Joseph Addision(1672–1719).But sometimes I hear or read named for, where it's clear from the context that the intent is the same. help. After World War II, nuclear physicists discovered they could use plutonium and uranium to create energy. What is the significance of the element Americium named after America? I forget which one I will have to ask my Mom but it was either Guiding Light or Young & the Restless. It is also used as a target material in nuclear research to make even heavier elements. The triangle in the glass tube contains the world’s first sample of americium. When a person or thing is named aftersomeone, it can also be an honor, but it doesn’t have to be. In chemistry it is placed in a group of metal elements named the actinides.Americium is a transuranic element (Transuranic means after uranium. Americium is an element with atomic number 95 and atomic symbol Am. The number is in the ‘Show More’ Data Zone near the top of the page. This member of the actinide series is located in the periodic table under the lanthanide element europium, and thus by analogy was named after the Americas. It was named after the Danish physicist Niels Bohr, who helped develop important theories of the structure of atoms in the 1930s. Where in California is San Jose located ? Americium is also used to measure the thickness of sheets of materials in factories by seeing how many particles of the alpha rays get through the whole sheet to make sure that it is level. It was produced by the beta-particle decay of plutonium-241, which had been produced in a nuclear reactor by neutron bombardment of plutonium-239. Americium-241 was first identified in 1944 by Seaborg, James and Morgan at the metallurgical laboratory at the University of Chicago. It was discovered in 1944 by Seaborg, James and Morgan.  Wet roads reduce traction but have no effect on braking distance.? Origin of Name: After America: Date and Place of Discovery: In 1944 in America: Discovered by: Glenn T. Seaborg, Ralph James, L. Morgan and Albert Ghiorso: Common Compounds: Americium dioxide (AmO 2); Interesting facts Americium is commonly used in smoke detectors. Americium's most stable isotope, americium-243, has a half-life of about 7,370 years. N uclear scientists used plutonium in the second atomic bomb used in warfare, which the United States dropped on Nagasaki, Japan, on August 9, 1945. Transuranium elements discovery and experiments. (adsbygoogle = window.adsbygoogle || []).push({}); A small disc of americium-241 under the microscope. Reveal Answer 4. It has never been found naturally, but several kilograms are produced each year. James D. Navratil, Wallace W. Schulz, Glenn T. But Americium was primarily used in nuclear tests conducted between 1945 and 1980, as well as at sites like the Chernobyl disaster. Hmmm, fun little story. Uses: In smoke detectors Obtained from: Man-made Americium (Am) is a man-made radioactive chemical element. This website uses cookies to improve your experience. As a Brit, I'm used to the phrase named after being used to say how something got its name. Morningfox. Americium is widely spread in atmosphere and soil where nuclear weapons sites, for instance, at Chernobyl disaster, desert floor in New Mexico where trinity nuclear bomb was tested and in Greenland where US bomber aircraft … Americium was the fourth synthetic transuranium element of the actinide series to be discovered. Seaborg., The Most Useful Actinide Isotope: Americium-241., Journal of Chemical Education. Americium, berkelium and livermorium were named after places that had been named for them. Americium was first produced in 1944 by the group of Glenn T. Seaborg at the University of California, Berkeley. Although it is the third element in the transuranic series, it was discovered fourth, after the heavier curium. Americium-241 radiation emissions (preceded by Pitchblend ore) displayed in a cloud chamber. Americium has no naturally occurring isotopes. (Photo credit: Berkeley Lab). Americium is available to qualified users in the UK and in the USA. Animal The signature stroll of ducks and penguins. Name origin: Americium is named after America. Thanks for your comment Caledsa. The annual Agatha Award is named forAgatha Christie and awards prizes to mystery and crime writers. Americium is a chemical element.It is a radioactive metal.It has the chemical symbol Am.It has the atomic number 95. Americium is the only synthetic element that has found a common consumer use: as the ionization source in commercial and residential smoke detectors. It tarnishes slowly in dry air at room temperature. It was named for the Americas, by analogy with Europium, which was named for Europe. So you could say, 1. The researchers at first referred to americium as “pand… Favorite Answer. Americium was the fourth synthetic transuranium element of the actinide series to be discovered. It decays into neptunium-239 through alpha decay. For example, roads, schools, libraries, hospitals, and airports are named for people—to honor them—and you would say, 1. Relevance. 9 years ago. The element was named after the United States of America. Isotope 241Am, the most common isotope, decays to 237Np, emitting alpha and gamma radiation(1). 2 Answers. It has a whitish, silvery color. The first isotope of americium (Am-241) was created in 1944 at the University of Chicago. Americium is a chemical element.It is a radioactive metal.It has the chemical symbol Am.It has the atomic number 95. It is found under the element europium in the periodical table and was named after the continent America for convenience. Why is Canada always at the bottom in any US state rankings? What are some notable towns located in Chester County, Pennsylvania ? The name americium is derived from the continent America, because americium was discovered in America. 67.1 (1990): p15-16. Curium. Americium is a silvery-white highly radioactive metal that has a density similar to lead. The α activity of 241 Am is about three times that of radium. Lv 7. Chemistry Science Elements and … Created artificially by particle bombardment of plutonium, curium is a radioactive element first produced in 1944. The chemical symbol for Americium is Am. Technically, according to Garner’s Modern English Usage, when a person or thing is named forsomeone, it’s an honor. Americium is a radioactive rare earth metal which must be handled with care to avoid contact, since it is a heavy α and γ emitter. We'll assume you're ok with this, but you can opt-out if you wish. It is chemically active and reacts with air, water and acids but not bases. Americium is harmful due to its radioactivity. Smoke detectors use americium. It turned out that its position in the periodic table was right under europium. Isotope 241Am is used (in the form of americium dioxide) in very small amounts in ‘ionization chamber’ smoke detectors. For research purposes it is produced artificially in small quantities. The cities of Berkeley, California and Livermore, California are the locations of the University of California Radiation Laboratory and Lawrence Livermore National Laboratory, respectively. The americium oxide used in smoke detectors costs around $1500 per gram - compare this with the current gold price of around $30 per gram. 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