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americium    
n. 镅



americium
n 1: a radioactive transuranic metallic element; discovered by
bombarding uranium with helium atoms [synonym: {americium},
{Am}, {atomic number 95}]



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  • Americium - Wikipedia
    Americium is a relatively soft radioactive metal with a silvery appearance Its most common isotopes are 241 Am and 243 Am In chemical compounds, americium usually assumes the oxidation state +3, especially in solutions
  • Americium - Element information, properties and uses | Periodic Table
    Element Americium (Am), Group 20, Atomic Number 95, f-block, Mass [243] Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • Americium: Element Properties and Uses - samaterials. com
    Americium is a man-made radioactive element with unique chemical and physical traits that make it valuable in scientific research and industrial applications
  • Americium (Am) Element: History, Properties, Uses, Hazards
    Although americium has no natural sources, it was most likely present at some point in the past when uranium concentrations in the area were sufficient to cause nuclear reactions Americium is a synthetic element formed from other elements such as plutonium It is frequently produced as a byproduct in nuclear power plants and nuclear weapons
  • Americium | Radioactive, Synthetic, Transuranic | Britannica
    americium (Am), synthetic chemical element (atomic number 95) of the actinoid series of the periodic table
  • United States of Americium | Los Alamos National Laboratory
    Learn about the history and properties of americium, and how LANL became the only distributor of americium-241 in the United States
  • Periodic Table of Elements: Los Alamos National Laboratory
    Americium was made by Glenn Seaborg, Ralph James, Leon Morgan, and Albert Ghiorso late in 1944 at the wartime metallurgical laboratory at the University of Chicago It was made as the result of successive neutron capture reactions by plutonium isotopes in a nuclear reactor
  • Americium-241 - Wikipedia
    Like all isotopes of americium, it is radioactive, with a half-life of 432 6 years 241 Am is the most common isotope of americium as well as the most prevalent americium isotope in radioactive waste
  • Americium, what you need to know | Orano
    Americium is an artificial chemical element with the symbol Am and atomic number 95 It is a minor actinide produced in small quantities by fission reactions in nuclear reactors
  • Americium | Public Health Statement | ATSDR
    What is americium? Americium (pronounced, am-ə'ris (h)-ē-əm) is a human-made, radioactive element There are no naturally occurring or stable isotopes of americium Pure americium is a silvery metal





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