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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 (Am) Element: History, Properties, Uses, Hazards - Science Info
    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 testing There are 14 isotopes of americium with mass numbers ranging from 232 to 247 that have known half-lives All isotopes are synthesized
  • Americium | Radioactive, Synthetic, Transuranic | Britannica
    americium (Am), synthetic chemical element (atomic number 95) of the actinoid series of the periodic table Unknown in nature, americium (as the isotope americium-241) was artificially produced from plutonium-239 (atomic number 94) in 1944 by American chemists Glenn T Seaborg, Ralph A James, Leon O Morgan, and Albert Ghiorso in a nuclear
  • 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 Definition, Facts, Symbol, Discovery, Properties, Uses
    What is Americium Americium (pronunciation: am-er-ISH-ee-em) is a shiny, silvery, synthetic element belonging to the actinide series and is represented by the chemical symbol Am [1, 2, 3] Since it is artificially created, it does not have any known stable isotopes [4]
  • Americium (Am) – Definition, Preparation, Properties, Uses . . . - Examples
    Americium, a synthetic element with the symbol Am and atomic number 95, is a member of the actinide series in the periodic table It exhibits fascinating chemical properties, which are essential for various applications, including smoke detectors and in neutron sources
  • Americium Facts: Element 95 or Am - ThoughtCo
    Americium is a radioactive metallic element with atomic number 95 and element symbol Am It's the only synthetic element encountered in everyday life, in minute quantities in ionization-type smoke detectors Here is a collection of interesting americium facts and data
  • PUBLIC HEALTH STATEMENT Americium - Agency for Toxic Substances and . . .
    WHAT IS AMERICIUM? Americium (pronounced, 1am-c-0ris(h)-‘-cm) is a human-made, radioactive element There are no naturally occurring or stable isotopes of americium Pure americium is a silvery metal There are two important isotopes of americium, americium 241 and americium 243, also written as 241 Am and 243
  • Americium | Elements - RSC Education
    Americium is produced by bombarding plutonium, atomic number 94, with neutrons in a nuclear reactor This forms plutonium-241 which itself undergoes radioactive decay by losing a β-particle (a nuclear electron) and forms americium-241, atomic number 95
  • Americium - Living Periodic Table
    Americium (chemical symbol Am, atomic number 95) is an element that you probably have in your home right now, even though you might not realize it Found in smoke detectors, americium is a radioactive element that helps keep you safe by detecting fires





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