americium americium

Definition(s):

  • (n) a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms

Synonym(s)

Usage(s):

  1. Curium can be made by bombarding plutonium with alpha particles, or americium with neutrons.
  2. By bombarding americium with alpha particles, they had produced another new element, with 97 electrons.
  3. Even americium, a doubly transmuted element created by neutron bombardment of man-made plutonium, may be useful as an X-ray source.

News

  1. Ununpentium, New Synthetic Element Confirmed By Swedish Scientists

    Researchers at Lund University in Sweden have confirmed the existence of a new, synthetic element, seven years after it was discovered by Russian and American scientists. Although it doesn't have a proper name yet, Ununpentium, so called after its place––115th––in the periodic table is a superheavy element that is actually the by–product of bombarding another element, americium, with calcium ...
    on August 28, 2013     Source: Fast Company Magazine

  2. Scientists confirm new element

    As though it wasn't hard enough to memorize the names and atomic weights of 117 elements in the periodic table, scientists have now confirmed a new one. Researchers from Lund University in Sweden created it by slamming atoms of one element, calcium, into atoms of another called americium. The newly formed element vanished quickly in a flash of radiation that scientists could measure. That flash ...
    on August 28, 2013     Source: KSAT San Antonio

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