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  1. 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 …

  2. Americium | Radioactive, Synthetic, Transuranic | Britannica

    americium (Am), synthetic chemical element (atomic number 95) of the actinoid series of the periodic table.

  3. Americium - Element information, properties and uses | Periodic …

    Element Americium (Am), Group 20, Atomic Number 95, f-block, Mass [243]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  4. United States of Americium | Los Alamos National Laboratory

    Nov 1, 2023 · Learn about the history and properties of americium, and how LANL became the only distributor of americium-241 in the United States.

  5. 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 …

  6. Americium Element Facts - chemicool.com

    Americium is a silvery-white highly radioactive metal that has a density similar to lead. It tarnishes slowly in dry air at room temperature. Isotope 241 Am, the most common isotope, decays to …

  7. Americium (Am) - Definition, Preparation, Properties, Uses, …

    Jan 21, 2025 · 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, …

  8. Americium: The Radioactive Element in Smoke Detectors and …

    Explore the world of Americium, a synthetic, radioactive element primarily used in smoke detectors and as a neutron source. Discover its history, physical and chemical properties, …

  9. WebElements Periodic Table » Americium » the essentials

    Americium appears to be more malleable than uranium or neptunium and americium tarnishes slowly in dry air at room temperature. Americium is a radioactive rare earth metal which must …

  10. Americium - Periodic Table

    Americium was first isolated as a pure compound by Burris Cunningham in 1945, at the University of Chicago. Americium is used in commercial ionization chamber smoke detectors, as well as …