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 …

americium (Am), synthetic chemical element (atomic number 95) of the actinoid series of the 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 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 …

Feb 18, 2024 · Americium from atmospheric nuclear weapons testing may stay in the atmosphere for decades, traveling all over the planet and gradually settling to Earth. Its isotopes degrade …

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.

Nov 17, 2025 · 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 …

Nov 15, 2025 · Americium is a man-made radioactive element with unique chemical and physical traits that make it valuable in scientific research and industrial applications.

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, …

Americium is found in concentrated form on earth at the sites of nuclear weapons tests and at nuclear incidents sites. For research purposes it is produced artificially in small quantities.