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, …

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.

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 slowly in …

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, which are …

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 237 Np, …

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.

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.

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 …

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].