Americium is the chemical element with atomic number 95 and symbol . It is a actinide. It has no stable isotopes. Americium-241 is an alpha emitter used in some ionization smoke detectors, where the radiation maintains a small electrical current that smoke particles disturb.[ref]
Americium is a synthetic chemical element with the symbol Am and atomic number 95. It is part of the actinide series on the periodic table and is produced through the neutron bombardment of plutonium. Discovered in 1944 by scientists Glenn T. Seaborg, Ralph A. James, and Albert Ghiorso at the University of California, Berkeley, americium is named after the Americas.
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