Atomic Mass : 243
Atomic Number : 95
Name Origins : Named after the American Continent
Year Discovered : 1944
Discovery Credits : Discovered by G. T. Seaborg, R. A. James, I. O. Morgan, and A. Ghiorso at Chicago, IL., USA.
More Details
a silvery metal; it is a man-made
element whose
isotopes Am-237 through Am-246 are all radioactive. Am-241 is formed spontaneously by the
beta decay of plutonium-241. Trace quantities of americium are widely used in smoke detectors, and as neutron sources in neutron moisture gauges.