The actinide series is a group of chemical elements with atomic numbers ranging from 89 to 102, including notable elements such as uranium and plutonium. The nuclides thorium-232, uranium-235, and ura
Monazite, a rare-earth-and-thorium-phosphate mineral, is the primary source of the world's thorium
Picture illustrating David "Radioactive Boyscout" Hahn.
The Blue Marble, AS17 148 22727
Americium is a synthetic chemical element; it has symbol Am and atomic number 95. It is radioactive and a transuranic member of the actinide series in the periodic table, located under the lanthanide
Actinides in the environment
…colloidal transport processes control the migration of Cs (and thus will control the migration of Pu) in the soil at the Waste Isolation Pilot Plant. Americium often enters landfills from discarded smoke detectors. The rules for the disposal of smoke detectors are very relaxed in most municipalities. For…
A small disc of americium-241 metal under a microscope
The 60-inch cyclotron at the Lawrence Radiation Laboratory, University of California, Berkeley, in August 1939
Americium was detected in the fallout from the Ivy Mike nuclear test.
Outside and inside view of an americium-based smoke detector