Noun
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
Source: WordNetA large amount of work has been done on the solvent extraction of americium. Source: Internet
Although most americium isotopes predominantly emit alpha particles which can be blocked by thin layers of common materials, many of the daughter products emit gamma-rays and neutrons which have a long penetration depth. Source: Internet
Atomic radii main Atomic number plotted against atomic radius The noble gases, astatine, francium, and all elements heavier than americium were left out as there is no data for them. Source: Internet
First, americium ( 241 Am) nitrate solution was coated on a platinum foil, the solution was evaporated and the residue converted by annealing to americium dioxide (AmO 2 ). Source: Internet
Both Am and Cm are mostly present in solutions in the +3 valence state; whereas curium remains unchanged, americium oxidizes to soluble Am(IV) complexes which can be washed away. Source: Internet
Both americium and curium are present in solutions mostly in the +3 valence state; whereas americium oxidizes to soluble Am(IV) complexes, curium remains unchanged and can thus be isolated by repeated centrifugation. Source: Internet