curium
Noun
Meaning
a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei
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A curium compound is then selectively extracted using multi-step chromatographic and centrifugation techniques with an appropriate reagent.
At the same time, they also attempted to synthesize element 103 by bombarding the same curium target used with nitrogen -14 ions.
As in most transuranic elements, the nuclear fission cross section is especially high for the odd-mass curium isotopes 243 Cm, 245 Cm and 247 Cm.
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.
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.
His patent on curium never proved commercially viable because of the element's short half-life, but americium is commonly used in household smoke detectors and thus provided a good source of royalty income to Seaborg in later years.