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Pronunciation: am′ĕ-ris′ē-ŭm

Definition: An element obtained by the bombardment of uranium with neutrons or β decay of plutoniums 241, 242, and 243; atomic no. 95; atomic weight 243.06. 241Am (half-life of 432.2 years) has been used in the diagnosis of bone disorders. 243Am has a half-life of 7370 years.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.