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Pure Appl. Chem., 2004, Vol. 76, No. 12, pp. 2101-2103


Name and symbol of the element with atomic number 111 (IUPAC Recommendations 2004)

J. Corish* and G. M. Rosenblatt

Abstract: A joint IUPAC-IUPAP Working Party (JWP) confirmed the discovery of element number 111. In accord with IUPAC procedures, the discoverers proposed a name and symbol for the element. The Inorganic Chemistry Division recommended this proposal for acceptance, and it was adopted by IUPAC on 1 November 2004. The recommended name is roentgenium with symbol Rg.