Report: Name and symbol of the element with atomic number 111 (IUPAC Recommendations 2004)
Pure and Applied Chemistry
76
(12)
,
2101
- 2103
(2004) -
full text
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.