Abstract
You win some, you lose some. Seaborgium is now in, but hahnium is out. That's the latest, but not the last, word from the International Union of Pure & Applied Chemistry (IUPAC), which last week released a revised list of proposed names for some of the heaviest known elements. The organization is still trying to work out a compromise between its original slate of proposed names and one put forth by the American Chemical Society. In 1995, IUPAC, faced with these two competing slates plus a compromise slate, invited suggestions and comments from the chemistry community worldwide (C&EN, Aug. 21, 1995, page 4). After considering those suggestions, IUPAC's Commission on Nomenclature of Inorganic Chemistry (CMC) has put together a revised slate that differs considerably from the controversial one it initially proposed in August 1994. CNIC's revised list bows to the ACS slate by labeling element 104 rutherfordium, 106 seaborgium, and 108 hassium. But 105, for ...
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