1) Chemical element 2) Element 106 3) Element discovered in 1974 4) Element number 106 5) Element with the symbol Sg 6) Synthetic element 1) Sg 
an artificially produced radioactive element in Group VIb of the periodic table, atomic number 106. In June 1974, Georgy N. Flerov of the Joint ... [1 related articles]
Type: Term Pronunciation: sē-bōr′gē-ŭm Definitions: 1. An artificial transplutonium element; atomic number 106; atomic weight 263. [Formerly called Unnilhexium, Unh 263.]
Sg noun a transuranic element
Synthesized radioactive element of the transactinide series, atomic number 106, relative atomic mass 263. It was first synthesized in 1974 in the USA and given the temporary name unnilhexium. The discovery was not confirmed until 1993. It was officially named in 1997 after US nuclear chemist Glenn Seaborg. The University of California, Berkeley, bo...