seaborgium


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seaborgium

(sē-bōr'gē-ŭm),
An artificial transplutonium element; atomic number 106; atomic weight 263. [Formerly called Unnilhexium, Unh 263.]
[Glenn T. Seaborg, U.S. chemist and Nobel laureate, 1912-1999]

seaborgium (Sg)

[sēbôr′gē·əm]
Etymology: Glenn T. Seaborg, American chemist and educator, 1912-1999
a synthetic radioactive element, with a half-life of 0.9 second. Its atomic number is 106; its atomic mass is 266. It was first synthesized in 1974 by scientists working independently in the United States and Russia.
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References in periodicals archive ?
These first experiments on seaborgium are designed to reveal its gross chemical properties, he notes.
A thousand years from now, seaborgium will still be in the periodic table, whereas the 20th-century Nobel Prize-winners will seem a very small part of history," said Seaborg, who also serves as chairman of the board of trustees of Science Service.
SEABORGIUM gibboso-subramose (OED gibboso-), Serimabougou Mali 13[degrees]19, -5[degrees]54