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seaborgium
[ see-bawr-gee-uhm, see-bawr- ]
noun
, Chemistry, Physics.
- a superheavy, synthetic, radioactive element with a very short half-life. : Sg; : 106.
seaborgium
/ ˈsiːbɔːɡɪəm /
noun
- a synthetic transuranic element, synthesized and identified in 1974. Symbol: Sg; atomic no: 106
seaborgium
/ sē-bôr′gē-əm /
- A synthetic, radioactive element that is produced by bombarding californium with oxygen ions or bombarding lead with chromium ions. Its most long-lived isotopes have mass numbers 259, 261, 263, 265, and 266 with half-lives of 0.9, 0.23, 0.8, 16, and 20 seconds, respectively. Atomic number 106.
- See Periodic Table
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Word History and Origins
Origin of seaborgium1
First recorded in 1965–70; officially assigned to element 106 in 1997; named after U.S. chemist Glenn T. Seaborg; -ium ( def )
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Word History and Origins
Origin of seaborgium1
C20: named after Glenn Seaborg
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