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106Sg269 u

Seaborgium

transition metal
Atomic Number
106
Atomic Mass
269 u
Period
7
Group
6

Quick Facts

PropertyValue
SymbolSg
Atomic Number106
Atomic Mass[269] u
CategoryTransition Metal
Period7
Group6
Blockd
Electron Configuration[Rn] 5f¹⁴ 6d⁴ 7s²

History and Discovery

Discovered by: Albert Ghiorso and colleagues Year of Discovery: 1974 Location: Berkeley, California, USA

Etymology

Named after Glenn T. Seaborg, who co-discovered 10 transuranium elements.

Interesting Facts

  1. Named after Glenn Seaborg while he was still alive
  2. First element named after a living person (controversy ensued)
  3. Seaborg co-discovered 10 elements
  4. Predicted to resemble tungsten chemically
  5. Longest-lived isotope has about 2.4-minute half-life