106Sg

Seaborgium

Transition Metal

Seaborgium (Sg) is element 106, a transition metal, in period 7 and group 6 of the periodic table. Its atomic mass is usually given as 269. Discovered by Lawrence Berkeley Lab, 1974.

Atomic Number106

SymbolSg

NameSeaborgium

Atomic Weight269 u

CategoryTransition Metal

Period7

Group6

Electron Config[Rn] 5f14 6d4 7s2

Discovered ByLawrence Berkeley Lab, 1974

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