sg
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Sg,
symbol for the element seaborgiumseaborgium, artificially produced radioactive chemical element; symbol Sg; at. no. 106; mass number of most stable isotope 271; m.p., b.p., sp. gr., and valence unknown. Situated in Group 6 of the periodic table, it is expected to have properties similar to those of tungsten.
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sg
(networking)The country code for Singapore.