Seaborgium Pins and Buttons
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Description: A first-rate Seaborgium design. Seaborgium is a chemical element with symbol Sg and atomic number 106. It is named after the American nuclear chemist Glenn T. Seaborg. It is one of only two elements named after a living person at the time of naming, the other being oganesson. Brought to you by Periodic-Tees.com