Seaborgium

Seaborgium (symbol Sg) is a chemical element, atomic number 106 on the periodic table.

Characteristics and history
Seaborgium, in its most stable form, has an atomic mass of 263. Seaborgium was discovered by Humans on Earth for the first time by scientists working in Russia in the year 1974. This element is part of the trans-uranic fissionable series of heavy elements. 


 * The element went unnamed in the source, but the name "seaborgium" was later applied in real-life science.