Septseptoctium (Sso)

Septseptoctium is the systematic name of the theoretical 778:e element in the periodic table with a symbol of Sso and atomic number of 778. Septseptoctium, also known as element 778, has sju­hundra­sjuttio­åtta protons in its nucleus, and sju­hundra­sjuttio­åtta electrons in its shells.