Septseptnilium (Ssn)

Septseptnilium is the systematic name of the theoretical 770. element in the periodic table with a symbol of Ssn and atomic number of 770. Septseptnilium, also known as element 770, has seitsemän­sataa­seitsemän­kymmentä protons in its nucleus, and seitsemän­sataa­seitsemän­kymmentä electrons in its shells.