Septseptnilium (Ssn)

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