Septseptseptium (Sss)

Septseptseptium is the systematic name of the theoretical 777번째 element in the periodic table with a symbol of Sss and atomic number of 777. Septseptseptium, also known as element 777, has 칠백칠십칠 protons in its nucleus, and 칠백칠십칠 electrons in its shells.