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