Septseptseptium (Sss)

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