Septtrioctium (Sto)

Septtrioctium is the systematic name of the theoretical 738ú element in the periodic table with a symbol of Sto and atomic number of 738. Septtrioctium, also known as element 738, has seacht gcéad tríocha a hocht protons in its nucleus, and seacht gcéad tríocha a hocht electrons in its shells.