Septtrioctium (Sto)

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