Septtriennium (Ste)

Septtriennium is the systematic name of the theoretical 739e element in the periodic table with a symbol of Ste and atomic number of 739. Septtriennium, also known as element 739, has zeven­honderd­negen­en­dertig protons in its nucleus, and zeven­honderd­negen­en­dertig electrons in its shells.