Septtriennium (Ste)

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