Septtriennium (Ste)

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