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 எழுநூறு முப்பது ஒன்பது protons in its nucleus, and எழுநூறு முப்பது ஒன்பது electrons in its shells.