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 յոթ­հարյուր երեսուն­ինը protons in its nucleus, and յոթ­հարյուր երեսուն­ինը electrons in its shells.