Septtrinilium (Stn)

Septtrinilium is the systematic name of the theoretical 730. element in the periodic table with a symbol of Stn and atomic number of 730. Septtrinilium, also known as element 730, has յոթ­հարյուր երեսուն protons in its nucleus, and յոթ­հարյուր երեսուն electrons in its shells.