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