Septtriseptium (Sts)
Septtriseptium is the systematic name of the theoretical 737. element in the periodic table with a symbol of Sts and atomic number of 737. Septtriseptium, also known as element 737, has septyni šimtai trisdešimt septyni protons in its nucleus, and septyni šimtai trisdešimt septyni electrons in its shells.