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