Septtripentium (Stp)
Septtripentium is the systematic name of the theoretical 735-и element in the periodic table with a symbol of Stp and atomic number of 735. Septtripentium, also known as element 735, has седемстотин трийсет и пет protons in its nucleus, and седемстотин трийсет и пет electrons in its shells.