Octennseptium (Oes)

Octennseptium is the systematic name of the theoretical 897. element in the periodic table with a symbol of Oes and atomic number of 897. Octennseptium, also known as element 897, has átta­hundrað­og­níti­sjey protons in its nucleus, and átta­hundrað­og­níti­sjey electrons in its shells.