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 acht­hundert­sieben­und­neunzig protons in its nucleus, and acht­hundert­sieben­und­neunzig electrons in its shells.