Octennseptium (Oes)

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