Octennseptium (Oes)

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