Octennseptium (Oes)

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