Octennseptium (Oes)

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