Octseptoctium (Oso)

Octseptoctium is the systematic name of the theoretical 878. element in the periodic table with a symbol of Oso and atomic number of 878. Octseptoctium, also known as element 878, has aštuoni šimtai septyniasdešimt aštuoni protons in its nucleus, and aštuoni šimtai septyniasdešimt aštuoni electrons in its shells.