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 átta­hundrað­og­sjeyti­átta protons in its nucleus, and átta­hundrað­og­sjeyti­átta electrons in its shells.