Octseptoctium (Oso)

Octseptoctium is the systematic name of the theoretical ke-878 element in the periodic table with a symbol of Oso and atomic number of 878. Octseptoctium, also known as element 878, has delapan ratus tujuh puluh delapan protons in its nucleus, and delapan ratus tujuh puluh delapan electrons in its shells.