Octpentpentium (Opp)

Octpentpentium is the systematic name of the theoretical 855. element in the periodic table with a symbol of Opp and atomic number of 855. Octpentpentium, also known as element 855, has otte­hundrede og fem­og­halvtreds protons in its nucleus, and otte­hundrede og fem­og­halvtreds electrons in its shells.