Octpenthexium (Oph)

Octpenthexium is the systematic name of the theoretical 856. element in the periodic table with a symbol of Oph and atomic number of 856. Octpenthexium, also known as element 856, has otte­hundrede og seks­og­halvtreds protons in its nucleus, and otte­hundrede og seks­og­halvtreds electrons in its shells.