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