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