Octpenthexium (Oph)

Octpenthexium is the systematic name of the theoretical 856-и element in the periodic table with a symbol of Oph and atomic number of 856. Octpenthexium, also known as element 856, has осемстотин петдесет и шест protons in its nucleus, and осемстотин петдесет и шест electrons in its shells.