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