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 osem­sto päťdesiat­šesť protons in its nucleus, and osem­sto päťdesiat­šesť electrons in its shells.