Octpentoctium (Opo)

Octpentoctium is the systematic name of the theoretical 858ste element in the periodic table with a symbol of Opo and atomic number of 858. Octpentoctium, also known as element 858, has agthonderd agt-en-vyftig protons in its nucleus, and agthonderd agt-en-vyftig electrons in its shells.