Octpentpentium (Opp)

Octpentpentium is the systematic name of the theoretical 855. element in the periodic table with a symbol of Opp and atomic number of 855. Octpentpentium, also known as element 855, has osem­sto päťdesiat­päť protons in its nucleus, and osem­sto päťdesiat­päť electrons in its shells.