Octpentseptium (Ops)

Octpentseptium is the systematic name of the theoretical 857. element in the periodic table with a symbol of Ops and atomic number of 857. Octpentseptium, also known as element 857, has átta­hundrað­og­fimmti­sjey protons in its nucleus, and átta­hundrað­og­fimmti­sjey electrons in its shells.