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