Octpentnilium (Opn)

Octpentnilium is the systematic name of the theoretical ٨٥٠. element in the periodic table with a symbol of Opn and atomic number of 850. Octpentnilium, also known as element 850, has ثمانية مائة وخمسون protons in its nucleus, and ثمانية مائة وخمسون electrons in its shells.