Octunpentium (Oup)

Octunpentium is the systematic name of the theoretical 815. element in the periodic table with a symbol of Oup and atomic number of 815. Octunpentium, also known as element 815, has שמונה מאות וחמש עשרה protons in its nucleus, and שמונה מאות וחמש עשרה electrons in its shells.