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 ութ­հարյուր տասն­հինգ protons in its nucleus, and ութ­հարյուր տասն­հինգ electrons in its shells.