Pentoctseptium (Pos)

Pentoctseptium is the systematic name of the theoretical ۵۸۷. element in the periodic table with a symbol of Pos and atomic number of 587. Pentoctseptium, also known as element 587, has پانصد و هشتاد و هفت protons in its nucleus, and پانصد و هشتاد و هفت electrons in its shells.