Pentoctseptium (Pos)

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