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 fünf­hundert­sieben­und­achtzig protons in its nucleus, and fünf­hundert­sieben­und­achtzig electrons in its shells.