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 חמש מאות שמונים ושבע protons in its nucleus, and חמש מאות שמונים ושבע electrons in its shells.