Hexpentnilium (Hpn)

Hexpentnilium is the systematic name of the theoretical thứ 650 element in the periodic table with a symbol of Hpn and atomic number of 650. Hexpentnilium, also known as element 650, has sáu trăm năm mươi protons in its nucleus, and sáu trăm năm mươi electrons in its shells.