Hexoctennium (Hoe)

Hexoctennium is the systematic name of the theoretical thứ 689 element in the periodic table with a symbol of Hoe and atomic number of 689. Hexoctennium, also known as element 689, has sáu trăm tám mươi chín protons in its nucleus, and sáu trăm tám mươi chín electrons in its shells.