Hexoctoctium (Hoo)
Hexoctoctium is the systematic name of the theoretical ที่ 688 element in the periodic table with a symbol of Hoo and atomic number of 688. Hexoctoctium, also known as element 688, has หกร้อยแปดสิบแปด protons in its nucleus, and หกร้อยแปดสิบแปด electrons in its shells.