Unoctoctium is the systematic name of the theoretical ที่ 188 element in the periodic table with a symbol of Uoo and atomic number of 188. Unoctoctium, also known as element 188, has หนึ่งร้อยแปดสิบแปด protons in its nucleus, and หนึ่งร้อยแปดสิบแปด electrons in its shells.