Octquadtrium (Oqt)
Octquadtrium is the systematic name of the theoretical ที่ 843 element in the periodic table with a symbol of Oqt and atomic number of 843. Octquadtrium, also known as element 843, has แปดร้อยสี่สิบสาม protons in its nucleus, and แปดร้อยสี่สิบสาม electrons in its shells.