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