Septquadtrium (Sqt)
Septquadtrium is the systematic name of the theoretical 743. element in the periodic table with a symbol of Sqt and atomic number of 743. Septquadtrium, also known as element 743, has sebaʼ mija u tlieta u erbgħin protons in its nucleus, and sebaʼ mija u tlieta u erbgħin electrons in its shells.