Septquadbium (Sqb)
Septquadbium is the systematic name of the theoretical 742. element in the periodic table with a symbol of Sqb and atomic number of 742. Septquadbium, also known as element 742, has sebaʼ mija u tnejn u erbgħin protons in its nucleus, and sebaʼ mija u tnejn u erbgħin electrons in its shells.