Septpenttrium (Spt)

Septpenttrium is the systematic name of the theoretical 753e element in the periodic table with a symbol of Spt and atomic number of 753. Septpenttrium, also known as element 753, has zeven­honderd­drie­ën­vijftig protons in its nucleus, and zeven­honderd­drie­ën­vijftig electrons in its shells.