Septpenttrium (Spt)

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