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 แจแแแแแกยญแแ แแแชแแยญแชแแแแขแ protons in its nucleus, and แจแแแแแกยญแแ แแแชแแยญแชแแแแขแ electrons in its shells.