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 siwen­honnert­dräianfofzeg protons in its nucleus, and siwen­honnert­dräianfofzeg electrons in its shells.