Pentsepttrium (Pst)

Pentsepttrium is the systematic name of the theoretical 573. element in the periodic table with a symbol of Pst and atomic number of 573. Pentsepttrium, also known as element 573, has fimm­hundrað­og­sjeyti­tríggir protons in its nucleus, and fimm­hundrað­og­sjeyti­tríggir electrons in its shells.