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 fem­hundrede og tre­og­halvfjerds protons in its nucleus, and fem­hundrede og tre­og­halvfjerds electrons in its shells.