Pentsepttrium (Pst)
Pentsepttrium is the systematic name of the theoretical thứ 573 element in the periodic table with a symbol of Pst and atomic number of 573. Pentsepttrium, also known as element 573, has năm trăm bảy mươi ba protons in its nucleus, and năm trăm bảy mươi ba electrons in its shells.