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 penki šimtai septyniasdešimt trys protons in its nucleus, and penki šimtai septyniasdešimt trys electrons in its shells.