Pentsepttrium (Pst)

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