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