Pentseptoctium (Pso)

Pentseptoctium is the systematic name of the theoretical ที่ 578 element in the periodic table with a symbol of Pso and atomic number of 578. Pentseptoctium, also known as element 578, has ห้า​ร้อย​เจ็ด​สิบ​แปด protons in its nucleus, and ห้า​ร้อย​เจ็ด​สิบ​แปด electrons in its shells.