Pentseptunium (Psu)
Pentseptunium is the systematic name of the theoretical ที่ 571 element in the periodic table with a symbol of Psu and atomic number of 571. Pentseptunium, also known as element 571, has ห้าร้อยเจ็ดสิบเอ็ด protons in its nucleus, and ห้าร้อยเจ็ดสิบเอ็ด electrons in its shells.