Pentpentseptium (Pps)

Pentpentseptium is the systematic name of the theoretical ที่ 557 element in the periodic table with a symbol of Pps and atomic number of 557. Pentpentseptium, also known as element 557, has ห้า​ร้อย​ห้า​สิบ​เจ็ด protons in its nucleus, and ห้า​ร้อย​ห้า​สิบ​เจ็ด electrons in its shells.