Penthextrium (Pht)

Penthextrium is the systematic name of the theoretical ที่ 563 element in the periodic table with a symbol of Pht and atomic number of 563. Penthextrium, also known as element 563, has ห้า​ร้อย​หก​สิบ​สาม protons in its nucleus, and ห้า​ร้อย​หก​สิบ​สาม electrons in its shells.