Penthextrium (Pht)

Penthextrium is the systematic name of the theoretical 563. element in the periodic table with a symbol of Pht and atomic number of 563. Penthextrium, also known as element 563, has πεντακόσια εξήντα τρία protons in its nucleus, and πεντακόσια εξήντα τρία electrons in its shells.